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Answer to Question #17637 in Mechanics | Relativity for charles

Question #17637
an airplane flies at 200.00Km/hr with respect to the air. What is the velocity of the plane relative to the ground if it flies with
a. 50 km/hr tailwind?
b. 50 km/ hr headwind?
draw schematic and explain
Expert's answer
a. 50 km/hr tailwind?

->
->& \
->& |\
->& gt;=|==0>-
->& |/
->& /
->

The wind is rushing the airplane, so it's velocity increases:

V = 200.00[km/h] + 50[km/h] = 250[km/h].

b. 50 km/ hr headwind?

The wind is retarding the airplane, so it's velocity decreases:

& lt;-
& \& lt;-
& |\& lt;-
& gt;=|==0>-& lt;-
& |/& lt;-
& /& lt;-
& lt;-

V = 200.00[km/h] - 50[km/h] = 150[km/h].

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