A tennis ball dropped from a height of 2m rebounds only 1.5 m after hitting the ground. What fraction of its energy is lost in the impact

Options :
  1. 1/4
  2. 1/2
  3. 3/4
  4. 1/8
Answer and Explanation :-

Answer: Option 1

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 : You lift a heavy book from the floor of the room and keep it in the book -shelf having a height 2m ....

Next Question : If a shell fired from a cannon explodes in mid air, its total

Click here for online test on Work Power and Energy

Responses


 (Getemail alerts when others member replies)







I always had this idea that you should never give up a happy middle in the hopes of a happy ending, because there is no such thing as a happy ending. Do you know what I mean? There is so much to lose.
-John Green Let it Snow