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Mass of Earth

How is the Mass of Earth Calculated?

Asked Raj

Answer:

There are multiple ways to calculate the mass of earth. Assuming that your question is from the chapter Gravitation, I explain that here.

Knowing the radius of earth and the value of acceleration due to gravity, we can calculate the mass of earth.

g=GM/r2

M=gr2/G

If we put g = 9.8 ms-2 R = 6400000 m and G = 6.67 x 10-11 Nm2 kg-2

We will get M=6.0 x 1024 kg

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