Object A and Object B have the same mass and are travelling at the same speed. Object A is travelling East while Object B is travelling West. Discuss the changes in
kinetic energy of the system for each type of collision: elastic and inelastic.

Which of the following is an example of motion in two dimensions?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

How does the entropy of steam compare to the entropy of ice?