It would be easier to stand at the centre of a rotating merry-go-round than of half-way to the centre or the edge of the merry go round.
Since the merry-go-round is spinning. Hence, it is in rotational motion. The larger the circle one moves in, the greater the centripetal force he experiences.
Any object which is moving in a circle or a circular path experiences centripetal force. There is some kind of physical force pushing or pulling the object towards the centre of the circle.
Centripetal force is refer as any force which causes a change in direction of velocity toward the centre of the circular motion. The centripetal force results due to the component of the force which is perpendicular to the velocity.
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what is the relationship between mass and inertia
Answer:A heavier body has more inertia than a lighter body. So, “ the larger the mass, the larger is inertia, and the smaller the mass, the smaller is the inertia”
Explanation:
We can say that “ the mass of a body is a measure of its inertia ”.
Fill in the missing for each of the statements below:
Whether the energy is transferred or transformed, the total amount of energy doesn't change, and this is known as the law of conservation of Energy.
What is law of conservation of Energy.?the law of conservation of energy states that the amount of energy is neither created nor destroyed. For example, when you roll a toy car down a ramp and it hits a wall, the energy is transferred from kinetic energy to potential energy.he laws of conservation of energy, momentum, and angular momentum are all derived from classical mechanics. Nevertheless, all remain true in quantum mechanics and relativistic mechanics, which have replaced classical mechanics as the most fundamental of all laws.This law, first proposed and tested by Émilie du Châtelet, means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another. For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes.
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What part of gaia is used to determine the angular positions of stars to better measure their distances and motions?.
Astrometry instrument GAIA is used to determine the angular position of stars to measure the distances and motions.
GAIA stands for Global Astrometric Interferometer For Astrophysics. A spacecrafts remains in motion while scanning the space, and measuring the position, distance, and motion with precision. Angular position of a star of planet or any other space object is the orientation of its position with respect to a specific line. Angular motion describes how far the star is rotated relative to the reference line. Astrometry instrument is the set of high-resolution cameras, EDM, angular measurement devices, that collect the data by scanning and give the output of the exact position of the star.
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which two conclusions can be drawn by the deflection of the beam when passed between the electrically charged plates?
Cathode rays have a straight line of passage and produce distinct shadows. Cathode rays, in contrast to light, are drawn to a positively charged plate. The conclusion that cathode rays are negatively charged resulted from this.
Conclusions can be drawn by the deflection of the beam when passed between the electrically charged platesThe cathode ray is an electron beam that emerges in a vacuum from the negatively charged electrode (cathode).They are electrically charged negatively.They are drawn to the positive charge because they are negatively charged.They have particle-like characteristics.They move perpendicular to the cathode surface in a straight line.They ionise the gas as they pass through it.We can therefore infer from this that the cathode rays are being diverted towards the positive plate since the ray's particle's charge is negative.
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helppppp
In a car accident, the driver of the car is often stopped by either the steering wheel or the airbag. Imagine a 60 kg driver is moving at 20 m/s. If they hit the steering wheel, they come to a stop in 0.03 s. If they hit the airbag, they come to a stop in 0.12 s.
Explain why it is safer to hit the airbag. Discuss the relationship between the force the driver feels, the time of impact, and their change of momentum.
It is safer to hit the airbag because it provides a longer period of time for the driver to come to a stop, which results in a lower force felt by the driver.
