A few days ago
geometric sequence?
a ball takes 1 second to hit the ground when dropped. It takes 90% of this time to rebound to its new height. This continues until the ball comes to rest. How long does it take for the ball to come to rest?
Top 2 Answers
A few days ago
Favorite Answer
starting quantity/(1-r) in this case the answer is 1/(1-0.9)=10
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A few days ago
Actually, it will never come to rest, because 90% of anything that is not zero is never zero.
Rebound time = .9 (drop time)
If drop time is never zero, rebound time will also never be. It will get real close, but never actually be zero.
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