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13 November, 11:30

If a ball is launched horizontally at 40 m/s

from a bridge, what will be the magnitude of

its horizontal velocity after 3 seconds?

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Answers (1)
  1. 13 November, 14:33
    0
    40m/s

    Explanation:

    The horizontal component of velocity remains constant because there are no external forces in that direction

    By applying motion equations, V = U + at

    where,

    v - final velocity u - initial velocity a-acceleration t - time

    v = u + at

    As no force act on the ball (we neglect air resistance here) no acceleration is seen,

    So v = u = 40m/s
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