ASTRONOMY QUESTION
Over what range of distances from the Sun would you expect to find solid, rocky material collecting together to form a terrestrial planet?
Group of answer choices

A) 5 - 50 AU

B) beyond 50 AU

C) 0.2 - 5 AU

D) 0 - 0.2 AU

Because there is less resistance, it is simpler to maneuver their vehicle and requires less effort.

The definition of force is physics states that when a mass-containing object is pushed or pulled, it alters its velocity. The ability to change a body's resting and moving state is actually possessed by force, an external agent. It moves and has a certain size.

Things move and, more precisely, change their motion as a result of force. The forces of magnetic forces and gravity are two examples of natural forces that humans have encountered. These two forces don't need to be in close proximity to each other to work because they act at a distance.

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The density of 1 mole of oxygen at a pressure of 4×10⁻⁴ Nm⁻² and a temprature of 273.2 K is 2.82×10⁻⁶ g/m³

We'll begin by obtaining the volume of the oxygen. This can be obtained as follow:

PV = nRT

Divide both sides by P

V = nRT / P

V = (1 × 8.314 × 273.2) / 4×10⁻⁴

V = 5678462 m³

Finally, we shall determine the density of the oxygen. This can be obtained as follow:

Density = mass / volume

Density of oxygen = 16 / 5678462

Density of oxygen = 2.82×10⁻⁶ g/m³

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The magnitude of the work done on the particle by the applied force is 19.72 J.

The work done in moving a charged particle is determined from the product of force and displacement of the object.

W = Fd

where;

The magnitude of the particle's displacement is calculated as follows;

|d| = √[(x₂ - x₁)² + (y₂ - y₁)²]

where;

|d| = √[(-3.1 - 0.92)² + (5 - 2.5)²]

|d| = 4.73 m

The magnitude of the force is calculated as follows;

F = √(-3.6² + 2.1²)

F = 4.17 N

The work done = 4.17 N x 4.73 m = 19.72 J

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When mass of Mars and Phobos are given then we can calculate that Mars and Phobos are 9.098x 10⁶ meters apart.

The gravitational force is that force that pulls objects with mass towards each other.

The formula for the gravitational force between two objects is given as:

Force = G  (M1) (M2) / (distance²)

Given, Force  =  4.98 x 10¹⁵N

G  =  6.673 x 10⁻¹¹  N·m²/kg²

Given One mass =   6.79 x 10²³ kg

and Other mass = 9.1 x 10¹⁵ kg  

Force = (G) · (M1) · (M2) / (distance²)

4.98x10¹⁵N = (6.673x10⁻¹¹N-m²/kg²)·(6.79x10²³kg)·(9.1x10¹⁵kg) / (distance²)

(distance²)·(4.98x10¹⁵N) = (6.673x10⁻¹¹N-m²/kg²)·(6.79x10²³kg)·(9.1x10¹⁵kg)

(distance²)=(6.673x10⁻¹¹N-m²/kg²)·(6.79x10²³kg)·(9.1x10¹⁵kg) / (4.98x10¹⁵N)

 (distance²)  =  8.279 x 10¹³  m²

distance  =  9.098x 10⁶ meters .  

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The distance that the log has moved till it got to where Ernie reached Burt  would be 0.37m

We have the following details that would be used to get the solution to this problem

length of log = 4. 0 m

The mass of the log is 210 kg

The weight pof Burt = 40 . 5 kg

The weight of ernie would be 25.5 kg

The formula to be used would be in the form of

x(mass of log) + x(mass of Burt) + mass of ernie (x - length of wood)

such that we would have

210x + 40.5x + 25.5(x - 4) = 0

210x + 40.5x + 25.5x - 102 = 0

276x - 102 = 0

cross sign to the other side

276x = 102

To get the distance we would have to divide through by 276 and this value that we would get is going to be the x value

276x / 276 = 102 / 276

x = 0.369

~ 0.37m

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Use Newton’s law of universal gravitation.

