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A pelican flying along a horizontal path drops a fish from a height of 5.5 m. The fish travels 7.0 m horizontally before it hits the water below.
What was the pelican’s initial speed? The
acceleration of gravity is 9.81 m/s^2.

  • physics - ,

    7.0 m/(time to fall 5.5 m)

    Time to fall Y = = sqrt (2Y/g)
    = 1.059 s for Y = 5.5 m

    Now use the first equation

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