Homework Help: Physics

Posted by Melanie on Thursday, September 20, 2012 at 5:43pm.

A ball is thrown straight up and reaches a
maximum height of 6.71 m.

What was its initial speed? The accelera-
tion of gravity is 9.8 m/s2 .
Answer in units of m/s

please give right answer and explain how you got it, thanks !

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