A body of mass M collides against a wall with a velocity v and retraces its path with the same speed. The change in momentum is

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

Answer: Option 2

Explanation:

Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : A gun fires a bullet of mass 50 gm with a velocity of 30 m/s. Because of this the gun is pushed back...

Next Question : The wind power potential of India is

Click here for online test on Work Power and Energy

Responses


By: kush On: Mar/27/2015

pls xplain

Like this response? Click to vote up 0 0


 (Getemail alerts when others member replies)







I stop stretching and face him, unwilling to back down from this visual standoff. I'm not going to let him perform his little Jedi mind tricks on me, no matter how much I wish I could perform them on him. He's completely unreadable and even more unpredictable. It pisses me off.
-Colleen Hoover Hopeless