A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 9.0 m from the takeoff point. If the kangaroo leaves the ground at a 20° angle, what is its takeoff speed ? R (range) = v02 sin2(θ) / g 9.0 m = v02 sin2(20) / 9.81 v0 = 11.7 m/s (takeoff…