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oloef
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Let the velocity of the (bullet+pendulum) is v m/s after the collision, =>By the law of energy conservation:- =>PE(final) = KE(initial) =>mgh = 1/2mv^2 =>v = √2gh =>v = √[2 x 9.8 x 0.386] =>v = 2.75 m/s Let the velocity of the bullet before the impact