physics

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A plane is traveling at an altitude of 500meters and drops a bottle the bottle lands 400meters horizontally. how fast was the plane traveling when the bottle was released?

  • physics -

    The bottle and the plane travel the same horizontal speed and distance

    How long to fall 500 m?
    500 = (1/2) 9.8 t^2
    solve for t

    How far in t seconds?
    400 = v t
    so
    v = 400 / t

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