Decide if the following is a good, better or poor observation. When sitting on the couch the cat can jump 15 inches off the ground when startled. good poor better

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers