When a perfume bottle is opened, some liquid changes to gas and the fragrances spreads around the room.

Which describes acceleration involving only a change in direction?

Based on the number of valence electrons, what is the correct formula when nitrogen bonds to hydrogen? A) NH2 B) NH3 C) NH4 D) N2H

Which port is used to transmit slow data over long distances?

Maintaining and healthy weight reduces physical stress on body true or false

If the Sun were twice as massive, its pull on Mars would be A. unchanged. B. twice. C. half. D. four times as much.

What three forms of kinetic energy can a polyatomic molecule have?

A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler - ates at 2.0 m/s2. She reaches the ground with a speed of 3.0 m/s.

Why the weight of a body decreases with increases in distance from the earth's surface

On a fishing trip Justin rides in a book 12 km south. The fish aren't biting so they go for kilometers west. They then follow a school of fish 1 km north. What distance did they cover? What was their displacement?

Why is thebsun so bright and hot?