Physics, 17.12.2020 21:20 drewdean5545
a skateboard rolls horizontally off the top of a staircase and lands at the bottom of the stairs. the staircase has a horizontal length of 15.0 m and the jump last 1.15s. what's the skater's vertical velocity upon landing
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a skateboard rolls horizontally off the top of a staircase and lands at the bottom of the stairs. th...
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