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21-02-2017
Biology

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what is the speed of a 48- kilogram dog running across a lawn with 216 joules of kinetic energy?

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Аноним Аноним

03-03-2017

The answer is 20.426 m/s. From the equation of Kinetic energy, KE = 1/2 mv^2. An equation for v can be computed using algebra. v^2 = (2KE)/ m then taking its square root this would yield an equation of sqrt ((2 KE) / m).

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