A rifle of 20 kg mass can fire 4 bullets per second. The mass of each bullet is 35×10−3kg and its final velocity is 400ms−1 . Then what force must be applied on the rifle so that it does not move backwards while firing the bullets
Added by Mia M.
Step 1
Given: Mass of rifle, M = 20 kg Mass of each bullet, m = 35 x 10^-3 kg Number of bullets fired per second, n = 4 Velocity of each bullet, v = 400 m/s Total momentum before firing = (M + n*m) * 0 = 0 Show more…
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