Question

A trailer is caring a plane mirror in the carriage. White reversing, it is approaching a person strest with a speed of 4 ms. The mirror is placed in such a
way that the person can see his image in it. The speed at which the image of the person in the mirror will approach him is​

Answer 1

Answer:

in a plane mirror if the emirror moves at a speed of v the image moves at a speed of 2v

So In this case the person moves with a speed of 4m/s then the image of the mirror will approach him in 2× 4= 8m/s