Explain why it is safer to hit the airbag:Additionally, airbags are designed to absorb and distribute the force of impact more evenly over a larger area of the driver's body, reducing the risk of injury.In a car accident, the driver's body continues to move forward with the initial velocity of the car until it is stopped by an external force, such as the steering wheel or airbag. The time it takes for the driver to come to a stop and the force they feel during the stopping process are important factors in determining the severity of injury.In the scenario described, the driver who hits the steering wheel will come to a stop in 0.03 seconds. Because the stopping time is so short, the force experienced by the driver will be much higher than if they hit the airbag, which stops them in 0.12 seconds. The force experienced by the driver can be calculated using the equation: force = change in momentum / time. Since the mass of the driver is known (60 kg) and the change in velocity is 20 m/s, we can calculate the force as:force = (60 kg) x (20 m/s) / (0.03 s) = 40,000 N
In contrast, the driver who hits the airbag will experience a lower force because the stopping time is longer. Using the same equation, we can calculate the force as:
force = (60 kg) x (20 m/s) / (0.12 s) = 10,000 N
As we can see, the force experienced by the driver who hits the airbag is significantly lower than the force experienced by the driver who hits the steering wheel. This is why hitting the airbag is safer, as it results in a lower force and therefore a lower risk of injury.To learn more about car accident refer to:
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Microwaves are very efficient at heating water
Microwaves are very efficient at heating water the reason is The microwave's heat waves are focused on the liquid (or food), not on heating the air or container around it.
How can water be heated most effectively?Due to their high efficiencies and significant cost savings, heat pump water heaters transfer heat from one location to another instead of producing heat directly to supply hot water. Solar water heaters provide hot water by utilising the sun's heat while also reducing energy costs.
However, a microwave would typically be a little more effective at heating water than a gas stove's flame and should consume a little less energy. The cause is that the heat waves from the microwave are directed at the liquid (or food), not at the air or container it is in.
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A proton is released from rest in a uniform electric field. Determine whether the following quantities increase, decrease, or remain unchanged as the proton moves. HINT (a) the electric potential at the proton's location increases decreases remains unchanged (b) the proton's associated electric potential energy increases decreases remains unchanged (c) its kinetic energy increases decreases remains unchanged (d) its total energy increases decreases remains unchanged
When a proton is released from rest in a uniform electric field, following changes take place.
What exactly is an even electric field?An electric field that has a constant field strength value throughout is said to be uniform. An electric field is said to be uniform if it exists throughout a particular space with the same strength and direction.
(a) decrease
The proton will follow the electric field's direction of motion. Electric fields have a potential range from high to low.
(b) D
PE = -qE (change in x) (change in x)
Location is negatively impacted by an increase in location, which results in a decrease in potential energy. Potential energy is something that protons seek to get rid of and convert to kinetic energy.
(c) I
Given that potential energy is falling, kinetic energy will rise.
(d) U
Since energy is conserved, the overall amount will not change.
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Explain why the host thinks the theory of evolution should be called “the theory of the fact of evolution.”
The host may think that the theory of evolution should be called "the theory of the fact of evolution" because they believe that evolution is a scientific fact that has been proven through a wealth of evidence.
What is the evolution theory about?They might argue that the theory of evolution is supported by overwhelming evidence from many different fields of science, such as paleontology, biology, genetics, and anthropology, and that it is widely accepted by the scientific community.
Therefore, they believe that calling it a "theory" implies that it is still speculative or unproven when it is, in fact, a well-established scientific fact.
It's important to note that in science, "theory" does not mean something is uncertain or unproven, but rather it is a well-substantiated explanation of some aspect of the natural world that is acquired through scientific method and repeatedly tested and confirmed through observation and experimentation.
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Explainer: - The Conversationp-Explain why the host thinks the theory of evolution should be called “the theory of the fact of evolution.”
suppose an object starts out electrically neutral. through some process, 11 electrons are removed from the object. what is the electric charge of the object afterward?
If 11 electrons are removed from the electrically neutral object, the electric charge of the object afterwards has the same net charge as the 11 protons.
Given that,
11 electrons are removed from the electrically neutral object
By taking out one or more electrons, neutral atoms can be transformed into positively charged ions. For instance, a neutral sodium atom has 11 protons and 11 electrons. This atom's electron is removed, resulting in a positively charged Na+ ion with a net charge of +1.
An electrically neutral object contains the same number of protons and electrons. As a result, if 11 electrons are taken out of the object, there will be 11 more protons than there are electrons.
Thus, the object has the same net charge as 11 protons.
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What is the gravitational fields strength for a planet that has a mass of 1.9 x 10(27)kg and a radius
of 7 x 10(6)meters? Can you guess the name of this planet? What is the escape velocity?
