What statement is true of AC current?

A bullet travels at 870 m/s. How long will it take to travel 1 m?

Which of the following is not a way in which energy use can be reduced? insulating appliances setting the thermostat two degrees lower in the winter adding weather stripping to windows and doors replacing fluorescent bulbs with incandescent lighting

Caleb rides his horse with a constant speed of 12 miles per hour. How far can she travel in 3 1/2 hours?

The number of protons in the nucleus of an atom determines the species of the atom, i. e., the element to which the atom belongs. An atom has the same number of protons and neutrons. But the electron number cannot be used instead because A.

What principle explains why lifting heavy objects is easier using ramps?

A person riding on the roof of a freight train throws a ball forward. (a) If we ignore air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still?

Determine which factors will increase the reaction rate and which factors will decrease te reaction rate.

Read the paragraph below from the section "An Object At Rest Has Potential Energy Potential energy is the energy an object rgy is the energy an object has because of its position. It is energy that is waiting to be released.

Briefly describe the history of the metric system as it applies to the meter and how the definition of a meter has changed over time.

Visible light is an example of?