Standing on the roof of a (42.0+A) m tall building, you throw a ball straight up with an initial speed of (14.5+B) m/s. If the ball misses the building on the way down, how long will it take the ball to land on the ground below? Give your answer in seconds and round the answer to three significant figures. A=14 B=5
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Standing on the roof of a (42.0+A) m tall building, you throw a ball straight up with an initial spe...
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