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# Important information about Wave Motion

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S and P waves from an earthquake travel at different speeds and this difference helps in the determination of the earthquake "epicenter", (where the disturbance took place).

(a) Assuming typical speeds of 9.0km/s and 5.5 km/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 exactly 94s apart?

(b) Is one seismic station sufficient to determine the position of the focus? Explain.

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https://brainmass.com/physics/periodic-motion/important-information-wave-motion-33811

#### Solution Preview

S and P waves from an earthquake travel at different speeds and this difference helps in the determination of the earthquake "epicentre", (where the disturbance took place).

(a)assuming typical speeds ...

#### Solution Summary

The solution discusses earthquakes. Calculations to determine the location of an earthquake is given.

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