All the electrons within a magnetic substance are oriented

A. in a random pattern.

B. in the same direction

C. so they cancel each other out

The helium that fills a balloon is an example of which state of matter?

A poker is a stiff, nonflammable rod used to push burning logs around in a fireplace. for safety and comfort of use, the poker should be made from a material with which properties?

An astronaut weighs 8.00x10^2 newtons on the surface of Earth. What is the weight of the astronaut 6.37x10^6 meters above the surface of Earth?

Two airplanes leave an airport at the same time. The velocity of the first airplane is 650 m/h at a heading of 60.5 ◦ . The velocity of the second is 560 m/h at a heading of 85◦ . How far apart are they after 2.9 h?

Mateo makes a table of the symbols that represent the parts of an electric circuit.

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

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?