# SOLUTION: Car A passes point O heading east at a constant rate of 40 mi/h; car B passes the same point 1 hour later heading north at a constant rate of 60 mi/h. Express the distance between

Algebra ->  -> SOLUTION: Car A passes point O heading east at a constant rate of 40 mi/h; car B passes the same point 1 hour later heading north at a constant rate of 60 mi/h. Express the distance between       Log On

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 Question 344580: Car A passes point O heading east at a constant rate of 40 mi/h; car B passes the same point 1 hour later heading north at a constant rate of 60 mi/h. Express the distance between the cars as a function of time t, where t is measured starting when car B passes point O. How is the answer to this question d(t) = Answer by stanbon(60771)   (Show Source): You can put this solution on YOUR website!Car A passes point O heading east at a constant rate of 40 mi/h; car B passes the same point 1 hour later heading north at a constant rate of 60 mi/h. Express the distance between the cars as a function of time t, where t is measured starting when car B passes point O. --- East-bound car DATA: rate = 40 mph ;time = t hrs. ; distance = 40t miles ---- North-bound car DATA: rate = 60 mph ; time = t hrs ; distance = 60t miles -------------------------- distance = sqrt((40t)^2+(60t)^2) distance = sqrt[5200t^2] = 200t*sqrt(13) -------------------------- Cheers, Stan H How is the answer to this question d(t) =