The helicopter could fly at 4 times the speed of wind. Thus,it could travel 600 miles downwind in 1 hour more than it took totravel 300 miles upwind. What was the speed of the helicopterin still air? Upwind equation: (A-W)T_U = D_U Downwind equation: (A+W)T_D=D_D

valtricotinevh 2022-07-31 Answered
The helicopter could fly at 4 times the speed of wind. Thus,it could travel 600 miles downwind in 1 hour more than it took totravel 300 miles upwind. What was the speed of the helicopterin still air?
Upwind equation: ( A W ) T U = D U
Downwindequation: ( A + W ) T D = D D
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Answers (1)

abortargy
Answered 2022-08-01 Author has 19 answers
( A W ) T U = D U -----------------(1)
( A + W ) T D = D D ----------------(2)
here T D = T U + 1 &A=4W
by substituting & (1)/(2) we get T U = 5 h r s
by substituting T U & A in (1) we get W=20miles/hr
A=4W=80miles/hr
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