When a ball bounces, it rises to of the height from which it fell. If the ball is dropped from a height of , how high will it rise at the third bounce?
- A
- B
- C
- DNone of the above
Solution & Step-by-step Explanation
Let the initial height be .
After each bounce, the height becomes of the previous height.
* Height after the 1st bounce ():
* Height after the 2nd bounce ():
* Height after the 3rd bounce ():
The height at the third bounce is .
After each bounce, the height becomes of the previous height.
* Height after the 1st bounce ():
* Height after the 2nd bounce ():
* Height after the 3rd bounce ():
The height at the third bounce is .