# Physics

Forces of 10.6 N north, 20.8 N east, and 14.3 N south are simultaneously applied to a 3.76 kg mass as it rests on an air table. What is the magnitude of its acceleration? What is the direction of the acceleration in degrees? (Take east to be 0 degrees and counterclockwise to be positive.)

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1. I am tired of answering this. I have given you the angle S of East. Convert it to your system.

I will be happy to critique your work.

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bobpursley
2. What do you mean by convert it to your system?

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3. I gave you degrees S of E. You are told to have E zero, and measure the angle counterclockwise. I did it clockwise.

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bobpursley
4. So tan theta = 20.8/3.7?

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5. Yes, that is theta measured clockwise from East. That is not the way your problem stated to give the answer.

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bobpursley
6. i tried both ways and both are wrong :s

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