Physics, 15.01.2020 19:31 joelpimentel
A4000 kg elevator rises from the basement to the top of a100-m tall building. which of the following is closest to the network done on the elevator as it rises through the middle 20m of itstrip at a constant velocity? use g=10m/s^2.
a.) 800,000 j
b.) -800,000j
c.) 80,000 j
d.) -80,000j
e.) 0 j
Answers: 1
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