What is the speed of the block immediately after the bullet exits?
A 3.2kg block of wood sits on a table. A 3.0g bullet, fired horizontally at a speed of 400 m/s , goes completely through the block, emerging at a speed of 180 m/s . By the law of momentum conservation:- =>m1u1 + m2u2 = m1v1 + m2v2 =>0 + 3 x 10^-3 x 400 = […]
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