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In an adventure movie, a 65.0-kg stunt woman falls 7.80 m and lands in a huge air bag. Her speed just before she hit the air bag was 11.1 m/s.
(a) What is the total work done on the stunt woman during the fall?
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(b) How much work is done by gravity on the stunt woman?
(c) How much work is done by air resistance on the stunt woman?
(d) Estimate the magnitude of the average force of air resistance by assuming it is constant throughout the fall.
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