Weight divided by mass equals the gravitational field's strength. On Earth, there is a 10 N/kg gravitational field. The gravitational fields of other planets are stronger or weaker. The Moon has a 1.6 N/kg gravitational field.
How do you calculate gravitational field strength of a planet?This is a technique for calculating the gravity. Weight divided by mass equals the gravitational field's strength.Weight/mass unit is equal to the gravitational field strength in N/kg.Weight is equal to mass times the gravitational field strength, which is measured in N.On Earth, there is a 10 N/kg gravitational field. The gravitational fields of other planets are stronger or weaker. The Moon has a 1.6 N/kg gravitational field. Perhaps you've seen movies of moon jumps by astronauts.I am dragged back to the ground by gravity if I jump here on Earth. How much am I? My weight is 800N when we multiply my mass, which is 80 kg, by the gravitational field strength (10 N/kg). My mass will remain 80 kg even if I travel to the moon.The gravitational field strength of the moon is 1.6 N/kg, thus we multiply that by that value. That indicates that I am 128N heavier than the moon. The weights of the Earth and the Moon are therefore different. As a result of their reduced weight, astronauts can leap higher into the air on the moon.With a gravitational field strength of 25 N/kg, Jupiter is an extremely big planet. I weight 80 kg. I would weigh 25 x 80, or 2,000 N, if I traveled to Jupiter. That would prevent me from standing up straight or getting up off the ground! The majority of the time I would likely be lying down there. Accordingly, your weight differs depending on the planet you are on.To Learn more About gravitational field refer To:
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what is the net electric force on the charge located at the lower right-hand corner of the triangle shown here?
The net electric force on the charge located at the lower right-hand corner of the triangle will be given by F[tex]_r[/tex] = √3 × q²/(4 × π × ∈0 × a²).
What is net electrostatic force?The net electrostatic force is the force that results when any two charges or particles repel one another when the electric force vectors of the two charges are added up.
The idea of electrostatic force is put into action by the attractive or repulsive force that exists between any two charged bodies when there are electric charges present.
Electrostatic force is given by
F = k × Q1 × Q2/R^2
here, Q1 & Q2 = charges
R = distance between charges
force between q and q
F1 = k × q × q/a^2 = F (Let)
force between q and '-2q'
F2 = k × q × 2 × q/a^2 = 2 × F (towards '-2q' charge)
From figure angle between F1 & F2 = A = 120 deg
So, resultant force will be
Fr = √(F1^2 + F2^2 + 2 × F1 × F2 × cosA)
Fr = √(F^2 + (2 × F)^2 + 2 × F × 2 × F × cos(120 deg))
Fr = √(5 × F^2 - 2 × F^2)
Fr = F × √(3)
So, Fr = (k × q × q/a^2) × √(3)
Since k = 1/(4 × π × ∈ 0)
F[tex]_r[/tex] = √3 × q²/(4 × π × ∈0 × a²)
Thus, The net electric force on the charge located at the lower right-hand corner of the triangle will be given by F[tex]_r[/tex] = √3 × q²/(4 × π × ∈0 × a²).
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if i connect grid tie system without solar meter installed, will the meter read and charge for power going backward through meter?
No, that's not the solution to this query. Instead, your electricity bill will be greater.
Whether you are importing or exporting power is irrelevant to the measurements made by a standard electricity metre, which just monitors the quantity of power flow through it. Therefore, the excess energy that your solar power system produces will be charged to your electricity account.
The plant owner can restrict the plant's ability to generate power thanks to a gadget called ZED Advance. This means that this device will regulate the solar inverter's (string inverter's) output power generation in accordance with the load. Or, to put it another way, it will prevent any surplus power from being generated by keeping the solar power plant's generating power below the load.
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What is the formula to find cross product of two vectors?
If there are two product A and B then the formula for cross product is, A × B = ABsinθ.
