Bullets of 0.03 kg mass each hit a plate at the rate of 200 bullets per second, with a velocity of 50 m/s and reflect back with a velocity of 30 ms –1 . The average force acting on the plate in Newton is –
Text Solution
Verified by ExpertsThe correct answer is:
D
P = m (v 1 + v 2 ) = 0.03 (50 + 30) = 2.4 Ns
F = 2.4 × 200 = 480 N
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