The presence of which magnetic feature best explains why a magnet can act at a distance on other magnets or on objects containing certain metals? a) fields b) dipoles c) domains d) forces

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Aregular polygon has angkes of size 150° each.how many side has the polygon

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e