Which region of the Sun has a temperature of about 15 million C?

An electric field can induce an electric dipole in a neutral molecule (or atom) by pushing the positive and negative charges inside the molecule in opposite directions.

A tennis ball pitching machine goes haywire and pitches at 10 rounds per second and the speed is an incredible 300m/s, what is the distance between balls (length)

Iron has a density of 7.9 g/cm3. How much mass is in a 10 cm3 sample of iron?

Which is the work required to move a charge?

What is the difference between miscible liquids and immiscible liquids?

What are some ways the oceanic crust and the continental crust are alike?

Why is gangue sometimes reprocessed.

4.7 cm. The tube is sealed at one end and loaded with lead shot to give it a total mass of M = 130 g. The tube floats in water (of density 1 g/cm3) in vertical position, loaded end down.

Why is it incorrect to say that vascular tissue, gametophytes, and fronds are all found mosses

Can the validity of a model be limited, or must it be universally valid? How does this compare to the required validity of a theory or a law?