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A mass of 5 kg is compressed 3.9 meters into one spring, held still, and released...

A mass of 5 kg is compressed 3.9 meters into one spring, held still, and released from rest. It travels over a horizontal surface, up an incline which has a height (not length) of 5 meters, and then travels over another horizontal surface. At the end of that surface is another spring with the same spring constant. The mass hits the second spring and eventually stops after compressing it 2.3 meters. What is the elastic potential energy of the second spring when it is fully compressed by the mass in Joules? No surfaces have friction.

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