NCERT Exemplar XI — task. Science CBSE, Class 9.

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

\(\rho\ =\ \frac{\pi rG}{g}\)
\(\rho\ =\ \frac{3g}{4 \pi rG}\)
\(\rho\ =\ \frac{g}{\pi rG}\)
\(\rho\ =\ \frac{4 \pi rG}{3g}\)

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