Question

iska full solution hai kya kisi ke pass with log table used

Answer 1

Hi friend here is your answer

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Write all the given stuff

solution

g = GM/R^2

GM = R^2 g -------- (1)

where M is mass of the earth

Assuming earth to be the homogeneous sphere

Density = mass / volume

mass = volume * density


$= 4 \div 3 \times \pi \: r {}^{3} \times density$
substituting in eqn --- (1)

G * 4 pi R^3* density = 3g* R^2

hence

density = 3g / 4 pi R G

= 3* 9.8/4* 3.142 * 64 * 10^6 * 6.673*10^-11

= 5477 kg/m^3

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Hope it helps you..........!!
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