Which of the following describes the effect of a convex mirror on light rays?
a. it reflects light rays inward.
b. it reflects light rays outward.
c. it has no effect on light rays.
d. it has the same effect on light rays as a concave mirror.

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.