Physics, 05.01.2021 23:30 ShawnSaviro4918
A kid decides to run up the down escalator. The escalator is moving down at I m/s and the kid is running up at 2 m/s. What does his speed appear to be to a person watching?
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A kid decides to run up the down escalator. The escalator is moving down at I m/s and the kid is run...
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