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When a plane flies into the wind it can travel 3000 km in 6 hours when it flies with the wind it can travel the same distance in 5 hours find the rate of the plane in still air and wind?
Wiki User
∙ 13y ago
Call the airspeed of the airplane 'A', and the wind-speed 'W'.
A - W = 500
A + W = 600
Add the two equations . . . . . 2A = 1,100
Divide each side by 2 . . . . . . A = 550
Substitute that result
into the first equation . . . . . 550 - W = 500
Add 'W' to each side . . . . . . 550 = 500 + W
Subtract 500 from each side . . 50 = W
The aircraft is capable of 550 km/hr airspeed.
The wind's speed is 50 km/hr.
Wiki User
∙ 13y ago
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