Question

Show kinetic energy of an object becomes a quarter, if the velocity of an object is
halved?

Answer 1

Answer:

follow the explanation

Explanation:

Solution

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Verified by Toppr

Kinetic energy of the body K.E=

2

1

mv

2

So, K.E∝v

2

If speed of the body is halved, its kinetic energy will be reduced by a factor of 4.

That is

New K.E=

2

1

m(

2

v

)

2

=

4

K.E

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