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JEE Main & Advanced AIEEE Solved Paper-2003

  • question_answer
    A rocket with a lift-off mass \[3.5\times {{10}^{4}}\] kg is blasted   upwards   with   an   initial acceleration of \[10\,m/{{s}^{2}}\] . Then, the initial thrust of the blast is     AIEEE  Solved  Paper-2003

    A) \[3.5\times {{10}^{5}}\] N   

    B)       \[7.0\times {{10}^{5}}\] N                           

    C) \[14.0\times {{10}^{5}}\] N      

    D)       \[1.75\times {{10}^{5}}\] N

    Correct Answer: A

    Solution :

       Here, thrust force is responsible to accelerate the rocket, so initial thrust of the blast                     \[=ma=3.5\times {{10}^{4}}\times 10\]                     \[=3.5\times {{10}^{5}}N\]


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