help me please


explain how to do this if you can

Answer:

35 degrees Fahrenheit is 1.66667 degrees in Celcius. Written in Kelvin, 35 degrees Fahrenheit would be 274.817 K.

Celcius:

(35°F − 32) × 5/9 = 1.667°C

Kelvin:

(35.001°F − 32) × 5/9 + 273.15 = 274.817K

F to C formula:

(32°F − 32) × 5/9 = 0°C

F to K formula:

(°F − 32) × 5/9 + 273.15 = K

Answer:

D.

Explanation:

the required angle is ∠PRS (for more info see the attachment), then it is D.

Answer: D

Explanation:

The resistance of the thermometer at room temperature is 15.04 ohms.

A resistance thermometer is a type of thermometer that measures temperature through a change in resistance.

To calculate the resistance of the thermometer at room temperature, we use the formula below.

Formula:

Where:

Make x the subject of the equation

Hence, The resistance of the thermometer at room temperature is 15.04 ohms.

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When a butane lighter is lit, chemical energy transforms into heat energy.

Energy cannot be created or destroyed, says the law of conservation of energy. However, it has the ability to change its form. The total energy of an isolated system is constant when all sources of energy are taken into account.

The chemical energy is the bonds of chemical molecules contain energy. Exothermic reactions are those in which chemical energy is released during the reaction, frequently in the form of heat.

In butane energy is stored as a chemical energy as  bonds of chemical molecules and when it is lit, the chemical energy of the butane transforms into heat energy.

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Answer:

B

Explanation:

parallel circuits required m

Answer: 136 Newtons (136N)

Explanation:

Newton's Law of Gravitation states that the gravitational force is proportional to the masses of the two objects, and their separation distance between them. The proportionality constant is called Newtons constant denoted as capital 'G':

[tex]F=GMm/r^2[/tex]

Now, due to Newton's 2nd Law of motion, we know that a net force acting on an object causes an acceleration. We can also say that the force is:

[tex]F=ma[/tex]

Setting both of these equations equal to each other, we get:

[tex]ma=GMm/r^2[/tex]

The smaller 'm' will cancel giving that the acceleration is:

[tex]a=GM/r^2[/tex]

This is the equation which gives the gravitational field created from a source mass 'M'. To find the weight, find the product between the test mass and the gravitational field created by the source mass:

[tex]Weight=mass*acceleration[/tex]

[tex]W=ma[/tex]

[tex]W=(85kg)(1.6m/s^2)[/tex]

[tex]W=136N[/tex]

The units are Newtons due to weight being a force.

Given what we know, we can confirm that the bands indicate that the canyon was carved due to erosion caused by moving water.

The bands are the result of sediments being deposited as the canyon was being formed. These sediments are deposited by the running water that carves the canyon. This results in horizontal bands that can tell us much about the history of the canyon as well as the river that formed it.

Therefore, we can confirm that the bands indicate that the canyon was carved due to erosion caused by moving water.

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Answer:

Domestic gadgets like the mixer-grinders, pressure cookers, desert coolers, air- conditioners, exhaust fans, vacuum cleaners, sewing and washing machines are all indoor sources of noise pollution.

Explanation:

(a) The magnitude of the electric field of the material is 600 V/m.

(b) The magnitude of the electric field of the material in the presence of dielectric constant is 176.5 V/m.

The magnitude of the electric field of the material is calculated as follows;

E = V/d

where;

Substitute the given parameter into the equation above.

E = 1.5/(2.5 x 10⁻³)

E = 600 V/m

E = E₀/k

E = 600/3.4

E = 176.5 V/m

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A 615 N student standing on a scale in an elevator notices that the scale reads 645 N. From this information, the student cannot tell that if the elevator is moving upward or downward. The correct answer is option C.

The reason for this is that the scale reading depends not only on the weight of the student but also on the acceleration of the elevator. If the elevator is accelerating upwards, the scale will read more than the actual weight of the student.

Similarly, if the elevator is accelerating downwards, the scale will read less than the actual weight of the student.

