A 16.8 kilogram boy is riding in a 4.5 kilogram wagon. A 12 kilogram girl pushes the wagon and exerts a constant force of 2.6 newtons over a distance of 3.5 meters. How much work in joules is done by the girl pushing the wagon?
W) 0.26
X) 9.1
Y) 66.4
Z) 127
✔️Answer:X) 9.1
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