Part A For a flight whose one-way distance is d, write an expression for the interval Atal needed for a round trip on a windless day. Ignore any time spent on the ground, and assume that the airliner flies at cruising speed for essentially the whole trip Express your answer in terms of the variables v and d. 196) ΑΣΦ Atcalm Submit Part B Request Answer ? Now assume there is a wind of speed w. It doesn't matter which way the wind is blowing all that matters is that it is a head wind in one direction and a tail wind in the opposite direction Write an expression for the time interval Afind needed for a round trip on the day this wind is blowing Express your answer in terms of the variables u, d, and w. [5] ΑΣΦ Review C?

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Chapter1: Units, Trigonometry. And Vectors
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Airline pilots who fly round trips know that their round-trip
travel time increases if there is any wind. To see this, suppose
that an airliner cruises at speed u relative to the air
55°F
▼
Part A
Atcalm
For a flight whose one-way distance is d, write an expression for the interval Atcalm needed for a round trip on a windless day. Ignore any time
spent on the ground, and assume that the airliner flies at cruising speed for essentially the whole trip
Express your answer in terms of the variables v and d.
[35] ΑΣΦ ↑ →
Submit
Part B
Request Answer
CE
?
CE
6 of 12
Now assume there is a wind of speed w. It doesn't matter which way the wind is blowing, all that matters is that it is a head wind in one direction
and a tail wind in the opposite direction Write an expression for the time interval Atwind needed for a round trip on the day this wind is blowing.
Express your answer in terms of the variables u, d, and w
V—| ΑΣΦ ^
?
Review
Transcribed Image Text:Airline pilots who fly round trips know that their round-trip travel time increases if there is any wind. To see this, suppose that an airliner cruises at speed u relative to the air 55°F ▼ Part A Atcalm For a flight whose one-way distance is d, write an expression for the interval Atcalm needed for a round trip on a windless day. Ignore any time spent on the ground, and assume that the airliner flies at cruising speed for essentially the whole trip Express your answer in terms of the variables v and d. [35] ΑΣΦ ↑ → Submit Part B Request Answer CE ? CE 6 of 12 Now assume there is a wind of speed w. It doesn't matter which way the wind is blowing, all that matters is that it is a head wind in one direction and a tail wind in the opposite direction Write an expression for the time interval Atwind needed for a round trip on the day this wind is blowing. Express your answer in terms of the variables u, d, and w V—| ΑΣΦ ^ ? Review
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