In an electrical circuit, a voltage difference:

A. supplies energy to make charge flow

B. causes a short circuit

C. is the term used for rate of charge flow

D. wastes energy

As part of previous adventures, formerly conjoined identical twin, Sue, is now 13.4 years younger than her identical twin Lou. (The anniversaries of their birth are no longer the same day.) It is Lou's turn to travel, and he goes away and back at 0.

All of the following objects are moving at the same speed. which one bas the greatest kinetic energy? (remember kinetic energy depends on mass and speed) a. car b. semi tractor-trailer truck c. motorcycle d. bicycle

The electric current is a

What kind of lenses are in a light microscope

A student standing on a roof throws a ball toward the sky. He then tries to make an energy transfer diagram for the ball. What should go in the blank in the diagram?

Ann performs 40 J of work by pushing an object 10 m with a force of 4 N. Liz performs 40 J of work by pushing an object 4 m with a force of 10 N. Describe the relationship that is demonstrated by this example.

Moishe can ride a bike without giving it any conscious thought moishe ability to ride a bike is an example of--memory

in the absences of friction, gravity, and all other external forces, what kind of speed will an object display if it's travel from the bottom to the top of an inclined plane

An unusual lightning strike has a vertical portion with a current of - 400 A downwards. The Earth's magnetic field at that location is parallel to the ground and has a magnitude of 30 μT.

What is wind or wind currents? I'm on that subject and don't get what it is. for the subject, I chose "Physics" because I don't know what it was. Is this subject physics?