In this case, we know that the scale reads 645 N, which is 30 N more than the actual weight of the student (615 N).

However, we don't know whether the elevator is accelerating upwards or downwards. It could be accelerating upwards with an acceleration of 3 m/s^2 (in which case the apparent weight would be 645 N), or it could be accelerating downwards with an acceleration of 3 m/s^2 (in which case the apparent weight would be 585 N).

Therefore, based on the information given, we cannot determine whether the elevator is moving upwards or downwards. The correct option is c.

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Answer:

5.98 m

Explanation:

[tex]T=2\pi \sqrt\frac{L}{g}[/tex]

[tex]T^2=4\pi ^2L/g\\L = gT^2/(4\pi^2)[/tex] = 11.15*4.6²/(4π²) = 5.98 m

=> A.) 6

Explanation:

=> 6 molecules of water are recycled into one molecule of glucose during photosynthesis.

6CO2 + 6H2O + light energy → C6H12O6 + 6O.

Answer:

Homogenous Mixture

Explanation:

When the scientist heated sugar and water, until the sugar was completely dissolved, then the mixture is a homogeneous mixture, also known as a solution.

A mixture is a combination of two or more substances that are physically combined in a way that each retains its own identity and properties. The substances that make up a mixture are called components or constituents, and they can be either elements or compounds.

Mixtures can be classified as homogeneous or heterogeneous, depending on whether the components are uniformly distributed or not.

In a homogeneous mixture, the components are evenly distributed throughout the mixture, resulting in a uniform composition and appearance.

In a heterogeneous mixture, the components are not uniformly distributed, and the mixture may contain visible boundaries or phase separations.

Mixtures can be created by mixing substances together using physical methods, such as stirring, shaking, or heating. Unlike chemical reactions, which involve the formation of new substances with different properties, mixtures can be separated back into their individual components by physical means, such as filtration, evaporation, or distillation.

Here in the question,

The mixture created from the water and sugar solution is a homogeneous mixture, also known as a solution. In a homogeneous mixture, the components are uniformly distributed throughout the mixture, resulting in a uniform composition and appearance. In this case, the sugar molecules are evenly dispersed throughout the water molecules, creating a clear and transparent solution.

Therefore, The mixture created from the water and sugar solution is a homogeneous mixture,

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Answer:

2 hour

Explanation:

car will cover 80km in 1 hr

odometer's reading increases 160 km

so 80km = 1hr

then, 160km =1/80×160

=2 hr

Answer:

120 mins

Explanation:

delta X = 860 - 700      V = 80km/hour

t= delta x/ v= (860-700)/80= 2hours

2 hours = 120 mins

The heat current in the Erlenmeyer flask is 448.5 W.

Heat current or heat flow rate is the quantity of heat transferred in a given period of time.
[tex]Q = \frac{kA \Delta \theta }{L}[/tex]

where;

[tex]Q = \frac{0.598 \times 0.5 \times (30-0)}{0.02} \\\\Q = 448.5 \ W[/tex]

Thus, the heat current in the Erlenmeyer flask is 448.5 W.

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Answer: 27˚

Explanation:

The sum of the angles in any triangle will always be 180˚. We know that two of the angles measure 63˚ and 90˚. So we can setup a simple equation to find x:

x + 63 + 90 = 180

x = 27˚

Answer:

im not sure if this is right but i would do the 90 degrees and the 63 degrees  so 90-63=27 degrees but im not sure

Explanation:

The precision (relative error) of the centripetal force is 1%.

This is the error in measurement of a variable obtained in comparison with other variables.

F = mv²/r

where;

F/m = v²/r

F/m = (0.01v)²/(0.01r)

F/m = 0.01v²/r

F/m = 1%(v²/r)

Thus, the precision (relative error) of the centripetal force is 1%.

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Answer:

a house or a land is used to secure a mortgage loan

a house or a land is used to secure a mortgage loan. Hence option D is correct.

A loan is the lending of money by one or more persons, organisations, or other entities to other individuals, organisations, or other entities in finance. The recipient (i.e., the borrower) incurs a debt and is often required to pay interest on that loan until it is repaid, in addition to repaying the primary amount borrowed.

