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 earthquake travel at different speeds, and xqy,:ill)v et y3+uqnms.4l1this differenchw m -(7ds pnx6fa yh281ol eby:f)be7e helps in locating the earthquake “epicenter” (where the disturbance to6 p)yeh7halw:d f2-y bxo1s7bm n e8f(ok 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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