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September 18, 2014

September 18, 2014

Posted by **math** on Wednesday, November 3, 2010 at 5:28pm.

my particular forces are 11.3 N north, 20.4 N east, and 14.7 N south

so to figure out the direction of acceleration in degrees, you have to take the arctan of resultant S, over E.

so that would be arctan 3.4/20.4

though for some reason is not correct, am i doing everything right?

- physics -
**bobpursley**, Wednesday, November 3, 2010 at 5:30pmI have no idea what angle you are computing. The above is correct for the angle as measured S of E.

- physics -
**math**, Wednesday, November 3, 2010 at 5:36pmsorry, uhm so first I figured out the acceleration of the mass, which was 5.78m/s^2. Then it asks what is the direction of acceleration, if you take east to be zero degrees and counterclockwise to be positive

- physics -
**bobpursley**, Wednesday, November 3, 2010 at 5:48pmLord. I gave you the angle S of E, you want it measured from E counterclockwise all the way around. Is is possible for you to draw the figure? angle=360-arctan( )

Do you need a tutor? This is all very basic stuff.

- physics -
**math**, Wednesday, November 3, 2010 at 6:59pmyeah, and that wasn't the right answer. Its why i was asking you, you tool.

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