For a system of three particles moving along a line, an observer in a laboratory measures the following masses and velocities. What is the velocity of the CM of the system? Enter a positive value if the velocity of the CM of the system is in the +x direction and enter a negative value if the velocity of the CM of the system is in the –x direction. Mass (kg) vx (m/s) 3.00 290 5.0 −120 2.0 +52

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