5kg objectis lifted from floor to shelf. the objects new gravitational potential energy relative to the...

Question

Question

5kg objectis lifted from floor to shelf. the objects new gravitational potential energy relative to the floor is 102J. what is height of the shelf?

science physics

Answer 1

Answer #1

The gravitational potential energy for an object on mass m with reference to ground level(zero potential energy) is defined as,

PE = mgh Joules

102 = 5 × 9.8 × h

h = 2.08 metre

Answer 2

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