(a) A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. The acceleration of the ast

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(a) A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. The acceleration of the ast

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A A Helicopter Lifts A 72 Kg Astronaut 15 M Vertically From The Ocean By Means Of A Cable The Acceleration Of The Ast 1
A A Helicopter Lifts A 72 Kg Astronaut 15 M Vertically From The Ocean By Means Of A Cable The Acceleration Of The Ast 1 (99.93 KiB) Viewed 24 times
(a) A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. How much work is done on the astronaut by (a) the force from the heli- copter and (b) the gravitational force on her? Just before she reaches the helicopter, what are her (c) kinetic energy and (d) speed?
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