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As per your syllabus, eqn 7.31, the escape speed from a planet of mass M and radius R is which expression?
A√(2 G M / R)
B√(G M / R²)
C√(G M / R)
D√(2 G M R)
Answer & Solution
Correct answer: A. √(2 G M / R)
syllabus eqn 7.31: v_escape = √(2GM/R).
Independent of mass of escaping object.
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