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7) A 0.2 kg mass is dropped from a 10 m high building on top of a spring that is placed vertically. It stops after moving 9.2 meters down and stops 0.8 meters above the ground while compressing the spring by 0.5 meters. What is the spring coefficient if air resistance is negligible?
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7) A 0.2 kg mass is dropped from a 10 m high building on top of a spring that is placed vertically....
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