A helicopter lifts a 61 kg astronaut 13 m vertically from

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A helicopter lifts a 61 kg astronaut 13 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/13. How much work is done on the astronaut by (a) the force from the helicopter and (b) the gravitational force on her? Just before she reaches the helicopter, what are her (c) kinetic energy and (d) speed?

Reference no: EM13618390

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