Homework Help: physics

Posted by mb on Friday, September 26, 2008 at 8:27am.

A student atands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0 m above flat, horizontal beach. With what speed of impact does the stone land?

physics - bobpursley, Friday, September 26, 2008 at 8:52am
What is the initial KE? What is the initial PE?

FinalKE=intialPE+initialKE
physics - mb, Friday, September 26, 2008 at 9:38am
how does that help mee???

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