A box of mass 4 kg is resting on a table 1.5 m above the floor. There is also a ledge located 5 m above the floor. Find the gravitational potential energy of the box relative to the floor, and the gravitational potential energy of the box relative to the ledge.

Answer 1

mgh=4•9.8•1.5=...
mgH=4•9.8•6.5 =...

Answer 2

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