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A body of mass 2 kg is at rest. A force of 4i + 3j – 5k N acts on it and displaces through 2i + j + 2k m. The velocity acquired by the body is …..m s^-1

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Detailed Solution

W = F . S = $\frac{M V^{2}}{2}$

$\frac{2 v^{2}}{2} = 4 x 2 + 3 x 1 - 5 x 2$

SO V = 1 ms^-1

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