Engineering Mechanics - KOP: Work and Energy - Discussion

Discussion :: KOP: Work and Energy - General Questions (Q.No.3)


When at A the bicyclist has a speed of vA = ft/s. If he coasts without pedaling from the top of the hill at A to the shore of B and then leaps off the shore, determine his speed at B and the distance x where he strikes the water at C. The rider and his bicycle have a total weight of 150 lb. Neglect the size of the bicycle and wind resistance.

[A]. vB = 35.0 ft/s, x = 41.2 ft
[B]. vB = 35.0 ft/s, x = 36.1 ft
[C]. vB = 40.1 ft/s, x = 46.5 ft
[D]. vB = 40.1 ft/s, x = 52.0 ft

Answer: Option A


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