# physics

A 1.70 kg ball is attached to a ceiling by a 1.50 m long string. The height of the room is 3.36 m.
The acceleration of gravity is 9.81 m/s2 .
What is the gravitational potential energy associated with the ball relative to
a) the ceiling? Answer in units of J
b) the floor?
c) a point at the same elevation as the ball? Answer in units of J

1. 👍 0
2. 👎 0
3. 👁 171
1. a. it has mg(1.50) PE less that at the ceiling
b. it has mg(3.36-1.50) PE more than at floorlevel.
c. at the same mpoint it has the same PE

1. 👍 0
2. 👎 0

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