By how much has the gravitational potential energy of the ball changed?
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A 1100 wrecking ball hangs from a 14 -long cable. The ball is pulled back until the cable makes an angle of 30.0 with the vertical.
A 1500 wrecking ball hangs from a 16 -long cable. The ball ispulled back until the cable makes an angle of 23.0 with thevertical By how much has the gravitational potential energy of theball changed?
A soccer ball flying through the air in free fall at some height above the ground has a kinetic energy of and gravitational potential energy relative to the ground of . Later, the ball has moved to a different position where its kinetic energy is . What is the gravitational potential energy of the ball relative to the ground at this second location in SI units?