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Calculate the kinetic energy of a tennis ball that has a mass of .056 kg and is moving at a speed of 44 m/s

Sagot :

Loneguyidn

[tex]\text{Kinetic energy,}\\\\E_k = \dfrac 12 mv^2\\\\~~~~~=\dfrac 12 \times 0.056 \times 44^2\\\\~~~~~=54.208~J[/tex]

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