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Byju's Answer
Standard X
Physics
Kinetic Energy
A light and a...
Question

A light and a heavy body have equal momenta. Which one has greater kinetic energy?

A
the heavy body
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B
the light body
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C
both
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D
none
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Solution

The correct option is D the light body
Since, momenta of heavy body and light body are same, thus velocity of light body is greater than that of heavy body. Also, kinetic energy is proportional to the square of velocity hence, lighter body has greater kinetic energy.

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