A roller coaster is at the top of a 67.5 m hill and has a mass of 1750 kg. What is the coaster's potential energy?
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Answer:
potential energy = mgh
h = 67.5m
m = 1750kg
g = 9.8m/s²
=> 67.5 × 9.8 × 1750
=> 1157625 J
=> 1157.625 or 1157.63 KJ
hope it helped :)
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