Sayan Asked a Question
September 21, 2020 6:06 pmpts 30 pts
28. Let C denote the boundary of the semi-circular disk (d) 1 30. Fo D{%, y)ER: x+y<1,y<0} and let ox,y) = y for (x, y) ED. If n is the outward unit normal to C, then the integral (Vo) hds, evaluated countet C clockwise over C, is equal to (6) T-2 (a) 0 (c) T (d)T +2
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  • Ruby negi Best Answer
    disc is in xy plane so area vector is in z direction... that's why n cap is z.. and the dot product of del phi with n cap gives zero.
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    Sayan
    ok thank you madam 😊
  • Ruby negi thankyou
    solution
    • cropped-1547051460.jpg
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  • Ruby negi
    option a is correct...
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    Sayan
    madam solution?
  • Ruby negi
    option a is correct...
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