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March 30, 2017

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A gray kangaroo can bound across level ground with each jump carrying it 8.4 from the takeoff point. Typically the kangaroo leaves the ground at a 23 angle. What is its takeoff speed? What is its maximum height above the ground?

  • Physics - ,

    speed*cos23*timeinair=8.4
    speed= you solve it in terms of t.

    then vertical equation:

    hf=hi-4.9t^2+speed*sin23*t

    put what you solved for speed above into this equation, then solve for timeinair.
    then solve for speed.

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