A System Consists of Two Particles: Particle 1,having the Mass

Multiple Choice

A system consists of two particles: particle 1,having the mass m₁ = 2.0 kg has the velocity, and particle having the mass m₂ = 5.0 kg has the velocity, The magnitude of the velocity of the center of mass of the system is

A) 0.92 m/s.
B) 1.2 m/s.
C) 2.9 m/s.
D) 3.7 m/s.
E) 4.1 m/s.