9. Exercises

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===Exercise 9.1===
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A parachutist is falling vertically at a constant speed. He has mass 80 kg. Find the magnitude of the upward force acting on the parachute.
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Revision as of 13:42, 14 September 2009

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Exercise 9.1

A parachutist is falling vertically at a constant speed. He has mass 80 kg. Find the magnitude of the upward force acting on the parachute.