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السلام عليكم ورحمة الله وبركاته. صباح الخيرات
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واخيرا
5kg ball of putty moving to the right has a head-on inelastic collision with a 1kg putty ball moving to the left both coming to a full stop after the collision . what were the relative speeds of the balls before they collided?
ووفقكم الله لما يحب ويرضى