gc textbook chapter 11 Vibrations and Waves (id: df5b14c47)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

[填空题]
P and S waves from an ea 1/:nbun-kdb jswg6 *crthquake travel at different speeds, and thrvxc;go 263 gpbvl ) ,7jna-wbeo;6uw is difference helps in locating the earthqua w6eb rxn,jvpa )log3- ubo;;2cg6vw 7ke “epicenter” (where the disturbance took place).
(a) Assuming typical speeds of 8.5km/s and 5.5km/s for P and S waves, respectively, how far away did the earthquake occur if a particular seismic station detects the arrival of these two types of waves 2.0 min apart?    km
(b) Is one seismic station sufficient to determine the position of the epicenter? Explain.

参考答案: 1900±2%


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