A boy in a wheelchair (total mass 47.0 kg) has speed1.40 m/s at the crest of a slope
Chapter 8, Problem 19(choose chapter or problem)
A boy in a wheelchair (total mass 47.0 kg) has speed1.40 m/s at the crest of a slope 2.60 m high and 12.4 mlong. At the bottom of the slope his speed is 6.20 m/s.Assume air resistance and rolling resistance can bemodeled as a constant friction force of 41.0 N. Find thework he did in pushing forward on his wheels duringthe downhill ride.
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