Question

A stationary ball weighing 0.25 kg aquires a speed of 10m/s when hit by a hockey stick. What is the impulse imparted to ball?

Answer 1

`"2.5 kg m/s"`

Explanation:

Impulse (`"J"`): Change in momentum

`"J = mΔv = 0.25 kg × (10 m/s – 0 m/s) = 2.5 kg m/s"`