How could you increase the kinetic energy of a wagon without increasing it's mass

Asample of a gaseous substance changes into a liquid

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.