An earthquake emits both P-waves and S-waves that travel at different speeds through the Earth.A P-wave travels at 8 000 m/s and an S-wave at 4 000 m/s.If P-waves are received at a seismic station 30.0 s before an S-wave arrives,how far is the station from the earthquake center?
A)2 420 km
B)1 210 km
C)240 km
D)120 km

Question

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The Answer of An earthquake emits both P-waves and S-waves that travel at different speeds through the Earth.A P-wave travels at 8 000 m/s and an S-wave at 4 000 m/s.If P-waves are received at a seismic station 30.0 s before an S-wave arrives,how far is the station from the earthquake center?
A)2 420 km
B)1 210 km
C)240 km
D)120 km

An Earthquake Emits Both P-Waves and S-Waves That Travel at Different