Physics

Problem

Two point masses rest on a frictionless straight track. Mass

m_1=3\,\text{kg}

is at

x=0\,\text{m}

and mass

m_2=5\,\text{kg}

is at

x=4\,\text{m}

. The two masses slide together and latch, forming a single object. What is the position of the center of mass of this combined object, measured from the origin? a)

2.0\,\text{m}

2.5\,\text{m}

1.5\,\text{m}

3.0\,\text{m}

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