Question

(a) A hammer of mass 0.5 kg, moving at 50 m/s, strikes a nail. The nail
stops the hammer in a very short time of 0.01 s. what is the force of
nail on hammer.
(b) A man weighing 60 kg runs along the rails with a velocity of 18 km/h
and jumps into a car of mass 100 kg standing on the rails. Calculate
the velocity with which car will start travelling along the rails.​

Answer 1

Answer:

ans no.1

as every action has an equal and opposite reaction