If a P-wave arrives at a seismograph station at 9:07 am and the S-wave arrives at the same station at 9:09 am, about how far is that station from the epicenter
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![If A Pwave Arrives At A Seismograph Station At 907 Am And The Swave Arrives At The Same Station At 909 Am About How Far Is That Station From The Epicenter Pleas class=](https://ph-static.z-dn.net/files/d42/df2426333d2c22a85e180d51802b9600.png)