A car is fitted with a convex side-view mirror of focal length 20 cm. A second car 2.8m
Channel: Doubtnut
Date: 2020-07-12

A car is fitted with a convex side-view mirror of focal length 20 cm. A second car 2.8m behind the first car is overtaking the first car at a relative speed of 15 `m/s`. The speed of the image of the second car as seen in the mrror of the first one is: