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3 years ago

Which device is designed to convert chemical energy into kinetic energy ?

Physics

1 answer:

irakobra [83]3 years ago

7 0

Answer:

A.C. Generator

Explanation:

The device designed to convert chemical energy into kinetic energy is an A.C generator.

The generator uses fuel to cause the mechanical motion of the pistons in the device.

Chemical energy is a form of energy found between the bonds of compounds and molecules.
When the bonds are broken, energy is released.
The heat energy produced drives pistons and cause mechanical motion of the body.
This is a form of kinetic energy which causes the motion of a body.

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3 years ago

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4 years ago

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Answer:

The magnitude of the Force is $F = 697 *10^{-15}N$ and the direction is South

Explanation:

From the question we are told that

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$\= B = 42(-i)mT = 42*10^{-3} (-i) T$

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$KE = 9*10^{-12}J$

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$KE = \frac{1}{2}mv^2$

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$m = 1.67*10^{-27}kg$

Now making the subject of the formula

$v = \sqrt{\frac{KE}{0.5 * m} }$

Substituting values we have

$v = \sqrt{\frac{9*10^{-12}}{0.5 * 1.67*10^{-27}} }$

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Now from the question we are told that proton is moving upward which is in the positive z direction so the velocity of the proton would be in the positive

So the velocity would be

$\= v = 10.37*10^{7} \r k \ m/s$