A rescue helicopter lifts a 85 kg person straight up by, Physics

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A rescue helicopter lifts a 85 kg person straight up by

A rescue helicopter lifts a 85 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s^2 and is lifted from rest through a distance of 7 m.

A) What is the tension in the cable? (answer in N)

B) How much work is done by the tension in the cable? (answer in J)

C) How much work is done by the person's weight? (answer in J)

D) Use the work-energy theorem and find the final speed of the person. (answer in m/s)

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