1.

A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g10. How much work is done on the astronaut by the force from the helicopter ?

Answer»

A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g10. How much work is done on the astronaut by the force from the helicopter ?



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