The direction of the cross product of the two vector will always be perpendicular to the plane projected by other two vectors. If there are two product such that,
A = a₁i + a₂j + a₃k
B = b₁i + b₂j + b₃k
Then the magnitude of their cross product(C) can also be determined by the matrix method, and this will be, C = (a₂b₃-a₃b₂)i - (a₁b₃-a₃b₁)j + (a₁b₂-a₂b₁)k
It must be noted that A × B ≠ B ×A.
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the rear window in a car is approximately a rectangle, 2.4 m wide and 0.70 m high. the inside rearview mirror is 0.60 m from the driver's eyes, and 2.10 m from the rear window. part a what is the minimum length for the rearview mirror if the driver is to be able to see the entire width and height of the rear window in the mirror without moving her head?
The minimum length for the rearview mirror is 3.2 m.
To determine this, we need to use the Pythagorean Theorem. First, we need to calculate the hypotenuse, or the distance from the driver's eyes to the bottom corner of the rear window. To do this, we need to find the sum of the two known distances, 0.60 m and 2.10 m, which equals 2.70 m.
0.60 m + 2.10 m = 2.70 m.
Next, we need to calculate the length of the side opposite the known angle. To do this, we will use the side opposite angle formula for the Pythagorean Theorem, which is
a^2 + b^2 = c^2.
In this case, a is 2.4 m, b is 0.70 m and c is 2.70 m.
We can then solve for a, which results in
a = sqrt(c^2 - b^2)
a = 3.2 m.
Therefore, the minimum length for the rearview mirror is 3.2 m.
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Name the unit of energy used to express energy of atomic and subatomic particles.
An atomic mass unit (amu) is one-twelfth of the mass of an unbound carbon-12 atom, and it is used to express the mass of atomic and subatomic particles.
What is unit of atomic energy?The joule is the International System of Units' unit of energy. Understanding the relationship between the binding energy and the mass defect in Albert Einstein's Theory of Relativity equation clarifies the conversion of amu to joules. The mass defect in the equation refers to the "vanishing" mass of protons and neutrons that is converted to energy and used to hold the nucleus together.The electronvolt is a unit of energy used in atomic physics, particle physics, and high energy physics (eV). One eV equals 1.60217663410^-19 J.For more information on atomic energy kindly visit to
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two positive point charges having equal charge values are surrounded by water and the distance between them is 0.642 m. if the magnitude of the total electric force on one of them is 342 n, what must be the charge of one of these particles in coulombs?
The charge of both of these particles is 14 µC.
The electric force between two point charges is given by Coulomb's Law, which states that the force (F) between two point charges is proportional to the product of the charges (q1 and q2) and inversely proportional to the square of the distance (r) between them. The proportionality constant is the Coulomb's constant (k). F = kq1q2/r^2.
When two charges are surrounded by water, the water molecules exert a force on the charges due to their polar nature. This force is called dielectric constant. The dielectric constant of water is around 80, which means that it can reduce the electric field strength by 80 times, making it weaker than it would be in a vacuum.
So, when considering the dielectric effect of water, the force on one of the charges would be 342 N / 80 = 4.28 N. This means that the charge would be 4.28 N * (0.642 m)^2 / k = 14 µC .
The dielectric constant of water can have a significant effect on the force between charges and should be considered when calculating the electric field strength or charge values in an aqueous solution.
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when are eclipse seasons? group of answer choices when the nodes of the moon's orbit are nearly aligned with the sun when earth and the sun are aligned with one another in the summer and winter during an eclipse in the spring and fall
Eclipse seasons occur when the nodes of the Moon's orbit are nearly aligned with the Sun. This alignment is known as a syzygy.
What is eclipse season?
