A rescue helicopter lifts a 75 kilogram person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2 and is lifted from rest through a distance of 12 meter.
(a) Determine what is the tension in the cable?
N
(b) Determine how much work is done by the tension in the cable?
J
(c) Determine how much work is done by the person's weight?
J
(d) Use the work-energy theorem and determine the final speed of the person.
m/s