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
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Answer:
hahejeudnd bhim 582825532(393763&2)2/27273-:₹"6372-&353+27218262(
Explanation:
+-#H262777393036252(38935242)2+3)(+3739272533(3+38929227636379163)
i don't know ans