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Physics 7 Online
OpenStudy (anonymous):

A roller-coaster car moves 202 ft horizontally and then rises 131 ft at an angle of 30° above the horizontal. It then travels 131 ft at an angle of 40° downward. What is its displacement from its starting point? Use graphical techniques. (Do this on paper. Your instructor may ask you to turn in this work.) d = ft θ = ° (counterclockwise from the +x-axis)

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