Work Problem, Line Integral Fun (Calc 3)

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SUMMARY

The discussion focuses on calculating the work done by the force field F(x,y) = x*sin(y) i-hat + y j-hat on a particle moving along the parabola y = x^2 from the points (-1,1) to (2,4). A participant expressed confusion over the complexity of their solution, prompting feedback regarding the limits of integration. It was confirmed that the limits should be from -1 to 2, not -1 to 4, while the integration process itself was deemed correct.

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  • Understanding of line integrals in vector calculus
  • Familiarity with force fields and work calculations
  • Knowledge of parametric equations for curves
  • Proficiency in integration techniques
NEXT STEPS
  • Study the concept of line integrals in vector fields
  • Learn about the application of Green's Theorem in work calculations
  • Explore parametric equations and their derivatives
  • Review integration techniques specific to multivariable calculus
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Students in Calculus III, particularly those studying vector calculus and line integrals, as well as educators seeking to clarify concepts related to work done by force fields.

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Homework Statement


Find the work done by the force field F(x,y) = x*sin(y) i-hat + y j-hat on a particle that moves along the parabola y = x^2 from (-1,1) to (2,4).

2. The attempt at a solution
Please see attached file.

The answer I get seems really, really, complicated and I have a hunch that it shouldn't be. Does anything look wrong in my work?

Thanks!
 

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Hey,

The only thing I noticed is that your limits of integration seem to be off; t goes from -1 to 2, not -1 to 4. The integration is correct.
 
Awesome! Thanks :)
 

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