eliphat7 eliphat7

17-10-2018
Physics

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An object has 100 J of kinetic energy and a mass of 2 g. How fast was it traveling?

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taibamah taibamah

17-10-2018

k.e = 1/2 mv²

v is speed

100 = 1/2 × 2 . v²

100 = both 2 cancel each other . v²

Taking square root on b/s

√100 = √v²

10 = v = speed

100

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