Physics, 30.04.2021 02:50 aaronpmoore1010

1.An 80 kg firefighter climbs the stairs to the roof of a 20 m high building. what is the increase in potential energy.
2. A 100 kg mountaineer climbs a 30 m high mountain. what is its increase in potential energy.
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1.An 80 kg firefighter climbs the stairs to the roof of a 20 m high building. what is the increase...