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 start
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If you will move towards the mirror with a speed of 2 m/s , the mirror image will move towards to you with speed of 2 m/s only. Thus, your speed towards mirror + mirror image speed towards you is 4 m/s, 2+2 = 4 m/s.
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