Answer
(a) 392 N
(b) 88 pounds
Work Step by Step
(a) We can find the girl's weight in Newtons:
$weight = (40.0~kg)(9.80~m/s^2) = 392~N$
(b) We can convert from kilograms to pounds:
$40.0~kg \times \frac{2.2~lb}{1~kg} = 88~lb$
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