Question

What is the kinetic energy (in kJ) of a 2.50 kg ball traveling at a speed of 600 m/s?

Answer 1

`KE=450 000J`

Explanation:

`KE=1/2m u^2`

in this case

`m=2.5kg`

`u=600m^(-1)`

`KE=1/2xx2.5xx600^2`

`KE=450 000J`