AMC 8 2001 Problem 5

AMC8 2001 年第 5 题

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Problem On a dark and stormy night Snoopy suddenly saw a flash of lightning. Ten seconds later he heard the sound of thunder. The speed of sound is 1088 feet per second and one mile is 5280 feet. Estimate, to the nearest half-mile, how far Snoopy was from the flash of lightning.

在一个漆黑的暴风雨之夜，Snoopy 突然看到一道闪电。十秒钟后，他听到了雷声。音速是 1088 英尺每秒（一英里等于 5280 英尺）。请估算 Snoopy 离闪电有多少英里（结果精确到 0.5 英里）？

A.1
B. $\displaystyle 1\frac{1}{2}$
C.2
D. $\displaystyle 2\frac{1}{2}$
E.3

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