# Physics

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An old Chrysler with mass 1900 kg is moving along a straight stretch of road at 48 km/h. It is followed by a Ford with mass 1500 kg moving at 65 km/h. How fast is the center of mass of the two cars moving?

m1v1 + m2v2= (m1+m2)vcm

solve for vcm

55.5

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