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August 3, 2015

Homework Help: physics

Posted by Anonymous on Thursday, October 25, 2012 at 3:15pm.

Only two forces act on an object (mass = 4.00 kg), as in the drawing. Find the magnitude and direction (relative to the x axis) of the acceleration of the object.


Ftotal=Sqrt(60^2+40^2)=72.11(N)
Angle=tan-1(60/40)= 56.3 (How did you get 56.3)
a= F/m=72.11/4=18(m/s/s)

The correct answer is 18.0 m/s2, 56.3 above the +x axis. I was wondering how did you get 56.3? Please show your work

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