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Problem: A 0.620 kg snowball is fired from a cliff 13.7 m high. The snowball's initial velocity is 19.3 m/s, directed 33.0° above the horizontal.
Part A: What is the change in the gravitational potential energy of the snowball-Earth system during the flight?
I need help to find the change in the gravitational potential energy of the snowball-Earth system during the flight.
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