What is the mass of an object that is moving at 8.0 m/s and has 70.0 J of kinetic energy?

asked Aug 3, 2023 97.2k views

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Step-by-step explanation:

$ke = (1)/(2) * m * {v}^(2 ) \\ m = \frac{2 * ke}{ {v}^(2) } \\ m = \frac{2 * 70.0}{ {8}^(2) } \\ m = (140)/(64) = 2.1875$

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