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Q1. Two forces, F1 and F2, act at a point. F1 has the magnitude of 9.20 N and is directed at an angle of 57.0 above the negative x axis in second quadrant. F2 has a magnitude of 6.20 and is directed at an angle of 53.6N below the negative x axis in third quadrant. What is the x component of resultant force?

Q2. The truck slows down uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making skid marks 62.40 m long that end at the tree. With what speed does truck then strike the tree?

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