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JEE Main & Advanced Physics Question Bank Oblique Projectile Motion

  • question_answer
    A ball thrown by a boy is caught by another after 2 sec. some distance away in the same level. If the angle of projection is 30o, the velocity of projection is   [JIPMER 1999]

    A)             19.6 m/s

    B)               9.8 m/s

    C)             14.7 m/s

    D)               None of these

    Correct Answer: A

    Solution :

                    \[T=\frac{2u\sin \theta }{g}\] Þ \[u=\frac{T\times g}{2\sin \theta }=\frac{2\times 9.8}{2\times \sin 30}=19.6\,m/s\]


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