Answer: A ball is thrown straight upward and returns to
Chapter 3, Problem 3.3.56(choose chapter or problem)
A ball is thrown straight upward and returns to the throwers hand after 3.00 s in the air. A second ball thrown at an angle of 30.0 with the horizontal reaches the same maximum height as the first ball. (a) At what speed was the first ball thrown? (b) At what speed was the second ball thrown?
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