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Physics 14 Online
OpenStudy (anonymous):

A stone of mass 0.55 kilograms is released and falls to the ground. Measurements show that the stone has a kinetic energy of 9.8 joules at the point of impact with the ground. What is the stone's velocity when it hits the ground?

OpenStudy (souvik):

kinetic energy=1/2mv^2 where m=mass and v=velocity

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