A 300-lb gorilla climbs a tree to a height of 20 ft. Find the work done if the gorilla reaches that height in the following times. (a) 10 seconds W = ft-lb (b) 5 seconds W = ft-lb

Question

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Answer 1

Let

m = 300 lb be the mass of the gorilla,

h = 20 ft be the height,

g = 32 ft/s² be gravitational acceleration.

Work is independent of of time, and is mgh.