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A Block on a Frictionless Surface and a Compressed Spring

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A 1.9kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall. The initial height of the block is 0.40m above the lowest part of the slide and the constant is 387N/m.

1) What is the speed of the block at a height of 0.25m above the base of the slide?
2) How far is the spring compressed?
3) The spring sends the block back to the left. How high does the block rise?

Please see the attached document for a diagram.

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The speed of the block on a frictionless surface and its distance from a compressed spring is deduced.

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