What is mag-lev technology?

Which of these BEST describes the motion of atoms in solid iron as it melts?

A 3-ohm resistor and a 6-ohm resistor are connected in parallel across a 9-volt battery. Which statement best compares the potential difference across each resistor?

If we compare the force of gravity to strong nuclear force, we could conclude that A. gravity is the weaker force; it is related to mass. B. gravity is the stronger force; it is related to distance. C.

An l-c circuit has an inductance of 0.450 h and a capacitance of 0.200 nf. during the current oscillations, the maximum current in the inductor is 1.40 a.

When all the colors of light are mixed, what is the resulting color? blue red white black

Listening to the radio, you can hear two stations at once. Describe this wave interaction

The volume of a gas is reduced when the temperature is decreased

Describe the Dark Ages of our universe.

Two boxes, P and Q, are at rest on a frictionless horizontal surface. A light, flexible cord connects them. The mass of P is greater than the mass of Q.

Determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic field. The electric field and the magnetic field are also perpendicular to each other and have magnitudes 7.7 x 10^3 V/m and 7.