Which of the following is not a valid equation for describing the behavior of gases?

A. (P1/V1) = (P2/V2)

B. PV = nRT

C. P1V1 = P2V2

D. (V1/T1) = (V2/T2)

A 10,000 N piano is dropped from the top of a building. When the piano reaches terminal speed ... a. What is the net force on the piano? b. What is the force of air resistance on the piano?

What are the four layers of oceanic crust from top to bottom?

The average human walks at a speed of 5km per hour if your PE teacher asks you to walk for 30 minutes in gym class how far would you walk (km) ?

Can an object have an instantaneous velocity if it has zero acceleration?

Convert 24.85 cm to m

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?