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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. θ = ° (counterclockwise from the +x-axis)
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OpenStudy (mertsj):
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