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Question: energy conservation...

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Conservation of Energy 5- The 7.5-kg cylinder is released from rest in the position shown and compresses the spring of stiffness k-0.8kN/m. Determine the maximum compression xmar of the spring. 257 mm) 100 s 6- The 6-lb ball is fired from a tube by a spring having a stiffness k 20 lb/in Determine how far the spring must be compressed to fire the ball from the compressed position to height of 8 ft, at which point it momentarily has a velocity of 6 fi/s. 17.85 in)

energy conservation

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