AMC 8 2008 Problem 12
AMC8 2008 年第 12 题
数列与规律★★★☆☆
A ball is dropped from a height of 3 meters. On its first bounce it rises to a height of 2 meters. It keeps falling and bouncing to $2/3$ of the height it reached in the previous bounce. On which bounce will it rise to a height less than 0.5 meters?
一个球从 3 米高处落下。它第一次弹起的高度是 2 米，之后不停地落下和弹起，弹起的高度都是前一次弹起高度的 。则第几次弹起的高度小于 0.5 米？
- A.3
- B.4
- C.5
- D.6
- E.7
正确答案 · Correct Answer
C
解析 · Solution
解析整理中
继续练习