Resolving Vector - Get Magnitude of F2 to 3 Sig Figs

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Lancelot59
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This should be a really simple problem, all I need to do is get magnitude of F2 along the axes u and v to 3 sig figs.

Probs._2-4_5_6.jpg


So I did the usual thing:

u=150cos(60)=75.0
v=150cos(30)=130

Is this wrong?
 
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It looks right to me. You may want to check your sig-figs, though.
 
Okay. I need to enter this stuff into an automated system called MasteringEngineering. It has a massive track record of being stupid with inputs. This just seemed a little too simple for it to mess up though. Thanks.