Question

a man wearing bullet proof jacket stands on a roller scate . total mass is 80 kg a bullet of mass 20 g fired at 400 m/s it is stopped by jacket and falls on ground what is then velocity of men

Answer 1

Answer:

p =MV

• p=0.02*400=8

Linear momentum is conserved

8=80*v

0.1 m/s is the answer

Hope this helps

mark as brainliest

do follow....☺☺☺☺☺

Answer 2

Answer: Here just apply law of conservation of momentum

let v be velocity of men

80*v=400*(20/1000)

80*v=8

v= 0.1 m/s

please mark as brainliest and also push thanks button