Question

If momentum of an object increases by 2% then its kinetic energy increase by (1) 5% (2) 7.5% (3) 15% (4) 4%​

Answer 1

Answer:

Hence, we can see that if momentum of an object increases by 10%, then the kinetic energy will increase by 21%.

Answer 2

Answer:

Kinetic energy of a body of given mass, is directly proportiional to its square of its velocity. When momentum is doubled, mass remaining constant, this means velcity is doubled. Hence, kinetic energy becomes 22=4 times i.e. say from 100 units to 400 units.

Explanation:

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