Each color that we see corresponds to a different of light.
a. speed
b. phase
c. amplitude
d. wavelength

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

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.

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?