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78) A quarter with a diameter of 2.5cm, a width of 0.2cm, and a mass of...

78) A quarter with a diameter of 2.5cm, a width of 0.2cm, and a mass of 5.7g rests at the bottom of a 2.5-m deep
pool. (a) Draw a force diagram showing all of the forces being exerted on the quarter and (b) determine the
magnitudes of all forces exerted on the quarter.

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