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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    A body of mass 5 kg is moving with velocity of 20 m/s. If the force of 200 N acts upon the body for 10 s, then finally the velocity of body will be

    A)  150 m/s          

    B)  220 m/s

    C)  200 m/s

    D)  240 m/s

    Correct Answer: B

    Solution :

     Acceleration of the body\[a=\frac{F}{m}=\frac{100}{5}=20\,m/{{s}^{2}}\] \[\therefore \]Final velocity \[v=u+at=20+20\times 10\] \[=220m/{{s}^{2}}\]


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