A body of mass 2 kg. moving with a velocity of 3 m/s collides head on with a body of mass 1 kg moving in opposite direction with a velocity of 4 m/s. After collision, two bodies stick together and move with a common velocity which in m/sec is equal to

Options :
  1. 1/4
  2. 3/2
  3. 2/3
  4. None of the above
Answer and Explanation :-

Answer: Option 3

Explanation:

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Everyone is in such a hurry. People haven't found meaning in their lives, so they're running all the time looking for it. They think the next car, the next house, the next job. Then they find those things are empty, too, and they keep running. Once you start running, it's hard to slow yourself down.
-Mitch Albom