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April 23, 2014

April 23, 2014

Posted by **sammi** on Monday, July 29, 2013 at 1:34pm.

that is 3.2 m above the water. Find the speed with which she enters the water, assuming

completely vertical motion.

- physics -
**Elena**, Monday, July 29, 2013 at 5:42pmmv₀²/2= mgh

h= v₀²/2g

mg(H+h) = mv²/2

mgH +mv₀²/2 = mv²/2

v=sqrt{ v₀² +gH} =

= sqrt{1.7²+9.8•3.2} = 5.85 m/s

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