Two points A and B on the surface of the Earth are at the same longitude and = 70.0° apart in latitude as shown in the figurebelow. Suppose an earthquake at point A creates a P wave that reaches point B by traveling straight through the body of theEarth at a constant speed of 7.40 km/s. The earthquake also radiates a Rayleigh wave that travels at 3.05 km/s. In addition to Pand S waves, Rayleigh waves are a third type of seismic wave that travels along the surface of the Earth rather than through thebulk of the Earth.BPath ofP waveӨPath ofRayleigh wave(a) Which of these two seismic waves arrives at B first?O the Rayleigh wavethe longitudinal P wave(b) What is the time difference between the arrivals of these two waves at B? (The radius of the Earth is 6370 km.)246XYour response differs from the correct answer by more than 10%. Double check your calculations, s

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