Which of the following is most useful to determine how much energy is being used by a circuit in a given amount of time?

a. power

b. current

c. voltage

d. resistance

The atomic number of an element is found by counting the of what in an atom

Lee majors, a professional stuntman, is preparing to run off a dock and dive into a large kayak. the stuntman has a mass of 80.8kg and the kayak has a mass of 29.9kg. if lee dives horizontally with a velocity of 5.50ms ...

One object is at rest, and another is moving. The two collide in a one-dimensional, completely inelastic collision. In other words, they stick together after the collision and move off with a common velocity. Momentum is conserved.

A car is travelling at 50km/h. After 12 seconds, it is now travelling at 60km/h. What is the car's acceleration

No matter what happens to us, we still have which of the following?

Ursa Minor contains the pole star, Polaris, and the asterism known as the Little Dipper. From most locations in the Northern Hemisphere, all of the stars in Ursa Minor are circumpolar.

What is an organism ability to maintain a steady internal condition called

What is the fundamental frequency of a particular medium?. a. the lowest frequency at which a standing wave is possible. b. the highest frequency at which s standing wave is possible

The distance from the inner core to the surface of the earth is about 5,200 kilometers. the large amount of material surrounding the inner core places tremendous pressure on it.

What type of wave is sound? longitudinal light surface transversal