Does this velocity sound reasonable?

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SUMMARY

The discussion centers on calculating the velocity of a satellite in orbit where the gravitational acceleration is 3.2 m/s². The user initially calculated the radius (R) as 1,164,480.51 m and derived a velocity (V) of 1930 m/s using the centripetal acceleration formula (Ac = V²/R). However, the calculation of R was incorrect, indicating a need for reevaluation of the gravitational equations used, specifically g = GM/R² and the relationship between gravitational force and centripetal acceleration.

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  • Understanding of gravitational acceleration and its formula (g = GM/R²).
  • Familiarity with centripetal acceleration concepts (Ac = V²/R).
  • Basic knowledge of satellite motion and orbital mechanics.
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Homework Statement


The radius of the Earth is 6.86 e6 m and the mass of the Earth is 5.98 e24kg. There is a satellite floating in space at a point where the Earth's gravitational acceleration is 3.2 m/s^2.

What is the velocity of the satellite



Homework Equations


Possibly A cent = V^2/R
g = GM/R^2
Fg = GMm/R^2


The Attempt at a Solution


So I did 3.2 = GM/R^2...R = 1164480.51. Then I did Ac = V^2/R. And solved for V^2. I got 1930 m/s. Does this sound like a reasonable velocity for a satellite?
 
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You miscalculated the magnitude of R.

ehild
 

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