4. You are driving on the highway to visit your grandmother. You look to your right and it looks like the car next to you is going backward. Explain this phenomenon.

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.