The average force that is necessary to stop a hammer with 25 `Ns` momentum in 0.05 s is

The average force necessary to stop a hammer with 25 N-sec momentum is 0.05 sec expressed in N is

The average force necessary to stop a hammer with 50 NS momentum in 0.05 s is

The average force necessary to stop a hammer with momentum p (in N-s) in 0.5 s is :-

The average force necessary to stop a hammer with momentum p (in N-s) in 0.5 s is :-

The average force necessary to stop a hammer with momentum p (in N-s) in 0.5 s is :-

The average force necessary to stop a bullet of mass 20 g and 250 m//s as it penetrates wood to a distance of 12 cm, is:

The average force necessary to stop a bullet of mass 20 g moving with a speed of 250 m//s , as it penetrates into the wood for a distance of 12 cm is

The average force necessary to stop a bullet of mass 20 g moving with a speed of 250 m//s , as it penetrates into the wood for a distance of 12 cm is

Find the average frictional force needed to stop a acar wieghing 500 kg in a distance of 25 m i the initial speed is 72 km/h.