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April 19, 2014

Homework Help: ap physics

Posted by Zoe on Saturday, March 22, 2008 at 2:19pm.

I need some help with the following problems. I got no idea how to do it...PLEASE HELP!!!!THANKS A LOT!!

A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. He fires a gun and , after a while, hears three echoes. The second echo arrives 1.6s after the first, and the third echo arrives 1.1s after the second. Assuming that the speed of sound is 343m/s and that there are no reflections of sound from the ground, find the distance between the cliffs.

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