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Ul WORK. How deep is the well? (answer: 44.9 m) 6. A spring is compressed 3.25 cm by a 105 N force. (a) How much

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Ul WORK. How deep is the well? (answer: 44.9 m) 6. A spring is compressed 3.25 cm by a 105 N force. (a) How much potential energy is stored in the spring? (b) What is the spring constant? (answers: a) 3.41 J) b) 6461.54 N/m 7. A 1000 kg wrecking ball hangs from a 15 m long cable. The ball is pulled back until the cable makes angle of 25' with the vertical By how much has the gravitational potential energy of the ball changed

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