A ray of light strikes a mirror. The angle formed by the incident ray and the reflected ray measures 90 degrees. What are the measurements of the angle of incidence and the angle of reflection?

What kind of wave is light?

The current in a river is 1.0 meters/second. Britney swims 300 meters against the current. If she normally swims with a speed of 2.0 meters/second in still water, how long does it take her to complete the trip?

What would happen to the speed of sound wave if it moved from ocean water to air

Water is contained in a closed, rigid 0.2 m 3 tank at an initial pressure of 5 bar and a quality of 50%. Heat transfer occurs until the tank contains only saturated vapor.

Convert 0.025 Joules into Electron-Volts

Think about the process of heating water, the heating and upward motion of hot steam and air, and the spiral spinning. For these events, list each form of energy associated with the heat source, the water, the steam and air, and the spiral.

A long rope with mass m is suspended from the ceiling and hangs vertically. A wave pulse is produced at the lower end of the rope, and the pulse travels up the rope.

What is the potential engery of a 150 kg diver standing on a diving board that is 10m high?

Identify the three controls on a automobile they are responsible for causing the car to accelerate

How is the energy of a nuclear reactor converted to electricity?