The rings of Saturn occupy the region inside Saturn's Roche limit.

Why is light refracted when it passes from air to water? A) light slows down when it enters water B) Forces from the water molecules bend the light C) the motion of the water bends the light D) the water is often cooler

If mass = 30kg, gravity = 10 N/kg and height is 2m of a car. Calculate the gravitational potential energy.

Which statements did both Aristotle and Ptolemy assume? Check all that apply.

Use the accompanying seismogram to answer which of the three types of seismic waves reached the seismograph first.

An apple with a mass of 0.95 kilograms hangs from a tree branch 3.0 meters above the ground. What is the potential energy of the apple? 0.28 J 2.8 J 28 J 280 J

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.