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

  • question_answer
    A body of 5 kg is moving with a velocity of 20 m/s. If a force of 100N is applied on it for 10s in the same direction as its velocity, what will now be the velocity of the body                                    [MP PMT 2000; RPET 2001]

    A)             200 m/s          

    B)             220 m/s

    C)             240 m/s

    D)                      260 m/s

    Correct Answer: B

    Solution :

                    \[v=u+at=u+\left( \frac{F}{m} \right)t=20+\left( \frac{100}{5} \right)\times 10=220\,\ m/s\]


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