February 20, 2017

Homework Help: high school grade 3

Posted by farnoosh on Tuesday, December 20, 2011 at 6:00am.

if drop down an stone -that it is like a ball- into the slush and if it was soft enough, stone come into the slush in some distance, if throw it away from a certain height to comes into slush and if we want stone to come into slush 2 times more than before, from what hight should we throw it away?

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