Things you can do to help decrease global warming include: * Keep your air conditioner on high
Turn off your lights when you're not using them
Keep your freezer door open
Eat more ice cream

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.)