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terryg4397
29.07.2020 •
Physics
Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse (S-waves). The P-waves have a speed of about 9 km/s. Estimate the average bulk modulus of Earth's crust given that the density of rock is about 2500 kg/m3
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Ответ:
Explanation:
It is given that,
Speed of P- waves, v = 9 km/s = 9000 m/s
The density of rock is about![2500\ kg/m^3](/tpl/images/0714/8159/e4239.png)
We need to find the average bulk modulus of Earth's crust. Let it is given by B. So,
So, the bulk modulus of the Earth's crust is
.
Ответ: