haileyelmore4254 haileyelmore4254

21-11-2022
Physics

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a massless spring whose stiffness is 3500 n/m is used to launch a 4 kg block (that is not attached to the spring!) straight up. the spring is initially compressed 0.2 m, and the block is initially at rest. when the block is 1.5 m above its starting position, what is its speed?

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