Question #3d83f

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Answer 1 · 2016-11-12T09:00:11

10.25 W

In vector notation, work done is defined as:

$W=vecF.vecS$

So by definition power is:

$P=(vecF.vecS)/t$

we are given $vecF$ and $vecS$ . The dot product is:

$=(4*3)+(7*2)+(-3*-5)=12+14+15=41 J$

So $power = 41/4=10.25 W$