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August 30, 2014

Homework Help: Physics

Posted by Erin on Saturday, October 1, 2011 at 6:06pm.

You shoot an arrow into the air. 2.oo seconds later the arrow has gone straight upward to a height of 30 meters above its launch point. (a) What was the arrow's initial speed? (b) How long did it take for the arrow to first reach a height of 15 meters above it's launch point?

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