college
posted by Anonymous .
a .215kg particle is released from rest at point A in a smooth hemisperical bowl of radius .30m with a height of 2/3R. what is the gravitational potential energy at A relative to B?

You want to know your gravitational potential energy at A to B, hence why you use mgh equation.
gpe= (o.215kg)(9.8m/s^2)(0.30m)
that's what you would do to answer this question.
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