What is the name given to a material with zero resistance that can conduct electricity without a loss of energy?

a. conductor

c. superconductor

b. semiconductor

d. megaconductor

A 5.0-kg mass with an initial velocity of 4.0 m/s, east collides with a 4.0-kg mass with an initial velocity of 3.0 m/s, west. after the collision the 5.0-kg mass has a velocity of 1.2 m/s, south. what is the magnitude of the velocity of the 4.

An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 452 Hz when the train is approaching him and 442 Hz when the train is receding from him.

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

If an object were released in space far away from planted or stars and given an initial momentum, describe what would happen to that objet

que potencia se disipa en un aparato eléctrico que opera con un voltaje de 60V y una corriente eléctrica de 1.5 A

List three things you have done today that used kinetic energy.

Aerogenerators are used to produce electricity from

Explain why science is a continuous progression of study

If your at the mall with your friends and they shoplift what would you do