Question

The kinetic energy of a man is ha
ho kinotic energy of a man is half that of a boy whose mass is half that of the man.
hen the man speeds up by 5ms, his kinetic energy is 100% more than that of
the boy. The initial velocity of the man is,
A) (√2+1)m/s B) 5m/s C) 2(root 2-1)m/s D)2 ​

Answer 1

Explanation:

whose mass is half that of the man.

hen the man speeds up by 5ms, his kinetic energy is 100% more than that of

the boy. The initial velocity of the man is,

A) (√2+1)m/s B) 5m/s C)