If your friend said that kinetic energy was changing to potential energy at point C, how would you respond?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

=force × distance a. work b. velocity c. pressure d. momentum

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.