What is the average velocity of atoms in 1.00 mol of krypton (a monatomic gas) at 347 K? For m, use 0.0838 kg. Please show work & thanks in advance!

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.