ch07-p008 - 8. Eq. 7-8 readily yields W = Fx x + Fy y =(2.0...

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8. Eq. 7-8 readily yields W = F x Δ x + F y Δ y =(2.0 N)cos(100º)(3.0 m) + (2.0 N)sin(100º)(4.0 m) = 6.8 J.
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