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Physics, 05.11.2020 22:00 kolibeilfuss

A student on the balcony of his apartment building (height of 10 m) launches a tennis ball straight up at a velocity of 29.4 m/s. What is the ball's speed when it reaches the sidewalk below?

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A student on the balcony of his apartment building (height of 10 m) launches a tennis ball straight...
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