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AMU Medical AMU Solved Paper-1998

  • question_answer
    The rotation period of an earth satellite close to the surface of the earth is 83 minutes. The satellite in an orbit at a distance of three times earth radii from 2 jts surface will be

    A)  83 minutes       

    B) \[83\times \sqrt{8}\] minutes

    C)  664 minutes      

    D)  249 minutes.

    Correct Answer: C

    Solution :

    : \[{{T}_{2}}={{T}_{1}}{{\left( \frac{{{r}_{2}}}{{{r}_{1}}} \right)}^{3/2}}=83{{\left( \frac{R+3R}{R} \right)}^{3/2}}\] \[=83\times 8=664\]minutes.


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