Answer to Question #49252 in Mechanics | Relativity for Paromita Mukherjee
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Dear Ashish, this is wrong way since the acceleration of the object is not uniform for such large distances.
Why cannot we use
Acceleration = GM/9R^2
And use third equation of motion
V^2 -u^2 = 2 a s
Where s= 2R
Answer do not match then