Car B overtakes another car A at a relative speed of 40 ms-1. How fast will the image of car B appear to move in the mirror of focal length 10 cm fitted in car A, when the car B is 1.9 m away from the car A?
1
0.1 ms-1
2
0.2 ms-1
3
40 ms-1
4
4 ms-1
5
Question Not Attempted