F = Gm1m2/r^2

(Force) F= Newtons

G is the “Universal Gravitational Constant”. G = 6.67 × 10^-11 N m^2 kg^-2

M1 is the first mass, the Sun. Mass of the Sun = 2 x 10^30 kg

M2 is the second mass, the Earth. Mass of the Earth = 6 x 10^24 kg

DR is the distance between the two objects. Distance from the Earth to the Sun = 1.5 x 10^11 metres

F = Gm1m2/r^2

F = G x 2 x 10^30 x 6 x 10^24/ [1.5 x 10^11] ^2 = 6.7 x 10^11 N

Answer:79g +9a(y>3

Explanation::79g +9a(y>3

Every action has an equal and opposite response, states Newton's Third Law of Motion. When a bullet is fired from a gun, the gun exerts force on the bullet that causes it to move forward. The bullet also applies an equal and opposing force to the gun as it moves backward.

The term “translational motion” refers to a motion in which the body moves in a straight line from one location to another. The motion of a bullet launched from a gun is an illustration of translational motion.As the bullet goes rearward, it exerts an equal and opposite force on the gun.

Therefore, A bullet loses kinetic energy and gains potential energy when fired vertically upward. At greater altitudes, the bullet continues to lose kinetic energy while gaining potential energy.

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The electron receives some of the energy that belongs to the photon. If an object's energy declines, its frequency and wavelength get longer.

When a photon with energy hf collides with an electron that is stationary, compelling proof that light is composed of particles (photons) and that photons have momentum is produced. Although the electron receives a portion of the energy and momentum (the Compton effect), the energy and momentum are conserved in this elastic collision. The photon possesses hf/ energy following the collision, while the electron has K kinetic energy.

Energy is conserved as follows: hf = hf/ + K

Combining this with the momentum conservation formulae, the following equation may be used to demonstrate the relationship between the wavelengths of the incident and emitted photons:

Δλ = λ/ - λ = (h/mec) (1 - cosθ)

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Answer:

Explanation:

The rms speed:

Vrms = (500 + 600 + 700 + 800 + 900) / 5 = 700 m/s

It is evident from Isaac Newton's equation for universal gravitation that ANY TWO masses will act as an easily calculable attractive force on one another. Cavendish proved that this was accurate (for masses that he gathered in his shed).

The Cavendish experiment was the first to accurately determine the gravitational constant and the force of gravity between masses in a laboratory setting. Cavendish's work does not directly mention the gravitational constant due to the unit norms in use at the time. Instead, the outcome was initially stated as Earth's specific gravity, or alternatively, as Earth's mass. The first precise values for these geophysical constants came from his experiment.

Thus, by measuring the universal  gravitational constant though experiment,  Cavendish's experiment makes easy to calculate gravitational attraction force for minute objects also.

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The force that acts on the conductor is obtained from the calculation as  15.5 N.

We know that a magnetic field has to do with the region in space where the influence of a magnet can be felt. In this case, we have been told that;

The magnetic field of the conductor (B)= 0.75 T

The current (I) =  69 A

Length of the wire = 30 cm or 0.3 m

Let us recall the formula that says;

F = BIL

F = force on the conductor

B = magnetic field

L = length of the conductor

Thus if we substitute values;

F = 0.75 * 69 * 0.3

F = 15.5 N

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The change in gravitational potential energy stored in 16 Jule.

What is gravitational potential energy?

In classical mechanics, of the  gravtitational potential at in a  location is equal to the work per unit mass that's would be needed to Move an object to that locations from a fixed references  location. It is analogous to the electric potential with the mass playing the role of charge.

Sol-As per the given question ∆PE = mgh

M= skg

g= 4m/s^2

∆h = 2m

∆PE = 2m×4m×2m

= 16 Joules.

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The person who threw the punch remains stationary, and their hand undamaged because the impulse received by the opponent is greater than the reaction force experienced by the person who threw the punch.

Newton's third law of motion states that for every action, there is an equal and opposite reaction. That is, action force and reaction force are equal and opposite.

Mathematically, the Newton's third law of motion can be stated as follows;

Fa = Fb

where;

In a barfight, when one person swings a punch with their bare hand and knocks another person over a table in spectacular fashion. The person who threw the punch remains stationary, their hand undamaged because the impulse received by the opponent is greater than the reaction force experienced by the person who threw the punch.

