a rock is dropped from a 20.0m bridge falls into the river below.

a.)at whqat velocity does it strike the water?

b.)how much time did the rock take to reach the water?

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1. 11th grade is NOT the School Subject. Select that carefully so the right teacher will read and answer your post. Math, perhaps?

http://search.yahoo.com/search?fr=mcafee&p=how+to+figure+velocity

Sra

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