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Manipal Medical Manipal Medical Solved Paper-2004

  • question_answer
    A projectile is fired at\[30{}^\circ \]with momentum p. Neglecting friction, tine change in kinetic energy, when it returns back to the ground, will be:

    A)  zero        

    B)  30%

    C)  60%         

    D)  100%

    Correct Answer: D

    Solution :

     It is a scalar quantity therefore, kinetic energy is also constant. When a projectile is projected from the ground and returns back to the ground in a projectile motion, the kinetic energy does not change.


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