Gases will diffuse from a region of higher concentration to a region of lower concentration. why don't the gases in the earth's atmosphere escape into the near-vacuum of space?

Which of the following is the most correct statement about a gas? A - a gas is not affected by changes in pressure B - a gas holds its shape C - a gas has very little thermal energy D - a gas takes the shape of its container

The bending of light as it passes into a transparent material of different optical intensity is known as?

How much force is required to accelerate a 9.0-g object at 10000 g's?

You measure that it takes 0.75 seconds for a leaf to fall from a tree to the ground. the leaf experiences air resistance as it falls. if there were no air resistance, how long would it take the leaf to fall?

Which type of stress force produces normal faults?

across a rough, horizontal surface. The chair's mass is 18.8 kg. The force you exert on the chair is 165 N directed 26 degrees below the horizontal. While you slide the chair a distance of 6.00 m, the chair's speed changes from 1.30 m/s to 2.50 m/s.

A 5nC charge is placed at the origin of our coordinate system. There are three other charges; 5C located 3m in the positive i direction, 2C located 2m in the negative i direction, and - 4C located 5m in the positive j direction.

Suppose a force of 100 n is used to push an object a distant of 5.0 m in 15 seconds. Find the work done and the power done in this situation.

How do organisms use cellular respiration and fermentation to survive?

You decide to redo Galileo's inclined plane experiment. On the shelf in your pantry you find two cans of soup that are equal in size and weight. One is chicken broth and the other is cream of mushroom. You decide to use these for the experiment.