Question

The mass of earth is 6 × 1024 kg and radius of the earth is 6.4 × 106 m. Find the value of g ?​

Answer 1

Answer:

Hey mate ur ans is 9.8 m/s^2

Explanation:

$given \: mass \: of \: earth = 6 \times {10}^{24} kg$

$radius \: of \: earth \: = 6.4 \times {10}^{6}$

as g = GM/R ^2

$g = \frac{ ( 6.67 \times {10}^{ - 11} ) (6 \times {10}^{24}) } { {(6.4 \times {10}^{6}) }^{2} } \\ g = 0.97705 \times {10}^{ - 11 + 24 - 12} \\ g = 0.97705 \times 10 \\ g = 9.77 \\ g = 9.8m {s}^{ - 2}$

Hope this helps u.

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