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CBSE Class 10 Answered

Q.1.A man is running towards a plain mirror at the rate of 2m/s. With what speed is he approachin his own image?  
Asked by agraharianiruddha | 11 Dec, 2018, 06:55: PM
answered-by-expert Expert Answer
As you know the distance of object from mirror and distance of image from mirror in plane mirror is equal. If u move x distance toward mirror your image would also move x distance towards mirror so it's basically change in position between image and object is 2x .
So if a person is moving towards mirror with velocity 2m/s image will also move with some velocity towards mirror. But relative to object image will move with velocity of 4m/s.
Answered by Ankit K | 11 Dec, 2018, 10:32: PM

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