February 22, 2017

Homework Help: Physics

Posted by chris on Tuesday, February 5, 2013 at 7:07pm.

A ball is thrown straight upward and returns to the thrower’s hand after 2 s in the air. A second ball is thrown at an angle of 38 degrees with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically? The acceleration of gravity is 9.8 m/s2.
Answer in units of m/s

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