Every complete circuit includes a device that provides emf. What type of quantity?

unit charge per second

energy per unit charge

energy per unit time

force per unit area

What is the moon phase today

What is power? A. Power is the amount of work that is done. B. Power is the ability to do work. C. Power is the rate at which work is done. D. Power is the product of force applied that displaces an object.

If the electrons in an atom were stationary, they would be ___ the nucleus

A. What is the change in internal energy if 500 J of heat is added to a system and 100 J of work is done by the system? Show your work. b. Describe two sets of conditions of heat and work that cause a decrease in internal energy. c.

At what distance above Earth would a satellite have a period of 125 minutes

Heat is a kinetic energy. give reason

If you placed a dot on a world map to represent the location of every earthquake in the last 100 years, where would you see earthquake activity most concentrated? why is this so?

If the medium moves perpendicular to the direction of the wave motion, the wave is classified as a longitudinal wave. True or False?

Why might surface mining be less risky for miners than underground mining?

Sometimes the moon appears to have a halo around it at night. Why does this happen? A. It's due to a partial lunar eclipse. B. Moonlight is refracted through ice crystals in high clouds. C.