How much work has gravity done on her

Reference no: EM13492444

A 625 kg woman climbs a staircase that rises at 48 degrees above the horizontal and is 4.25 m long. Her speed is a constant 40.0 cm/s .

a) How much has the gravitational potential energy increased by her climbing the stairs?

b) How much work has gravity done on her as she climbed the stairs?

Reference no: EM13492444

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