consider a conducting disk of radius a and moment of inertia I in a magnetic field of strength B/ the magnetic field passes through the disk parallel to its axis, and a wire is set up connecting the edge of the disk to its center with resistance R. find the terminal velocity

d they tend to lose electrons and become cations.

explanation:

i don't understand. explain it clearly

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

answer///scientific method;