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NEET Sample Paper NEET Sample Test Paper-84

  • question_answer
    A body of mass 10 kg and velocity 10 m/s collides with a stationary body of mass 5 kg. After collision both bodies stick to each other, velocity of the bodies after collision will be

    A) \[\frac{3}{10}\,m/s\]                  

    B) \[\frac{18}{3}\,m/s\]

    C) \[\frac{9}{20}\,m/s\]      

    D)        \[\frac{20}{3}\,m/s\]

    Correct Answer: D

    Solution :

    [d] Velocity after the collision \[=\frac{10\times 10+5\times 0}{15}=\frac{100}{15}=\frac{20}{3}\,m/\sec .\]


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