Physics, 22.06.2021 14:50, hartzpeyton136

A cyclist and bicycle have a combined mass of 90 kg. Starting from rest, the cyclist rides down a 10 m high hill and up a 7 m high hill without pedaling the bicycle.
What is the potential energy of the cyclist and bicycle at the top of the 7 m hill with respect to the bottom of the 7 m hill?

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A cyclist and bicycle have a combined mass of 90 kg. Starting from rest, the cyclist rides down a 10...