During a syzygy, there can be a solar eclipse (when the Moon blocks the Sun's light from reaching Earth) or a lunar eclipse (when the Earth blocks the Sun's light from reaching the Moon).Eclipse seasons happen twice a year, approximately six months apart. During each eclipse season, there is typically at least one solar eclipse and one lunar eclipse.Eclipse seasons happen twice a year, approximately six months apart.During each eclipse season, there is typically at least one solar eclipse and one lunar eclipse.Eclipse seasons occur when the nodes of the Moon's orbit are nearly aligned with the Sun, known as a syzygy.During a syzygy, there can be a solar eclipse (when the Moon blocks the Sun's light from reaching Earth) or a lunar eclipse (when the Earth blocks the Sun's light from reaching the Moon).To learn more about eclipse season refer:
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Please help on all the questions I will post 50 points each
Answer:
The answer is 0.95 m
Answer:
Explanation:
The Answer is A
have a ncie day:)
The charge q4 is now replaced by charge q5 which has the same magnitude, but opposite sign from q4 (i. E. , q5 = 0. 1 μC). What is the new value for the potential energy of the system?
The new value for the potential energy of the system is U = 2.54J. Potential energy is the power that an item may store due to its position in relation to other things, internal tensions or other circumstances.
(4): As a result, q; = 1.2 uC
Assume that 91 = 1.5 UC and q = 2 JC. Then, a = 1.4 cm and d2 = 2 cm and 0.02 m, respectively.
U = k - 9143 9195 9345 Va' + d 2a (1.5x10-)(2x10*) (1.5x10-)(1.2x10-) (2x10-) (1.2x10-#) is the system's potential energy.
U=(9x109) \s(0.014) +(0.02) \sV(0.014) +(0.02) (0.02)
2 x0.014 \s, U = 2.54 J
This represents the system's potential energy's new value.The gravitational potential energy of an item, the elastic potential energy of a stretched spring, and the electric potential energy of an electric charge in an electric field are examples of common forms of potential energy. The joule, denoted by the letter J, is the energy unit in the International System of Units (SI).
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True or False: A dependent variable changes in response to the independent variable.
A dependent variable changes in response to the independent variable is True.
What is dependent variable?A dependent variable is a variable that is being measured or observed in an experiment. It is called dependent because it is dependent on the independent variable.
The independent variable is the variable that is being manipulated or changed in an experiment and the dependent variable changes in response to the manipulation of the independent variable. For example, in an experiment to test the effect of a new drug on blood pressure, blood pressure is the dependent variable and the new drug is the independent variable.
So, As the independent variable (the new drug) is changed, the dependent variable (blood pressure) will also change in response to it.
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how do modern scientists measure and calculate the speed at which the continents are moving
In todays modern word modern scientists measure and calculate the speed at which the continents are moving using the Global Positioning System (GPS).
What do you mean by the term Global Positioning System (GPS)?A satellite-based radio navigation system which is owned by the US government and run by the US Space Force is termed as the Global Positioning System, or Navstar GPS.It Has the following specifications:Satellites in orbit: 32 (31 operational)Coverage: GlobalCost: $12 billion; (initial constellation); $750 million per year; (operating cost)Total satellites: 24First launch: February 22, 1978; 44 years agoOperator(s): US Space ForceOrbital height: 20,180 km (12,540 mi)To know more about Global Positioning System visit
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which types of electromagnetic radiation might a doctor use to treat patients?
High-energy particles or waves, such as x-rays, gamma rays, electron beams, or protons, are used in radiation therapy to kill or harm cancer cells.
The three main EMF applications in medicine are magnetic resonance imaging (MRI), radiofrequency ablation (RFA), which is used in cardiology and tumor therapy, and localized dielectric heating (short wave diathermy), which is used in physiotherapy.
The features inside that area of the body, such as bones, tissues, and organs, are visible on a digital image or film as a result of medical imaging treatments that transmit x-ray beams, a type of ionizing radiation, to that area.
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give two similarities between each of the skulls that might lead to the conclusion that these are all related species​
The two characteristics that each skull shares with the other, proving that they are all related, are as follows: Each of them has a ridge that usually sticks out from the top. There are a row of flattened teeth on each skull.
What is demonstrated by the similarity of the bones among various organisms?Homologue or analogous structures can describe similar body parts. In support of evolution, both offer evidence. Because they were passed down from a common ancestor, homologous structures are those found in related organisms that are similar.
The shared characteristics of the skulls.
