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January 30, 2015

January 30, 2015

Posted by **janaki** on Friday, March 22, 2013 at 1:59am.

What is the ground speed of the plane in mph?

- science -
**Henry**, Saturday, March 23, 2013 at 4:04pmX = -50 km/h,

Y = 2000 km/h.

tanAr = Y/X = 2000/-50 -40.0

Ar = -88.6o = Reference angle.

A = -88.6 + 180 = 91.4o = Direction..

V = -50/cos91.4 = 2000.62 km.

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