Calculate the kinetic energy of body of mass $2.5 k g$ moving with a velocity $0.2 m / s$ .

0.5 J

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0.05 J

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1 J

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0.008 J

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Solution

The correct option is B $0.05 J$
In this case, a body of mass $2.5 k g$ is moving with a velocity $0.2 m / s$ .
K.E = $\frac{1}{2} m v^{2} = \frac{1}{2} \times 2.5 \times {0.2}^{2} = 0.05 J$ .
Hence, the potential energy of the body is 0.05 J

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