Resolving Vector - Get Magnitude of F2 to 3 Sig Figs

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Homework Help Overview

The discussion revolves around calculating the magnitude of a vector, specifically F2, along two axes, u and v, with a focus on significant figures. The subject area pertains to vector resolution in physics.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to resolve the vector F2 using trigonometric functions to find its components along the u and v axes, expressing concern about significant figures.

Discussion Status

Some participants affirm the calculations presented by the original poster, indicating that the approach appears correct. However, there is a note of caution regarding the accuracy of significant figures, and the original poster expresses apprehension about inputting the results into an automated system.

Contextual Notes

The original poster mentions the constraints of using an automated system, MasteringEngineering, which has a reputation for being problematic with input values.

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.
 
yes its good
 
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.
 

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