Larry, who weighs in at 63 kg, climbs up a ladder to a height of 5.0 m. a. What is Larry's gravitational potential energy at the top of the ladder? Does Larry do work? How much work does Larry do?
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Answer:
gravitational potential energy or the work barry does can be given by the formula - mg(R+h)/(1+h/R)
Explanation:
In the above formula you can ignore h being very small in comparison to radius of earth R i.e. 5m to 6.4×10^6m.
The work barry does is same as the energy consumed by him to climp up the tree which is gravitational potential energy
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