Question

Question #bf0b1

Answer 1

44%

Explanation:

`K= 1/2m^2 =(mv)^2/(2m)=p^2/(2m)`

`p= mv`

A 20% increased from `p_0` means that

`p=1.2p_0`

`K= (1.2p_0)^2/(2m) =1.44 p_0^2/(2m)=1.44K_0`

`(K-K_0)/K_0`=1.44-1=0.44=44%

Hence, Kinetic energy increased by 44%