What is needed to create change in a system?

A variable that is described using both a number and a direction is called

The term "angle of deviation" is used in reference to a/an A. lens. B. polarizer. C. analyzer. D. prism.

True or False. It is better to buy a washer with a higher efficiency rating than a lower efficiency rating.

At a horse race, all horses started from rest. As soon as the gates were open the horses started to trot. After 300s, Blacky was accelerating at 3m/s2. What is his final velocity after 300s?

Can you find a vector quantity that has a magnitude of zero but components that are not zero? Explain. Can the magnitude of a vector be less than the magnitude of any of its components? Explain.

When water is in a container the surface of the water is curved what the curve called?

A ship captain uses a steering wheel called a helm to turn the rudder of a sailing ahip. Do you thjnk it would be easier for him to turn a large wheel or a small wheel? explain why you think so

Potential energy and kinetic energy are created when work is done to change a position (PE) or a state of motion (KE). Ignoring friction, how does the amount of work done to make the change compare to the amount of PE or KE created? a.

The wavelength of a wave is the wavelength of a wave is how strong the wave is. equal to the speed of the wave times the wave's frequency. the distance between where the wave is emitted and where it is absorbed.

What is a carbon whip?