What is the density of an object whose volume is 100 cubic centimeters that has a mass of 100 grams?

How many electrons does each element require in its valence shell to become stable?

The 0.5-kg flyballs of a centrifugal governor revolve at a constant speed v in the horizontal circle of 160-mm radius shown. neglecting the mass of links ab, bc, ad, and de, and requiring that the links support only tensile forces, determine the range of the allowable values of v so that the magnitudes of the forces in the links do not exceed 75 n.

People are constantly being barraged with low-level radiation. which radiation source below contributes the most low-level radiation exposure to the average person? a) cosmic raysb) medical x-raysc) radond) rocks, soils, and food