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A 60-cm-diameter, 500 g beach ball is dropped with a 4.0 mg ant riding on the...

A 60-cm-diameter, 500 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.

Part A What is the magnitude of the normal force exerted on the ant when the ball's speed is 4.0 m/s? Express your answer with the appropriate units.

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