Homework Help: physics

Posted by Alyssa on Wednesday, October 6, 2010 at 4:47pm.

If you throw a ball straight upward at a speed of 11 m/s, How long will it take to return to its starting point?

physics - bobpursley, Wednesday, October 6, 2010 at 4:50pm
hf=hi+Vi*t-4.9t^2 solve for t
hf=hi
physics - Alyssa, Wednesday, October 6, 2010 at 6:47pm
what does hi mean ?
physics - Alyssa, Wednesday, October 6, 2010 at 6:58pm
what does hi mean ?

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