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NEET Sample Paper NEET Sample Test Paper-82

  • question_answer
    If an aircraft executes a horizontal loop of radius 1 km with a constant speed of 900 km/h, then ratio of centripetal acceleration with acceleration due to gravity.

    A)  2.38                

    B)  4.68                 

    C)  5.98                            

    D)  6.38

    Correct Answer: D

    Solution :

    Centripetal acceleration \[\operatorname{a} = \frac{{{v}^{2}}}{r}\] \[=\,\,\frac{{{(250)}^{2}}}{1000}\,\,[as,\,900km/h=250m/s]\] Now, \[\frac{a}{g}=\frac{{{(250)}^{2}}}{1000}\times \frac{1}{9.8}=6.38\]


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