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| A football is thrown with an initial upward velocity component of 15.0 m/s and a horizontal velocity component of 18.0 m/s. (a) How much time is required for the football to reach the highest point in its trajectory? (b) How high does it get above its release point? (c) How much time after it is thrown does it take to return to its original height? How does this time compare with what you calculated in part (a)? Is your answer reasonable? (d) How far has the football traveled horizontally from its original position?
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