Question

A person moves 20 cm towards a plane mirror with
a speed of 25 cm/s. What is the relative velocity of
the image with respect to the person?
​fast answer

Answer 1

Answer:

Now, As boy moves with such speed, his image in the mirror will also approach the mirror surface with the same speed,25 cm/s.so, Relative velocity of image with respect to boy = 25 + 25 = 50 cm

Answer 2

Answer:

-25cm/s

As the person moves with time 0.8s per unit distance i.e time=distance(20)/speed(25) the mirror will take the same duration as the plane mirror have a virtual and errect image with 0 magnification, which result into 25cm/s coming toward the person or opposite motion of the person.

Explanation:

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