Healthy blood vessels do what more easily? open close or move

When two electron in a chemical bond are equally shared between two different atoms, what is the bond

Forces that affect objects without touching them are called field forces. Is gravity a field force? Explain.

Two parallel plates have a potential difference between them. The distance between the plates is halved, but the electric field between them remains constant. How did the potential difference change? A. Potential difference was halved. B.

Which element of art creates edges of shapes and visual cues for the viewer in terms of both motion and space? a. emphasis b. form c. line d. unity

A child moving at constant velocity carries a 2 N ice cream cone 1 m across a level surface. Is she doing work? a. Yes, because the force acts perpendicular to the direction of motion c.

an egg (0.05 kg) hits the ground at a speed of 10 m/s and cracks. what was the momentum of the egg when it hit?

What did nikola tesla spend his time/money doing?

Why coulomb's law apply only to spherically symmetric charges?

A combustion reaction usually gives off heat and light is it true or false

Which best describes the differences between how Ptolemy and Copernicus described the solar system? A. Ptolemy saw the sun at the center of the solar system, while Copernicus saw the earth as the center. B.