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A 1 kg cork ball is dropped from the height of 2 meters on a spring...

A 1 kg cork ball is dropped from the height of 2 meters on a spring with K = 350 N/m that is placed vertically right underneath the cork ball. If the spring is 0.5 kg and the collision is completely inelastic,

(a) How much energy will be stored in the spring?

(b) How much will the spring be compressed?

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