The force applied by the person who threw the punch maybe equal and opposite to reaction he received but the impulse experienced by the opponent is greater.

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equal to 9380 into 10. To the power three m. T is equal to 2.77 into 10 to the power of four seconds. So the expression for finding the mass of mars as the Squire divided by r cube as equal to four Pi Square divided by G into em. So M will be equal to for by Squire. Our cue divided by G. The Squire. So now we can substitute the values That does four by Squire. indu 9380 into 10. to the power three all cube divided by Value of GS 6.67, 3 into 10 to the Power -11. Indu 2.77 into 10 to the power of four all Squire. By solving this, we will get the mosque as six point 363 into 10. to the power 23 kilogram

The initial speed of the ball is 4.12 m/s.

Speed is distance travelled by the object per unit time. Due to having no direction and only having magnitude, speed is a scalar quantity With SI unit meter/second.

Given parameters:

Mass of the ball; M = 10.0 g.

Height from where ball straight down from : h = 2.0 m.

Final speed of ball; v = 7.5 m/s.

And we known that, acceleration due to gravity; g = 9.8 m/s²

We have to find:  the initial speed of the ball: u = ?

We know that, v² = u² + 2gh

⇒ u² = v² - 2gh

⇒ u² =( 7.5)²  - 2×9.8 ×2

⇒ u² = 17.05

⇒ u = 4.12 m/s.

Hence,  the initial speed of the ball is 4.12 m/s.

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Answer:

Explanation:

velocity describes the directional speed of an object in motion as an indication of its rate of change in position (includes magnitude but not the direction) while acceleration is the change in velocity (inculdes direction and magintude)

The color of the wire is a factor that will not affect the magnetic strength of a solenoid.

A solenoid is a device that consists of a coil made of wire, a housing and a moveable armature. When an electrical current is flowing in the solenoid, a magnetic field forms around the coil which draws the plunger inside. A solenoid has the ability to convert electrical energy in the form of mechanical work.

The magnetic field created by a solenoid depends on the current and density of rounds. The energy density of the magnetic field depends on the strength of the magnetic field and also depends upon the magnetic permeability of the material present in it. Iron has a larger permeability as compared to a vacuum.

So we can conclude that option C is the correct answer.

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Answer:

V = (S2 - S1) / t = (750 - 500) m / (300 - 100) s = 1.25 m/s

Likewise during segment (D)

V = (0 - 750) m / (500 - 300) s = -3.75 m/s

A statement of relation between objects is called as Concept.

How do you define a concept?

Concepts are regarded as intangible ideas. They are acknowledged as the basic conceptual building blocks of principles, thoughts, and beliefs.

They are critical to all facets of cognition. As a result, concepts are investigated by a variety of academic fields, including linguistics, psychology, and philosophy. These fields are curious about the logical and psychological structure of concepts as well as how they are combined to create thoughts and sentences.

An increasingly popular interdisciplinary approach known as cognitive science has made the study of concepts a focal point.

There are currently at least three popular approaches to understanding a concept:

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The time taken for the bowling ball to stop, given that a force of 38 N was applied is 0.55 s

We'll begin by obtaining the deceleration of the ball. This can be obtained as follow:

Force (F) = mass (m) × deceleration (a)

F = ma

Divide both sides by m

a = F /m

a = 38 / 6.9

a = -5.5 m/s²

Finally, we shall determine the time. This is shown below:

a = (v – u) / t

-5.5 = (0 – 3) / t

-5.5 = -3 / t

Cross multiply

-5.5 × t = -3

Divide both sides by -5.5

t = -3 / -5.5

t = 0.55 s

Thus, we can say that the time required is 0.55 s

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Buoyant force from the atmosphere is greater on her car than the balloon is a correct statement  

buoyant force = - rho * g * V

where

rho = fluid density or in our case air density

g = acceleration due to gravity

V = volume of displaced liquid or volume of displaced air

volume of  displaced air is more in the case of car as compared to balloon because car has larger volume then balloon .

and volume displaced is directly proportional to the buoyant force , hence buoyant force from the atmosphere is greater on her car than the balloon is a correct statement .

