How much elastic potential energy was stored in spring

Reference no: EM13711674

Problem: A 0.30-kg cart and a 0.16-kg cart are held together with a compressed spring between them. When they are released, the 0.30-kg cart moves at 1.1 m/s to the right.

Part A: How much elastic potential energy was stored in the spring before the release?

Can someone please explain what the heck is going on?

Reference no: EM13711674

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