The rear view mirror of a car is a plane mirror. A
driver is reversing his car at a speed of 2 m s–1. The
driver sees in his rear view mirror the image of a truck
parked behind his car. The speed at which the image
of the truck appears to approach the driver will be
A 1 m s–1
B 2 m s–1
C 4 m s–1
D 8 m s–1
c