A plth ball electroscope is negatively charged after coming in contact with a charged rod. Which statement best describes what happens?

a) The electrons move from the pith ball to the charged rod.

b) The electrons move from the charged rod to the pith ball.

c) The protons move from the pith ball to the charged rod.

d) The protons move from the charged rod to the pith ball.

e) The neutrons move from the pith ball to the rod.

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.