Name three devices that use electricity and magnetism to operate.

If the wavelength is doubled what happens to the period

The type of energy that is carried by electromagnetic waves is called

Trey races his bicycle for 192m. A wheel of his bicycle turns 48 times as the bicycle travels this distance. What is the diameter of the wheel? Use the value 3.14 for π. Round your answer to the nearest tenth. Do not round any intermediate steps.

Does air resistance affect the motion of a falling object differently when the initial velocity of the object is greater?

At what speed do a bicycle and its rider, with a combined mass of 120 kg, have the same momentum as a 1400 kg car traveling at 5.4 m/s?

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.