Question

A plane mirror is moving with velocity 4î + 5j+8ť.
A point object in front of the mirror moves with a
velocity 3i+4j+5k . Here  is along the normal
to the plane mirror and facing towards the object.
The velocity of the image is​

Answer 1

Answer:

please write the complete question.

you are saying A is perpendicular to plane mirror, but haven't mentioned in the question what is A.