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A ball is thrown at an initial angle of 57° relative to the horizontal with an initial velocity of 32 m/s reaches some maximum height h. With what initial speed must another ball be thrown straight upward to reach the same maximum height h?

A. 32 m/s
B. 17.4 m/s
C. 26.8 m/s
D. 16.8 m/s
E. 43.2 m/s

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