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Punjab Medical Punjab - MET Solved Paper-2004

  • question_answer
    A packet is dropped from a balloon which is going upwards with the velocity \[12\,\,m/s\], the velocity of the packet after 2 seconds will be:

    A) \[-12m/s\]                         

    B) \[12m/s\]

    C) \[-7.6m/s\]                        

    D) \[7.6m/s\]

    Correct Answer: C

    Solution :

    Given, Velocity of balloon\[u=12m/s\] Time\[t=2\sec \]when die packet is released from the balloon it acquires the velocity of balloon it means initial velocity of the packet\[~=12m/s\] Hence, velocity after \[2\sec \] is given by,                 \[v=u+at\]                    \[=12+(-9.8)\times 2\]                    \[=12-19.6=-7.6\,\,m/s\](minus sign is due to the motion is in opposite direction)


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