Posted by **Natalie** on Wednesday, August 16, 2006 at 4:45pm.

Fay's rubber ball bounces exactly half the height from which it is dropped. She drops the ball from the top of a building that is 64 meters tall. How high will the ball bounce on its eighth bounce.

Could someone explain this?

Thank you!

Natalie

1/2 of 64= 32.

32 feet is how high it bounces on the 1st bounce

1/2 of 32=16

16 feet is how high it bounces on the 2nd bounce

Need anymore help or can you do the rest by yourself?

8 meters

The nth bounce derives from

B = 64/(2^n)where n == the nth boumce.

the answer is 1/4 meters

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