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JEE Main & Advanced Physics Motion in a Straight Line / सरल रेखा में गति Question Bank Uniform Motion

  • question_answer
    A particle moves for 20 seconds with velocity 3 m/s and then velocity 4 m/s for another 20 seconds and finally moves with velocity 5 m/s for next 20 seconds. What is the average velocity of the particle                             [MH CET 2004]

    A)                      3 m/s                 

    B)                    4 m/s            

    C)                      5 m/s                 

    D)                   Zero

    Correct Answer: B

    Solution :

                            Time average velocity =\[\frac{{{v}_{1}}+{{v}_{2}}+{{v}_{3}}}{3}\]            \[=\frac{3+4+5}{3}=4m/s\]            


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