As a result, the following characteristics of each skull indicate that they are all related:
They all share a ridge that usually sticks out the top.
The teeth on each of the skulls are flattened.
The general shape of every skull is the same.
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a spring compresses in length by 0.14 in. for every 1 lbf of applied force. determine the mass of an object, in pounds mass, that causes a spring deflection of 1.8 in. the local acceleration of gravity
Spring force is given by F=−kxF=−kx .we have to find the mas of a object.
Define mass of an object?
In physics, the property of matter that measures its resistance to acceleration. Roughly, the mass of an object is a measure of the number of atoms in it. The basic unit of measurement for mass is the kilogram. Weight = mass * acceleration due to gravity.Mass (symbolized m) is a dimensionless quantity representing the amount of matter in a particle or object. The standard unit of mass in the International System (SI) is the kilogram (kg).It is one of the fundamental quantities in Physics and the most basic property of matter. We can define mass as the measure of the amount of matter in a body. The SI unit of mass is Kilogram (kg).
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If a constant force of 917 n is exerted on a scooter for 6 s, then what is the change in momentum?.
If a scooter is subjected to a constant force of 917 N for 6s, the change in momentum is 5502 kg/s/s.
How do you determine momentum?The propensity of a body to continue its inertial motion is known as momentum. It is the vector sum of the products of its masses and velocities, or the product of its mass and velocity.
Force = mass x (velocity/time)
Force = (Mass x Velocity)/Time
Force = Time/Momentum
This question states that a scooter experiences a constant force of 917 N for 6 seconds. Calculating the change in momentum is done as follows:
917N = p/6
p = 5502kg.m/s
Therefore the change in momentum of scooter is 5502kg.m/s.
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the sun, moon, and stars choose one or more: a. appear to move each day because earth rotates. b. rise north or south of east and set north or south of west, depending on their location on the celestial sphere. c. appear in the same location in the sky everywhere on earth because earth is in the center of the celestial sphere. d. change their relative positions over time.
The correct statement about the sun, moon, and stars are the option A, B, and D. Those are: (a) appear to move each day because the Earth rotates, (b) rise north or south of east and set north or south of west, depending on their location on the celestial sphere, and (d) change their relative positions over time
What are the effects of the Earth's rotation?The rotation of Earth within its own axis, and also changes in the orientation of the rotation axis in space. One rotation of the Earth is in 24 hours. This condition affect the Sun and the Moon, as follow:
- As the Earth rotates from west to east, the Sun appears to rise in the east and set in the west. (option b is correct)
- Just one part of the Earth that faces the Sun is alight and thus experiences day; the part of the Earth that does not face the Sun experiences night.
→ So, the Sun, Moon, and Stars seem to change their relative positions over time (option d is correct) and appear to move each day because the Earth rotates (option a is correct)
→ Therefore, the Sun, Moon, and Stars are not appear in the same location in the sky (option c is incorrect)
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the temperature requirements for cooling cooked rice are to cool it from 135 to?
TCS food must be cooled from 135°F to 70°F in 2 hours and completely cooled to 41°F or lower in 6 hours. TCS food made from room temperature ingredients must be cooled to 41°F or lower within 4hrs.
An ingredient is a substance that is included in a mixture (in a general sense). In cooking, for example, recipes specify which ingredients are used to prepare a specific dish. Many commercial products contain secret ingredients that are claimed to make them superior to competitors. In the pharmaceutical industry, an active ingredient is the component of a formulation that produces the desired effect for the customer.
A can of marrowfat peas' ingredient list. In addition to peas, the product contains water, salt, and an antioxidant. E385
National laws usually require prepared food products to display an ingredient list, and specific additives must be listed.
The law in most developed countries requires that ingredients be listed in order of their relative weight.
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If calcium reacts with a nonmetal, what will the charge of the calcium cation be?
If calcium reacts with a nonmetal, the charge of the calcium cation be +2.
