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OpenStudy (anonymous):
4. What is the gravitational potential energy of the tennis ball at the top of each hill? (mass of a tennis ball is approximately .057 kg) Hint: Remember to convert centimeters to meters. We made a wannabe rollercoaster and I am kind-of confused on how to do this so will someone please help me? First : 47 cm Second : 30 cm Third: 20 cm.
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OpenStudy (anonymous):
Gravitational potential energy is approx. \(U=mgh\) near the surface of the Earth.
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