The paper demonstrating the loan (for example, a promissory note) will often indicate the principal amount borrowed, the interest rate charged by the lender, and the date of repayment. A loan is the temporary reallocation of the subject asset(s) between the lender and the borrower.

The interest serves as an inducement for the lender to make the loan.

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The electric potential energy of the given charged particle is 8.55 x 10⁻⁷ J.

The electric potential energy of the given charged particle is calculated as follows;

E = Fd

where;

[tex]E = \frac{kq_1q_2}{r^2} \times r\\\\E = \frac{kq_1q_2}{r}[/tex]

Substitute the given parameter and solve for electric energy

[tex]E = \frac{(9\times 10^9) \times (5 \times 10^{-9}) \times (9.5 \times 10^{-9})}{0.5} \\\\\E = 8.55 \times 10^{-7} \ J\\\\[/tex]

Thus, the electric potential energy of the given charged particle is 8.55 x 10⁻⁷ J.

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Answer:

Fastening-run & High-Jumping

Answer:

L = V × I × t

P = V × I then

P = L/t

P = 64000J/200s= 320W

answer : P = 320 W

........

Answer:

see below

Explanation:

:) A loop of wire carries a conventional current of 0.5 amperes. The radius of the loop is 0.06 m. Calculate the magnitude of the magnetic field at a distance of 0.32 m along the axis of the loop, from the center of the loop.

Answer :

An electric force is the attracting or repulsive interaction between any two charged things. Newton's laws of motion, like any other force, define its influence on things.

Explanation:

Answer:

1. The induced current will increase.

2. The ammeter will detect an increase in current, and the compass will detect a stronger magnetic field.

3. the ratio of incoming and outgoing voltages

4. Voltage and electric current are induced.

100%

The induced current will increase.

                                                           or

        [tex]${\displaystyle {\mathcal {E}}=-{\frac {\mathrm {d} \Phi _{B}}{\mathrm {d} t}}}[/tex]

        [tex]$\nabla \times \mathbf {E} =-{\frac {\partial \mathbf {B} }{\partial t}}[/tex]

        or

        [tex]${\displaystyle \oint _{\partial \Sigma }\mathbf {E} \cdot \mathrm {d} \mathbf {l} =-\int _{\Sigma }{\frac {\partial \mathbf {B} }{\partial t}}\cdot \mathrm {d} \mathbf {A} }[/tex]

Given is that a current is induced by moving a magnet in and out of a coil of wire.

As the magnet moves twice as fast, then the rate of change of magnetic flux will increase and hence the induced current will increase.

Therefore, we can conclude that the induced current will increase.

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Answer:

2.8ibs=kg check with someone else im not for sure.

Explanation:

if you divide 10 divided by 2 it gives you 5 and then subtract it by 2.2 = 2.8

there goes your answer.

Answer: Because the hunter will try to aim at the fish, but the image of fish he sees is actually the apparent image of the fish at a location.

Heres an image to help

Hope this helps!

Answer:

See down

Explanation:

Airborne Testing
In order to rate the airborne sound insulation of a party element, speakers are used to generate white noise, usually at levels of around 100 decibels, in the source room. Then, using a moving microphone technique, the average sound pressure level is measured the other side of the element in question.

Answer: 1.5 N/cm

Explanation: is it correct

The Spring Constant is  147 N/m.

The definition of force in physics is: The push or pull on a massed object changes its velocity.

An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.

A spring balance can be used to calculate the Force. The Newton is the SI unit of force.

Given parameters:

Initial length of the spring = 0.400 m.

Final length of the spring = 0.450 m.

Change in length: Δx = 0.450 m - 0.400 m = 0.050 m.

Mass of the hung object = 0.750 kg.

Weight of the hung object: w = 0.750 × 9.8 N = 7.35 N

Hence, from Hooke's law,

the Spring Constant is = Weight of the hung object / Change in length

= 7.35 N / 0.050 m

= 147 N/m.

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