- #1
rr96
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1. A plane is aimed north and is traveling 851 km/h. A wind blows the plane from 40° S of E at 36 km/h. What is the plane’s resultant velocity?
2. I think the answer is 828.3 km/h at 88.1° East of North but I am not sure.
Ay= 851
Bx= cosθ
cos40=x/36
x=27.6
By=sinθ
sin40=-y/36
y=-23.1
Rx=27.7
Ry=851-23.1
=827.9
a^2 + b^2 = c^2
(27.6)^2 + (827.9)^2 = c^2
c= 828.3
Using tan, θ=88.1
2. I think the answer is 828.3 km/h at 88.1° East of North but I am not sure.
Ay= 851
Bx= cosθ
cos40=x/36
x=27.6
By=sinθ
sin40=-y/36
y=-23.1
Rx=27.7
Ry=851-23.1
=827.9
a^2 + b^2 = c^2
(27.6)^2 + (827.9)^2 = c^2
c= 828.3
Using tan, θ=88.1
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