What is it called the number that tells how much of something there is

Name one type of technology that utilizes magnetism to function.

A spring with a constant of 350. N/m is stretched to store 210. J of energy. How much has the spring been stretched?

The cellular process of synthesizing large molecules from smaller ones is defined as

A weather report says winds blow at 5km/h from the northeast is this description of the wind a speed or velocity? Explain your answer

Imagine a glass box that is completely sealed and in that box is a cactus in a small pot which statement is most accurate? a. This is an open system because the light can go through the glass and get into the box b.

What happens to the period of a spring-cart system motion when the system is in orbit inside the international space station?

Ovens, toasters, dryers, and heat lamps are examples of inventions that convert electrical energy to thermal energy, which is a kind of kinetic energy.

Why does Alpha Centauri appear to be yellow-white?

In order to determine speed, you must know

Which of the statements best describes the relationship between the surface of an object and the amount of friction it produces? A.) The smoother the surface of an object, the more friction it will produce. B.