pre-calculus not sure what steps to follow
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hite=9-(time-2)^2 =3

reset this & thank from time=2

then yu need tu find how long til it drop distans=(9-3)=6

so, time^2=6, so time=sqrt(6)=2.449489743 sekonds, or bout 2.5

then bak tu t=2.5+2=4.5
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