Tooth fillings are often made of gold or porcelain because these materials are
a. explosive
c. visually pleasing
b. nonreactive
d. chemically similar to teeth

What changes would result in a decrease in the gravitational force between two objects? check all that apply.

The slotted link is pinned at o, and as a result of rotation it drives the peg p along the horizontal guide. compute the magnitude of the velocity and acceleration of p along the horizontal guide. compute the magnitudes of the velocity and acceleration of p as a function of θ if θ=(3t) rad, where t is measured in seconds.

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?