Question

A man is standing 10 m away from plane mirror start walking towards the mirror with the speed of 2 m/s.find the distance between man and his image after 3 second from startplane mirror start walking towards the mirror with the speed of 2 m/s.find the distance between man and his image after 3 second from start​

Answer 1

Answer:

As we know a plane mirror forms images of the object at the same distance behind it as it is between the object and the mirror (2.5 + 2.5 = 5 m). Therefore, the distance he should walk = 10 m – 2.5m = 7.5 m towards the mirror. Thus, the man must walk 7.5 m towards the mirror before being 5 meters away from his image.

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