Physics, 05.05.2020 06:12 layshjjbradshaw7250
Imagine that you are working as a roller coaster designer. You want to build a record- breaking coaster that goes 70 m/sec at the bottom of the first hill. you estimate that the efficiency of the tracks and cars you are using is 90%. How high must the first hill be?
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Imagine that you are working as a roller coaster designer. You want to build a record- breaking coas...
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