A 3874-kg rollercoaster is brought to the top of a 42m hill in 40 seconds, then drops 28m before the next hill.
a) How much work is required to get the coaster to the top of the first hill?
b) What power is required to bring the train to the top of the first hill?
c) How much PE is lost when the coaster drops?
d) How much PE is left at the bottom?
Answers: 2
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A 3874-kg rollercoaster is brought to the top of a 42m hill in 40 seconds, then drops 28m before the...
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