Lucy's skis have a combined area of 0.4m^2. Calculate the pressure Lucy exerts on the snow.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

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.

How many astronauts have walked on the moon?