An airplane travels 1,800 miles from Los Angeles to Chicago in 3.6 hours, going with the wind. The return trip takes 4 hours and
is against the wind. Find the rate of the airplane with no wind. Find the rate of the wind.
1 answer:
The "rate" at which something travels can be referred to as velocity.
V = displacement / time
So going with the wind, Vp + Vw = 1800 / 3.6 = 500 mph
Going against the wind, Vp - Vw = 1800 / 4 = 450 mph
Vp = 500 - Vw
Vp = 450 + Vw
500 - Vw = 450 +Vw
2Vw = 50
Vw = 25 mph
Vp = 475 mph
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