How fast did nicole throw the ball

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Q. Nicole throws a ball straight up. Chad watches the ball from a window 5.60m above the point where Nicole released it. The ball passes Chad on the way up, and it has a speed of 13.0m/s as it passes him on the way back down. How fast did Nicole throw the ball?

Q. A 50.0- hard-boiled egg moves on the end of a spring with force constant . It is released with an amplitude 0.300 . A damping force acts on the egg. After it oscillates for 5.00 , the amplitude of the motion has decreased to 0.100.

Reference no: EM1352581

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