A 2.94 kg ball is attached to a ceiling by a
1.88 m long string. The height of the room is
5.05 m .
The acceleration of gravity is 9.8 m/s2 .
What is the gravitational potential energy
associated with the ball relative to the ceiling?
Answer in units of J
What is its gravitational potential energy rel-
ative to the floor?
Answer in units of J
What is its gravitational potential energy rel-
ative to a point at the same elevation as the
ball?
Answer in units of J