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5 February, 17:21

The function y=-16x2+v0x models the height of a football in feet x seconds after a player kicks it. In the equation of the function, v0 is the ball's initial velocity in feet per second. The ball hits the ground 2 seconds after the player kicks it. What is the value of v0 ?

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  1. 5 February, 17:40
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    16x^2-vox=0 when x=2 so

    16x^2-vox=0

    64-2vo

    64=2vo

    vo=32 ft/s
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