February 23, 2017

Homework Help: Physics - Free Fall

Posted by Brianna on Sunday, November 14, 2010 at 12:03pm.

A stone was thrown into the air and returned after 4.2 seconds.

a) At what speed was the stone thrown? (20.6) <- i got that right.

b) How high did the stone go? (21.6 m)

i don't know how to get b. what steps do i do?

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