Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, t
he first having a mass of 150,000 kg and a velocity of 0.300 m/s, and the second having a mass of 110,000 kg and a velocity of (-0.12 m/s). What is their final velocity?
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- Mass=1167kg
- Initial velocity=u=10m/s
- Acceleration=a=4m/s^2
- Work done=105J=W
- Final velocity=v=?
- Force=F
- Distance=d
Apply Newton's second law
Now
Now
- d be s
According to third equation of kinematics