A wire of length and mass is suspended by a pair of flexible leads in a magnetic field of . What is the magnitude of the current required to remove the tension in the supporting leads

If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction

What is the moment of inertia i of this assembly about the axis through which it is pivoted? express the moment of inertia in terms of mr

2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?