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The drawing shows an edge-on view of two planar surfaces thatintersect and are mutually perpendicular. Surface 1 has an area of 1.7 m^2, while surface 2 san area of 3.2 m^2. The electric field in the drawing is uniform andhas a magnitude of 250 N/C. Find the electrical flux through surface 1 and surface 2

I have tried to do the problem multiple amounts of time but I never seem to get the correct answer. For surface 1 its suppose to be 350 Nm^2/c and surface 2 is suppose to be 460 Nm^2/c. This is what I have gotten so far:

1: EACos(pheta) 250(1.7)(cos 55)= 9.4028 Nm^2/c
2: EACose(pheta) 250(3.2)(cos 35)= -722.95

Please help with anything you can!

  • science -

    close, you need to change your theta.
    A) 250(1.7)cos35
    B) 250(3.2)cos55


    this will work, just did it for my homework and they are correct. My E and A are different but the theta was the same.

  • Science -

    changed my login from the above entry.

    A) 250(1.7)cos35 = 348.13 Nm2/C
    B) 250(3.2)cos55 = 458.86 Nm2/C

    Hopefully this works for you

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