Question

what hapens to the kinetic energy of a body when
1) mass become double?

2) velocity becomes double?​

Answer 1

1)When the mass doubles the kinetic energy also doubles

2)When the velocity doubles the kinetic energy quadruples thai is the four times the original value

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Answer 2

KE=(1/2)mv^2

so when mass double

KE increases by 2 times

when velocity becomes double?

KE increases by 4 times