Physics, 21.01.2020 03:31 ayoismeisalex
A77 g frisbee is thrown from a point 0.99 m above the ground with a speed of 15 m/s. when it has reached a height of 1.3 m, its speed is 12 m/s. what was the reduction in the mechanical energy of the frisbee-earth system because of air drag?
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