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討論串[問題] 2題有關能量的題目
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[Hint]. Consider the work done on moving a point particle along the unit circle. centered at the origin in the xy plane.. [Hint2]. Ask yourself that w
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→ ^ ^ ^. (a)[5%]Is the force field F(x,y,z) = -yi +xj +2k conservative? Why? [Hint]. Consider the work done on moving a point particle along the unit
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