A dynamics cart of mass 1.70 kg on a horizontal table is attached to a suspended mass of 0.40 kg and released from rest. If a frictional force of 2.0 N opposes the motion of the cart, find how far the cart travels in 1.5 s.

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

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.

Why do astronauts in the space shuttle weigh less?