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valentina_108 [34]
3 years ago
5

Express the answer in scientific notation. What is the pressure, in N/m2, at a depth of 50 km in the continental crust?

Geography
1 answer:
julia-pushkina [17]3 years ago
6 0

Answer:

1.422\times 10^9 N/m²

Explanation:

pressure (P) =  ρ g h

where ρ= density of continental crust

          g= acceleration due to gravity

          h is the depth given

density of continental crust is equal to 2.9 g/cm³

    = \frac{2.9\times 10^{-3}}{10^{-6} } =2.9\times 10^3 kg/m^3

g=9.81 m/s²

height = 50,000 m

now,

pressure (P) = ρ g h

pressure (P) =2.9\times 10^3\times 9.81\times 50000

                    =1.422\times 10^9 N/m²

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