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| 18 Nov 2011 04:42 PM |
so a ball bounces twice, rebounding 72% of the previous height each time
after the second bounce what is the original height
if second bounce was 25cm
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| 18 Nov 2011 04:43 PM |
| To clarify, after the second bounce the ball rebounded, getting to a height of 25cm. |
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| 18 Nov 2011 04:44 PM |
| now this is a brain teaser |
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| 18 Nov 2011 04:51 PM |
Uh Its sooooo easy
I Got the awsner
Pi
~Du you liak waffles? |
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Lazarex
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kennyle10
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moose1997
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| 18 Nov 2011 06:00 PM |
25/.72 = 34.722222...
Advance or a8scond, advance or a8scond! |
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kennyle10
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| 18 Nov 2011 06:00 PM |
| icy how do you get feet from cm |
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| 18 Nov 2011 06:05 PM |
@Ken
From not reading it correctly.
I meant 16 cm. |
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kennyle10
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kennyle10
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| 18 Nov 2011 06:06 PM |
Well clearly that's wrong because if it gets lower each bounce how does it get higher without force
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