Does sunlight really take 8 minutes to reach your eyes?

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

Ascientific blank must be testable and capable of being proven false?

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?