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A 2.00 kg block is placed against a spring on a frictionless30.0 degree incline. The spring, whose spring constant is19.6N/cm is compressed 20.0 cm and then released.

a.) What is the elastic potential energy of the compressedspring?

b.) What is the change in the gravitational potential energyof the block-Earth system as the block moves from the release pointto its highest point on the incline?

c.) How far along the incline is the highest point from therelease point?

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