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Find g value And explain how

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Find g value And explain how

Posted by Happy Jain 4 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 4 years, 2 months ago

To calculate the value of g, we should put the values of G, M and R in Eq. (9), namely, universal gravitational constant,

G = 6.7 × 10^–11 N m² kg^-2, mass of the earth,
M = 6 × 10²⁴kg, and radius of the earth,
R = 6.4 × 10⁶ m.

g=G M/R²

6.7 10^-11 N m² kg^-2 6 10²⁴ kg / (6.4 10⁶ m)² = 9.8 m s^–2.

Thus, the value of acceleration due to gravity of the earth, g = 9.8 m s^–2.

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