JEE Main & Advanced Physics Motion in a Straight Line / सरल रेखा में गति Question Bank Motion Under Gravity

  • question_answer
    A ball P is dropped vertically and another ball Q is thrown horizontally with the same velocities from the same height and at the same time. If air resistance is neglected, then                         [MNR 1986; BHU 1994]

    A)             Ball P reaches the ground first

    B)             Ball Q reaches the ground first

    C)             Both reach the ground at the same time

    D)             The respective masses of the two balls will decide the time

    Correct Answer: C

    Solution :

                    Vertical component of velocities of both the balls are same and equal to zero. So \[t=\sqrt{\frac{2h}{g}}\]


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