Answered

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a ball has the speed of 4.0 m/s and a kinetic energy of 16 joules. what is the mass of the ball?

Sagot :

NusrathC

Explanation:

[tex]ke = \frac{1}{2} m {v}^{2} \\ m = \frac{2ke}{ {v}^{2} } \\ = \frac{2 \times 16}{ {4}^{2} } = 2kg[/tex]

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