According to kinetic molecular theory, which statement best describes collisions between gas particles?

A. They are elastic. B. They are predictable. C. They decrease the particles' energy. D. They cause the particles to stick together.

Which has more kinetic energy, a feather floating through the air or a rock on the ground? Explain.

An unconformity represents a period of erosion. True False

The ends of a magnet where the force is strongest are magnetic A) fields B) poles C) domains D) currents

A hammer is accidentally dropped from a scaffold where a crew is working. It takes the hammer 2.5 s to hit the ground. How high is the scaffold?

One lens of a nearsighted person's eyeglasses has a focal length of - 28.0 cm, and the lens is 1.8 cmfrom the eye.

Define light year and explain how and why light years are used to measure distances in the universe

A farmer had 15 sheep, and all but 8 died. How many are left?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?