Does a battery produce dc or ac? does the generator at a commercial power station produce dc or ac?

What phase are daughter cells in as a result of mitosis

What is the motion of the negative electrons and positive atomic nuclei caused by the external field?

A glass plate (n = 1.64) is covered with a thin, uniform layer of oil (n = 1.27). A light beam of variable wavelength from air is incident normally on the oil surface. Observation of the reflected beam shows constructive interference at 501 nm.

Explain why the ball looks red under normal light.

A gannet is a seabird that fishes by diving from a great height. part a if a gannet hits the water at 32 m/s, what height did it dive from

In our physical world, by far, the most abundance free charge in the universe is the electron, which has a negative charge. What do we mean, then, when we say that the surface of an object is positively charged?

You're going camping and are thinking of carrying 3 gallons of water. How much does the water weigh, in units of pounds?

A student is performing a double-slit experiment to determine the wavelength of a light source. She has measured the distance between dark bands and the distance between the slits and the screen.

If a substance cannot be broken down chemically into smaller substances it is A) An element B) a compound C) an atom D) a molecule

Describe the general characteristics of the nearest stars. (Size, luminosity, color, etc., do not include specific stars)