a boat off the coast of Florida is traveling 30 km an hour for a passenger on the boat walks to the back of the boat at 5 km an hour which of the following is the persons be relative to the water

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

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.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these