A block on a horizontal surface with negligible friction is placed in contact with an ideal spring,…

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A block on a horizontal surface with negligible friction is placed in contact with an ideal spring, as shown above. The block is moved to the left so that the spring is compressed a distance x from equilibrium and then released from rest. The block has kinetic energy K1 when it separates from the spring. When the spring is compressed a distance 2x and the block is released from rest, the kinetic energy of the block when it separates from the spring is: K1/2 12K1 2K1 4K1

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  1. Jerry Trevor
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