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Calculate the effective value of g , the acceleration of gravity, at 6800 km , above the Earth's surface.
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5 votes
Calculate the effective value of g , the acceleration of gravity, at 6800 km , above the Earth's surface.

User Bouh
by
8.8k points

1 Answer

4 votes
9.79395 m/s²
2.44228 m/s²
Step-by-step explanation:
m = Mass of the Earth = 5.972 × 10²⁴ kg
G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²
r = Radius of Earth = 6371000 km
a) at h = 6400 m

g = 9.79395 m/s²
b) at h = 6400000 m

g = 2.44228 m/s² I believe
User Utsav Parikh
by
8.3k points
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