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OpenStudy (anonymous):
a ball is dropped from a cliff that is 224 feet high. the distance S (in feet) that it falls in t seconds is given by the formula S=224-16t^2. how many seconds (to tenths) will it take for the ball to hit the ground
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OpenStudy (zzr0ck3r):
-26t^2+224=0 26t^2 = 224 t^2=224/26 t = sqrt(224/26)
OpenStudy (zzr0ck3r):
understand?
OpenStudy (anonymous):
Much better, thank you!
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