Question
2. A 75.0-kg painter climbs a ladder that is 2.75 m long leaning against a vertical wall. The ladder makes a 30.0° angle with the wall.
(a) How much work does is done by gravity on the painter?
(b) Does the answer to part (a) depend on whether the painter climbs at constant speed or accelerates up the ladder?
(a) How much work does is done by gravity on the painter?
(b) Does the answer to part (a) depend on whether the painter climbs at constant speed or accelerates up the ladder?
Answers
bobpursley
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