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An old Chrysler with a mass of 2500 kg is moving along a straight stretch of road at 84 km/h. It is followed by a Ford with a mass of 1300 kg moving at 58 km/h. How fast is the center of mass of the two cars moving?

Answer :

Answer:

vcm = 75.1052631579 km/ h

Explanation:

Center of mass is the point where the mass of a system is equally distributed .

m1 = mass of the Chrysler

v1 = velocity of the Chrysler

m2 = mass of the Ford

v2 = velocity of the Ford

vcm = velocity center mass

vcm = (m1 × v1 + m2 × v2) / m1 + m2

m1 = 2500 kg

m2 = 1300 kg

v1 = 84 km/h

v2 = 58 km/h

vcm = (2500 × 84 + 1300 × 58)/ 2500 + 1300

vcm = (210000 + 75400)/

3800

vcm = 285400

/3800

vcm = 75.1052631579 km/ h

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