What is cation?A cation has a net positive charge because it has more protons than electrons. One or more electrons must be lost in order for a cation to develop; normally, these electrons are drawn away by atoms having a larger affinity for them. The chemical symbol is followed by the number of lost electrons and the ion's charge.
When calcium reacts with a nonmetal, calcium (Ca) loses two electrons to become Ca²⁺. Hence, the charge of the calcium cation be +2 when calcium reacts with a nonmetal.
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the actual final pressure of the light bulb will be different than calculated in the first question because the glass bulb will expand. what will the final actual gauge pressure be, taking this into account? the volume expansion coefficient for glass is
The final actual gauge pressure is [tex]P & =18781.2 P_{a}[/tex].
As per the given data, we have to determine the final actual gauge pressure.
Initial temperature [tex]$=T_i=20^{\circ} \mathrm{C}[/tex]
= 272 + 20 = 293 K
Final temperature [tex]$=T_f=75^{\circ} \mathrm{C}[/tex]
= 273 + 75 = 348 K
Initial pressure [tex]$=P_a=$[/tex] atmospheric pressure
Final pressure [tex]$=p+p_a$[/tex]
Gauge pressure: Gauge pressure is the term used to describe the pressure that is measured by atmospheric pressure.
When internal pressure exceeds atmospheric pressure locally, the term "gauge pressure" is used.
The volume of the bulb will increase as the temperature increases,
So, the volume of the bulb is defined as,
[tex]$$V_f=V_i\left(1+\beta\left(T_f-T_i\right)\right)$$[/tex]
Ideal Gas Law: The macroscopic and microscopic factors, such as pressure, volume, and temperature, determine the condition of an ideal gas.
Now, by ideal gas law,
P V = n R T
[tex]& \Rightarrow \quad \frac{P V}{T}=n[/tex] R = constant
Then:
[tex]$\frac{P_i V_i}{T_e}=\frac{P_f V_f}{T_f}$[/tex]
[tex]&& \Rightarrow \frac{P_a \cdot V_a}{293}=\frac{\left(P+P_a\right) V_i\left[1+\beta\left(T_f-T_i\right)\right]}{348} \\[/tex]
[tex]& \Rightarrow \frac{348}{293\left[1+\beta\left(T_f-T_i\right)\right]}=\frac{P+P_a}{P_a}[/tex]
[tex]&\frac{P}{P_a}+1 & =\frac{348}{293\left[1+2.7 \times 10^{-5}(348-293)\right]} \\[/tex]
[tex]=\frac{348}{293[1+0.001485]}=\frac{348}{293.435105} \\[/tex]
[tex]\frac{P}{P_a}+1 &[/tex] = 1.18595233
[tex]\Rightarrow \frac{P}{P_a} &[/tex] = 1.18545233 - 1
=0.18595233
[tex]P & =P_a \times[/tex] 0.18595233 = 101000 × 0.18595233
[tex]P & =18781.2 P_{a}[/tex]
This is the final actual gauge pressure.
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The actual final pressure of the light bulb will be different than that calculated in the first question because the glass bulb will expand. what will the final actual gauge pressure be, taking this into account? the volume expansion coefficient for glass is 2.700 × [tex](10^{-5}) ^{\circ} \mathrm{C}[/tex]
a metal ball lies on a flat horizontal surface. it is attracted by three magnets placed around it. the first magnet's force on the ball is 1\text{ n}1 n1, start text, space, n, end text in the eastward direction and 2\text{ n}2 n2, start text, space, n, end text in the northward direction. the second magnet's force on the ball is 1.5\text{ n}1.5 n1, point, 5, start text, space, n, end text in the westward direction and 1\text{ n}1 n1, start text, space, n, end text in the northward direction. the third magnet's force on the ball is 2\text{ n}2 n2, start text, space, n, end text in the eastward direction and 2.5\text{ n}2.5 n2, point, 5, start text, space, n, end text in the southward direction. what is the direction of the resultant force acting on the ball? round your answer to the nearest integer. you can round intermediate values to the nearest hundredth.
Answer:
18
Explanation:
Answer:
132 degree rotation
Explanation:
:D