Question

A ball is thrown straight upward and returns to the thrower's hand after 2.50 s in...

A ball is thrown straight upward and returns to the thrower's hand after 2.50 s in the air. A second ball is thrown at an angle of 25.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically? m/s

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