A 50-cm-diameter, 400 g beach ball is dropped with a 4.0
Chapter 7, Problem 7.81(choose chapter or problem)
A 50-cm-diameter, 400 g beach ball is dropped with a 4.0 mg ant riding on the top. The ball experiences air resistance, but the ant does not. What is the magnitude of the normal force exerted on the ant when the balls speed is 2.0 m/s?
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