In addition what would the velocity of the center of mass of the car-truck syste

Question

In addition what would the velocity of the center of mass of the car-truck system be after the collision?

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A car of mass 1000 kg slides to the right along a horizontal (level) frictionless icy road with speed 6.0 m/s. A truck of mass 2000 kg slides to the lefttoward the car with an initial speed of 6.0 m/s. They collide. The total momentum of the car-truck system after the collision is 1 kg m/s. The velocity of the center of mass of the car- truck system before the collision is Ca m/s. Choose a coordinate system where to the right is positive and to the left is negative, and report each of your answers as positive or negative numbers. Please provide your answer below, and click "Exit & Save inside the Actions menu to submit your exam 1. 6000 2.0

Explanation / Answer

Let the velocity is v m/s

3000*v=1

We got v=-1/3000 m/s =-0.000333 m/s

Velocity to left is negative so negative sign after collision

Before collision

Let the centre of mass have velocity= v

3000v=-6000

v=-2 m/s

Initial momentum=-6000

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