Two asteroids are flying through space, each with an unknown momentum, and The equation shows vector p sub 1.The equation shows vector p sub 2.The equation shows vector p sub x. Which of these is a true statement about the x-component of their total momentum?

Which property of fossils allow scientists to determine the relative rock ages..

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

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.