Non-metals are generally non-conductors of electricity. graphite is a non-metal but used as electrodes in batteries. why?

A. At what frequency would an inductor and a capacitor have the same reactance? b. What would the reactance be? c. Show that this frequency would be the natural frequency of an oscillating circuit with the same L and C.

When the medium is uniform, how do light waves pass through it? A) straight line motion B) circular motion C) vibrating motion D) irregular motion

For the most part, you can ignore the forces of attraction among the particals in which of the following?

Maxwell shoots a rubber band at his friend Jimmy. Which type of energy is converted into kinetic energy? A) elastic potential energy B) nuclear potential energy C) chemical potential energy D) gravitational potential energy

If someone said that instruments that produce sounds via vibrating columns of air are called aerophones, would that be a true or false statement?

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.

In order to hike around a portion of Lake Allatoona, a tour guide determines that he must take his group 150 m east, 60 m north, then 75 m west.

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.