Physics, 24.08.2019 03:30 danielwu462
On a cold winter day, a penny (mass 2.50 g) and a nickel (mass 5.00 g) are lying on the smooth (frictionless) surface of a frozen lake. with your finger, you flick the penny toward the nickel with a speed of 2.25 m/s . the coins collide elastically; calculate both their final speeds. what are the directions of their final velocities, opposite or the same?
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On a cold winter day, a penny (mass 2.50 g) and a nickel (mass 5.00 g) are lying on the smooth (fric...
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