RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    A body is rotating with uniform angular acceleration. If it starts from rest then after time t, angular displacement is proportional to:

    A)  \[\sqrt{t}\]                                        

    B)  \[t\]     

    C)  \[{{t}^{3}}\]                                      

    D)  \[{{t}^{2}}\]

    Correct Answer: D

    Solution :

    From equation of angular rotation Angular displacement \[\theta \text{=}{{\omega }_{0}}\text{t+}\frac{1}{2}\propto {{t}^{2}}\] \[\theta \,=0+\frac{1}{2}\propto {{t}^{2}}\] \[\,\propto {{t}^{2}}\]


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