5) What advice would you share with your colleagues about the​ pandemic

Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot