Danny is competing in the high jump.

When he is in the air, his body has energy due to its height, and it has energy due to its motion.
A.
thermal; chemical
B.
chemical; kinetic
C.
thermal; potential
D.
potential; kinetic

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

The air that we breath is made mostly of which gaseous molecule

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.