If the switch for the lightbulb is on the on position, which of the following would be true about the circuit below?

a. it is an open circuit
b. the wire will not be magnetic
c. the wire will be magnetic
d. the light bulb will not be lit up

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.