Answer
Please see the work below.
Work Step by Step
(a) We know that
$P=\frac{W}{t}$
$P=\frac{Fd}{t}$
$P=F(\frac{d}{t})$
$P=Fv$
We plug in the known values to obtain:
$P={45}*{0.29}=13W$
(b) We know that
W=Pt
We plug in the known values to obtain:
$W=(13)(60)=780J$
