What is it called when the air particles bunch up

A spring is compressed by 0.02m. Calculate the energy stored in the spring if the force constant is 400Nm-1

In Example Suppose the rod stays on the wall in the same position, but the hinge is moved to be at the center of mass position of the rod. The rod is then held out horizontally and released.

How can you tell if the force is attractive or repulsive in electrostatics?

Most chemical reactions can be divided into how many main groups?

A horizontal vinyl record of mass 0.115 kg and radius 0.0896 m rotates freely about a vertical axis through its center with an angular speed of 5.58 rad/s and a rotational inertia of 4.84 x 10-4 kg·m2. Putty of mass 0.

What is the mass of an object with a density if 4.0g/cm3 that displaces 3.0cm3 of water?

aluminum has 13 electrons. how many electrons are found in the outermost energy level for this atom which energy level is the outermost

For an ideal fluid flowing through a horizontal pipe, Bernoulli's principle and the continuity equation state that the pressure within the pipe does which of the following? (Assume measurements are taken along the pipe in the direction of fluid flow.

Which of the following is not part of testing a hypothesis? A. Making a theory B. Making a model C. Gathering evidence D. Collecting data

What are two types of charges that particles possess