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a 28 kg rifle bullet at an unknown velocity buries itself in a 3.6-kg pendulum hanging on a 2.8-m long string, which makes the pendulum swing upward in a 25 degree arc. what was the speed of the bullet prior to impact with the pendulum
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Question: A rifle with a barrel length of 57 cm fires a 11 g bullet with a horizontal speed of 370 m/s . The bullet strikes a block of wood and penetrates to a depth of 12 cm . 1- What resistive force (assumed to be cons ...
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