Friday

July 25, 2014

July 25, 2014

Posted by **Jay** on Monday, April 1, 2013 at 4:57pm.

A. What is the kinetic energy of the stone when it is thrown?

B. What is the Potential energy of the stone relative to the ocean when it is first thrown?

C. What is the kinetic energy of the stone just as it hits the water?

D. What is the speed with which the stone hits the water?

- Physics -
**Elena**, Monday, April 1, 2013 at 5:03pm(a)KE=mv²/2

(b) PE=mgh

(c) KE1=KE+PE

(d) mv₁²/2= mv²/2+mgh

v₁= sqrt(v² +2gh)

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