Posted by **Vanessa** on Wednesday, September 21, 2011 at 9:50pm.

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

AND How long will the ball take to reach its starting

point?

Answer in units of s

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