A 1500 kilogram wrecking ball hangs from a 20 meter long
A 1500 kilogram wrecking ball hangs from a 20 meter long cable. The ball is pulled back until the cable makes an angle of 17 degree with the vertical. Determine by how much has the gravitational potential energy of the ball changed?
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a 1500 kilogram wrecking ball hangs from a 20 meter long cable the ball is pulled back until the cable makes an angle
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