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March 27, 2017

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A football is kicked 66.6 meters. If it is in the air for 5.39 seconds, with what initial velocity was it kicked?
magnitude and direction above horizontal

  • PHYICS NEED HELP BAD! - ,

    L=vₒ²•sin2α/g = 66.6
    t= 2vₒ•sinα/g = 5.39
    vₒ = t•g/2•sinα
    L=vₒ²•sin2α/g= t²•g²•2•sinα•cosα/g•4•sin²α= t²•g/2•tanα
    tanα = t²•g/2•L
    α= arctan t²•g/2•L =
    =arctan (5.39²•9.8/2•66.6)=64.9°.
    vₒ = t•g/2•sinα=5.39•9.8/2•sin 64.9°=...

  • PHYICS NEED HELP BAD! - ,

    NEED HELP BAD

  • PHYICS NEED HELP BAD! - ,

    IT IS NOT COMING OUT RIGHT

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