If g is the acceleration due to gravity and R is the radius of the earth,then escape velocity is given by the relation

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If g is the acceleration due to gravity and R is the radius of the earth,
then escape velocity is given by the relation

$ V_{e}=\sqrt{2g} $

$ V_{e}=2\sqrt{g} $

$ V_{e}=\sqrt{2Rg} $

$ V_{e}=2\sqrt{Rg} $

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The relation connecting Young's modulus (E), Bulk modulus (K) and
Rigidity modulus (N) is

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