Homework Help: Physics

Posted by Vanessa on Wednesday, September 21, 2011 at 7:48pm.

A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s.
What will the ball’s velocity be when it returns to its starting point? The acceleration of gravity is 9.81 m/s^2.

Answer in units of m/s

Physics - Squall Leonheart, Wednesday, September 21, 2011 at 7:52pm
+7.0 m/s. Throwing something is always parabolic; when the ball reaches the distance it began at (remember, it peaks at velocity = 0 m/s) it has the original velocity.

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