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The velocity of P-waves in the crust is ~ 7 km/s. Of the epicenter of an M 7.6 earthquake occurred 280 km from the closest seismic station, how long does it take the P-wave to arrive at the station

Respuesta :

Answer:

 t = 40 s

Explanation:

given,

Speed of the P-wave = 7 km/s

distance of the seismic station = 280 Km

time taken by the P-wave = ?

we know,

distance = speed x time

[tex]t = \dfrac{d}{s}[/tex]

[tex]t = \dfrac{280}{7}[/tex]

 t = 40 s

time taken by the P-wave to arrive at the station is equal to 40 s.

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