# Physics

Determine the acceleration of a 1500 kg automobile that rolls down an incline of 30° from the horizontal if a coefficient of friction between the tires and the incline is 0.12

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1. fricton force : mgCosTheta*mu
gravity force: mg*sinTheta

netforce=mg
mg(sinTheta-mu*CosTheta)=ma
solve fodr acceleartion a.

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2. a=3.88

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