While on a moving elevator during a certain perfod or time, frank's apparent weight is 620 n. if frank's mass is 70 kg, what is the magnitude and direction of frank's acceleration?

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