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The force that is applied 100 N.

We know that a lever is one of the kinds of simple machine that we have. The lever works by the fact that there is a load and an effort arm. We have been told that a  lever with an effort arm of 10 meters and a load arm of 2 meters is used to lift an object weighing 220 Newtons to a height of 4 meters.

We can get the force that must be applied from the fact that;

Work = Force * distance

Force = Work/Distance

Force = 400/4

Force = 100 N

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The mechanical advantage of the crow bar is 3 while the velocity ratio is 4. The efficiency of the machine is 75%.

We know that a machine is any device that can be used to make work a lot much easier. Thus, the machine is the object that could make less effort to be applied in making a greater work to be done as we can see in this case we have here.

From the question, the pieces of information that we can get are;

Distance moved by Effort = 200 cm

Distance moved by load = 0.5 m or 50 cm

Velocity ratio = Distance moved by Effort/Distance moved by load

= 200 cm /50 cm

= 4

Mechanical advantage is found to be; Load/Effort

= 600 N/200 N

= 3

Efficiency = Mechanical advantage/ Velocity ratio * 100/1

= 6/4 * 100/1

=3/4 * 100/1

= 75%

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The potential energy of the water having height of 45 m and has a mass of 250 kg is 110,250 Joule.

The force acting on the two objects affects the potential energy formula. The formula for gravitational force is P.E. = mgh, where g is the acceleration caused by gravity (9.8 m/s2 at the earth's surface) and h is the height in meters.

Substituting the value of mass (m), height(h) and g in the formula of potential energy

P.E = mgh

P.E. = 250*9.8*45

P.E.= 110,250 J  

Potential energy is the power that a thing possesses as a result of where it is in relation to other objects. Because the earth can pull you down through the force of gravity while doing work in the process, being at the top of a stairwell gives you more potential energy than standing at the bottom.

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When basketball is inflated than there is more air resistance so weight that is force due to gravity is more.

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Deflated and inflated ball are with air and without air so mass varies hence we say it is matter as it occupies space inside the ball.

When basketball is inflated than there is more air resistance so weight that is force due to gravity is more.

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Nitrogen-14 is created through the beta decay of carbon-14. Beta particle emission occurs along with this kind of disintegration.

The unstable nucleus emits alpha particles during this disintegration. A helium nucleus with two protons and two neutrons makes up an alpha particle. Additionally, it bears a +2 charge.

This kind of radioactive decay results in the emission of gamma rays. The process produces a lot of energy, yet the number of protons doesn't change.

Carbon has an atomic number of 6, while nitrogen has a number of 7. Since the only way that carbon-14 and nitrogen-14 differ from one another is in their atomic number. Nitrogen-14 is created through the beta decay of carbon-14. Only beta decay allows for the conversion of carbon-14 into nitrogen-14, and the number of protons remains constant.

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(a)The displacement of the car is 12.8m

(b)The average speed is 10.0 m/s.

(c)The average velocity is 7.11 m/s.

Distance is the real distance an object has traveled. The shortest distance between an object's initial and final positions is called displacement. It has a scalar value. A vector quantity, that is. An body can never travel a distance of zero.

a. The vector sum of the different displacements yields the overall displacement. The Pythagorean theorem provides the vector sum since these displacements are perpendicular.

x2 = (10.0 km)² + (8.00 km)²

x = 12.8 km.

The angle is found using

tan q = (10.0 km/8.00 km)

q = 51.3° N of E.

b. Avg. Speed = Distance/Time = (18.0 km/30.0 min)(1000 m/1 km)(1 min/60 s) = 10.0 m/s.

c. Avg. Velocity = Displacement/Time = (12.8 km/30.0 min)(1000 m/1 km)(1 min/60 s) = 7.11 m/s.

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The complete question is -

A car travels 10.0 km due north, then 8.00 km due east, the total trip taking 30.0 minutes. Find (a) the displacement of the car, (b) the average speed (in m/s), and (c) the average velocity (in m/s).