The element oxygen, represented by the symbol O, is classified as

a 5.0 kg tool box is raised from the ground by a rope. if the upward acceleration of the bucket is 2.5 m/s^2, find the force exerted by the rope on the tool box. acceleration due to gravity is 9.8 m/s^2

long-run equilibrium occurs when long-run aggregate supply and aggregate demand meet. What does having long-run equilibrium indicate about a society?

The mechanical energy of a bicycle at the top of a hill is 6,000 J. The bicycle stops at the bottom of the hill by applying the brakes.

What are some properties of transverse waves?

An external, frictionless pin only prevents rotation. A. True B. False

Some lactic acid in the muscles dissipates during.

When two waves undergo complete, constructive interference, which of the following increases? A. speed B. amplitude C. wavelength D. frequency

Pressure = Force Area The formula above shows how pressure relates to force and area. For example, the pressure exerted by a fluid is equal to the force of the fluid divided by the area over which the force is applied.

1. Most waves are caused by vibrations. What motion in a transmitting antenna causes the vibrations that produce radio waves? 2. Name two common household appliances that produce electromagnetic waves other than radio waves.

A 3.70 kg block moving 2.09 m/s right hits a 2.42 kg block moving 3.92 m/s left. Find the total momentum of the system.