True or false. when light passes from one medium to another the speed changes.

A shark swims around his circular pool. What is the centripetal force of the 681kg shark if the pool has a diameter of 14m and it is swimming 1 lap in 80s

The statement that "the lowest energy configuration for an atom is theone having the maximum number of unpaired electrons allowed by thePauli principle in a particular set of degenerate orbitals" is known asa. Pauli Exclusion Princpleb. Hund's rulec.

What does the law of conservation of momentum say?

Which of the following is a densit-independent factor

landslides and mudslides caused by lava flows are ___ deadly than the lava flow itself. a. more b. less

Spiral galaxy rotation curves are generally fairly flat out to large distances. Suppose that spiral galaxies did not contain dark matter.

How are the functions of the cytoskeleton and the cell wall similar

1. How many electrons does the K level of an atom hold?

A puck traveling at 6 m/s in the + x direction hits a wall and bounces back. Right after the collision with the wall it is traveling in the - x direction at 6 m/s.

Sunlight, wind, and running water are essentially "free." Yet renewable energy sources are a very small part of our energy consumption. Why is this?