A man is moving with velocity 25m/s towards a mirror & the mirror is moving with
velocity 50km/h towards the man. How fast is the image moving & in which direction.
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Explanation:
First find the relative velocity of man wrt mirror,
which is = man velocity - mirror velocity
= 25*18/5-(-50)---------------(m/s to km/h)
= 90-(-50)
= 140km/hr.
now in this relative velocity frame , if mirror is supposed to be at rest the man is moving towards mirror with the velocity of 90km/h.
Therefore the image is moving with 90km/h towards the mirror
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