February 25, 2017

Homework Help: Physics

Posted by Physics on Sunday, July 5, 2009 at 5:38pm.

A ball is thrown horizontally from the roof of a building 9.0 m tall and lands 8.5 m from the base. What was the ball's intial speed?

I have no idea how to do this problemm or what formulas to use because of the fact that I do not know the time interval it took to fall. Sense it's asking for the intial speed it implies that there was one. Also does one need to find the inital speed in both the y axes and x axes?

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