Recent content by ibaraku

Homework Statement A small current loop of area A = 1.5cm^2 carries current I = 3.6mA. What torque acts on it in a lab where its magnetic moment is perpendicualr to the Earth's magnetic field of 4.2 x 10^-5 (b) Find its angular acceleration if its rotational inertia about a diameter is...

Homework Statement An infinite plane sheet of charge has uniform surface density sigma = 1.00nC. What is the separation between equipotential surfaces differing in potential by 10.0V I just a push in the right direction, thanks

Homework Statement Two concentric plastic spherical shells carry uniformly distributed charges, Q on the inner shell and -Q on the outer shell. Find the electric field (a)Inside the smaller shell, (b)between the shells, and (c) outside the larger shell Homework Equations integration(E *...

1, 0, 0 I see, so for this problem [(15N/C)a^2 + (-15N/C)a^2 + (27N/C)a^2 + (-27N/C)a^2 + (39N/C)a^2 + (-39N/C)a^2] = 0 Thanks

Yeah I get that [((15N/C)i + (27N/C)j + (39N/C)k] . i = (15N/C) a^2 "" "" "" "" . -i = -(15N/C) a^2 ... ... I am just wondering how do I know where one of this calculations will be zero, where will the flux be parallel to the sides of the cube, how...

Homework Statement A cube of side L = 2m is centered at the origin, with the coordinate axes perpendicular to its faces. Find the flux of the electric field E = (15N/C)i + (27N/C)j + (39N/C)k through each face of the cube Homework Equations phi total = (E * n) delta A The Attempt...

Ok I see, thanks

Homework Statement A point charge Q = 16.5uC is at the origin. Find the electric field vector at the point P with coordinates x = 15cm, y = 25cm, z = 0. Homework Equations E = kQ/d^2 F = QE The Attempt at a Solution Ok, so first to calculate the distance between the origin and...

Thanks a lot!

I was going through my book, and saw this formula to obtain the number of water molecules in an object, I thought it could be helpful since mass is involved I see, you are talking about F=G(mass1)(mass2)/d^2 I am still a bit confused about this, how many power of 10 does "u"...

Homework Statement Two particles with equal mass have charges 1.0uC and 1.0nC, respectively. What must be their mass if their mutual gravitational attraction is to overcome their Coulomb repulsion? Homework Equations F = kQ1Q2/r^2 and maybe n = Mbody/M The Attempt at a...

I don't know if I can get help here, but it's worth trying, I have to design a state table for a sequential circuit, the table looks like this P St Input N St Output A B X Y A B Z 0 0 0 0 0 0 0 1 0 0...