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A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to

Description
Apply the law of conservation of momentum. mcvc :7 mpvp (500 kg)v[ : 7 (4.0 kg)(500 m/s) 2000 kg m/s v” I 500 kg : 7 4 m/s Here, the negative sign indicates the opposite direction.
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