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A football is kicked at ground level with a speed of 20.7 m/s at an angle of 34.6° to the horizontal. How much later does it hit the ground?

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    The vertical velocity component, Voy, determines how long it takes to hit the ground.

    Voy = 20.7 sin34.6 = 11.75 m/s

    It hits the ground when t = 2 Voy/g
    (That is, Voy/g to go up, and Voy/g to come back down from maximum height.)

    Comp[ute 2 Voy/g

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