The 200 lbcrate is being moved by a rope that passes over a smooth pulley. The floor is rough and μs= 0.30. Determine the value of hfor which impending motion by slipping and tipping would occur simultaneously.

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

Which changes of state do the labels represent? a: b: c:

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system