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pishuonlain [190]
3 years ago
15

A 5 kg rock is raised 28 m above the ground level. What is the change in its potential energy?

Physics
1 answer:
marin [14]3 years ago
3 0
Let's assume that ground level is the height 0 meters. The change in potential energy is going to be gravitational potential energy, which is given by PE=mgh.
ΔPE=mgh-mgy
=mg(h-y)
=50(28-0)
=1400 J
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