Is water flowing down hill stored energy

A derived unit is a combination of fundamental units. Which of the following is an example of a derived unit? a) centimeter (used to measure distance) b) gram (used to measure mass) c) cubic centimeter (used to measure volume)

A wave has the wavelength equal to 396 nm. what must be the frequency of this wave

Describe one example of competiton of tropical dry forest

Can light be reflected and refracted at the same time? if so, give an example

A thundercloud has an electric charge of 43.2 c near the top of the cloud and - 38.7 c near the bottom cloud. the magnitude of the electric force between these two charges is 3.95 x 10^6 n. what is the average seperation between these charges?

11) Shifting with ease from one type of problem-solving strategy to another is called a) flexibility b) versatility c) originality d) openmindedness

A truck undergoes a constant acceleration of 2.0 meters/second2 on a highway that slopes upward at an angle of 30.0° to the horizontal. What is the magnitude of the horizontal component of the acceleration?

Why is there so much more carbon dioxide in the atmosphere of Venus than in that of Earth? Why so much more carbon dioxide than on Mars?

People have proposed driving motors with the earth's magnetic field. This is possible in principle, but the small field means that unrealistically large currents are needed to produce noticeable torques.

A hot air ballon with a mass of 500kg ascends at a constant rate of 1.5 m/s for 20s. how much work is done by the upward force?