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ScienceCLASS 9CBSE

answered 27 Mar 2026

Calculate the average density of the earth in terms of g, G and R.

A.VERIFIED ANSWERfact-checked by tutors

Soln:

g= GM

R2

M=gR²

G

Density of earth D= ^{𝑀𝑎𝑠𝑠}

𝑉𝑜𝑙𝑢𝑚𝑒

= Gr²

GxVe

= gR² G⁴πR³

3

= 3g 4µGR

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