Which term describes a physical or mental representation of an object or event?

One way that a magnet's domain could become unaligned is which of the following? A. by using it too much B. by heating it C. by breaking it D. by putting it near a magnet that repels it

What term refers to producing magnetism by placing a body within a magnetic field?

Two charges q1 and q2, that are distance d apart, repel each other with a force of 6.40 N. what would be the force between two charges q1 and = 2q and q2=3q, that are distance d apart?

Which element, represented by x, reacts with fluorine to produce the compound xf2? (1) aluminum (3) calcium (2) argon (4) sodium

A 30 nc charge experiences a 0.047 n electric force. what is the magnitude of electric field at the position of this charge?

Some lactic acid in the muscles dissipates during.

When two waves undergo complete, constructive interference, which of the following increases? A. speed B. amplitude C. wavelength D. frequency

Pressure = Force Area The formula above shows how pressure relates to force and area. For example, the pressure exerted by a fluid is equal to the force of the fluid divided by the area over which the force is applied.

1. Most waves are caused by vibrations. What motion in a transmitting antenna causes the vibrations that produce radio waves? 2. Name two common household appliances that produce electromagnetic waves other than radio waves.

A 3.70 kg block moving 2.09 m/s right hits a 2.42 kg block moving 3.92 m/s left. Find the total momentum of the system.