In and electric circuit, where do the electrons come from that flow in the circuit

Calculate the value of a 100 MW FTR where the LMP at the source node is $10/MWh and the LMP at the sink node is $40/MWh.

What is the earths primary source of light energy proxima centauri moon sun wave i think it is the sun right?

What are your five sences

The speedometer on a car actually measures the rotational speed of the axle and converts that to the linear speed of the car, assuming the car's tires diameter is 0.62 m. What is the rotational speed of the axle when the car is traveling 20 m/s?

What is the best definition of gravity below? A force that opposes the motion of an object. The force 1 object exerts on another object. Speed in a given direction. A change in velocity over time.

Consider a helium balloon on a string tied to the seat of your stationary car. The windows are closed, so there is no air motion within the car. The car begins to accelerate forward. Which way will the balloon lean, forward or backward

The force of gravity acts upon meteors from the rocky asteroid belt between mars and Jupiter. Where is the force of gravity most likely to pull these meteors

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. Which of the following best describes how such a telephone is able to transmit and receive information? A.

Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder.

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff