Question

A system consists of two particles. The first particle has mass m1 = 2.0 kg and...

A system consists of two particles. The first particle has mass m1 = 2.0 kg and a velocity of (-5.0 i+1.0j) m/s, and the second particle has mass m2 = 1.00 kg and a velocity of (1.0i - 5.0j)    m/s. A:) What is the velocity of the center of mass of this system?  
B:) what is the total momentum of this system?

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Answer #1

The velocity of center of mass is given by

Where   

Where is mass of the particle, and is tthe velocity of particle.

For the given problem,

(in m/s)

This is the velocity of center of mass of the system.

(B)

And the momentum of the system is

(in kg.m/s)

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