Question

♡ A plate of mass M is held in air by firing
bullets each of mass m
with same
Velocity in vertically upward direction. If
n bullets are fired per minute and each
bullet strikes the plate with speed v and
rebounds with half of the speed with which
it strikes the plate, then the speed with
which bullets are striking the plate is?
[ Take g as acceleration due to gravity]
A 40 Mg/mn
B 2Mg/3mn
C 120Mg/nm
D Mg/20mn​

Answer 1

Answer:

mg /20mn. is your answer..

Answer 2

Answer:

a) 40/mn is the answer to your question.