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Recall activity 3.3 (a cart on a track with a hanging weight over a pulley). This...

Recall activity 3.3 (a cart on a track with a hanging weight over a pulley). This problem involves a similar setup, but with an inclined track. The track is at an angle of 15degrees, the cart has a mass of 500.g, the hanging mass is 150.g, and the system starts at rest. Once released: What is the change in kinetic energy and potential energy for the cart and the hanging mass after the cart rises 0.75m up the ramp? What is the change in total mechanical energy of the system?

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