How much is the spring compressed by in the following case: A 2 kg disk falls from a height of 20 m and lands on a compressible spring with a spring constant of 10 N/m.

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When the disk falls from a height on a spring, the potential energy that was stored in the disk due to its being at a height is converted to potential energy stored in the spring due to it being in a state of compression.

The total energy in the system remains the same (assuming...

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