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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    A space shuttle of mass 2500 kg is projected outside the gravitational field of the earth in space. The radius of earth is 6400 km. The minimum initial velocity of the shutle should be

    A)  5.6 km/s         

    B)  7.25 km/s

    C)  8.5 km/s

    D)  11.2 km/s

    Correct Answer: D

    Solution :

     To project an object outside the earth's gravitational field the required velocity is 11.2 km/s which is called escape velocity.


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