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UPSC Physics Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन Question Bank Force of Gravity, Solids and Fluids

  • question_answer
          If the moon is to escape from the gravitational field of the earth forever, it will require a velocity                                    [SSC CGL]

    A) 11.2 km/s        

    B)      less than

    C) slightly more than 111.2 km/s

    D) 22.4 km/s

    Correct Answer: A

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