1. The problem statement, all variables and given/known data When a T.rex pursues a jeep in the movie Jurassic Park, we see a reflected image of the T.rex via a side-view mirror, on which is printed the (then darkly humorous) warning: “Objects in mirror are closer than they appear.” Is the mirror flat, convex, or concave? 2. Relevant equations 3. The attempt at a solution The answer is convex, but i dont think that is right. One place said the reason is because it gives an upright small close image. as the image is diminished, the image distance is small when compared to the object distance. and this is the reason for the warning. To me this says the opposite. If the image distance appears smaller than what the object distance is, shouldnt the warning read: Warning: objects in mirror appear closer than they really are. lol. my opinion is that the mirror is concave. that way the image is small and far. and that is the point of the warning. it is telling you that i=10 when p actually equals <10. so you dont make a lane change thinking you have more space than you really have. is the question writer interpreting the warning wrong, or is the explanation wrong? or am i just misunderstanding.