physics

A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 9.3 m from the takeoff point. If the kangaroo leaves the ground at a 17.6 degree angle, what is its takeoff speed?

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  1. L=vₒ²•sin2α/g,
    vₒ =sqrt(L•g/ sin2α)=
    =sqrt(9.3•9.8/sin35.2º)=2.26 m/s

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