Gravitational Potential Energy Video Lessons

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Problem: A 1100kg wrecking ball hangs from a 14m -long cable. The ball is pulled back until the cable makes an angle of 30.0° with the vertical.By how much has the gravitational potential energy of the ball changed?

FREE Expert Solution

Change in potential energy:

PE=mgh

Height, h = L - L cosθ

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Problem Details

A 1100kg wrecking ball hangs from a 14m -long cable. The ball is pulled back until the cable makes an angle of 30.0° with the vertical.
By how much has the gravitational potential energy of the ball changed?

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