Posted by **Stupid Alex** on Wednesday, July 4, 2012 at 9:49am.

In an (x,y) co-ordinates system with x east and y north, an aircraft has the velocity components Vx = -170 ms-1 and Vy = 110 ms-1, and an acceleration of 6.4 ms-2 at an angle od 42 degree from the x axis. What is the angle of the velocity from the x=axis.

And what is the y-component of the acceleration?

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