A dry cleaner throws a 22 kg bag of laundry onto a stationary 8.1 kg cart. The cart and laundry bag begin moving at 2.5 m/s to the right. Find the velocity of the laundry bag before the collision. Answer in units of m/s.

Your feet feel warmer on a rug than on a tile floor because the rug is a better insulator than tile has more internal energy than tile for the same mass is usually warmer than the tile all of these

Pressure, such as the pressure in a car engine’s pistons, is caused by which of the following:     The speed of the molecules       The average kinetic energy of the molecules       How hot or cold the molecules are       The force of collisions between the molecules and the walls of the container

Which processes are increases in entropy in a substance? Check all that apply. burning wood freezing ice deposition of water vapor boiling water