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Physics, 22.12.2020 01:00 bethania26

If it takes 7.4 s to run up the stairs at your house, and you run an average speed of 1.2 m/s, how tall is your staircase?

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If it takes 7.4 s to run up the stairs at your house, and you run an average speed of 1.2 m/s, how t...
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