A force of `2 hati + 3 hatj + 4 hatk N`acts on a body for `4` second and producesa d

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A force of `2 hati + 3 hatj + 4 hatk N`acts on a body for `4` second and producesa displacement of `(3 hati + 4 hatj + 5 hatk)m`. The power used is
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