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Solve the Problem F\mathrm { F } Of a Car Traveling Up or Down a Hill Is

question 123

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Solve the problem.
-The grade resistance F\mathrm { F } of a car traveling up or down a hill is modeled by the equation F=Wsinθ\mathrm { F } = \mathrm { W } \sin \theta , where WW is the weight of the car and θ\theta is the angle of the hill's grade (θ>0( \theta > 0 for uphill travel, θ<0\theta < 0 for downhill travel) . What is the grade resistance (to the nearest pound) of a 2500lb2500 - \mathrm { lb } car traveling downhill on a 66 ^ { \circ } grade (θ=6) \left( \theta = - 6 ^ { \circ } \right) ?


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