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NEET Class neet Answered

A man runs towards mirror at a speed of  10 m/s. What is the speed of his image?- (1) 20 m/s, (2) 10m/s, (3) 30 m/s, (4) 5 m/s.
Asked by patra04011965 | 17 Jul, 2019, 09:38: PM
answered-by-expert Expert Answer
Speed of image to a stationary observer :-   Speed of image = speed of object = 10 m/s
 
Speed of image as seen by the running man :- 
 
Image approaching the running man with same speed.
Hence relative velocity of image speed with respect to running man = 10 + 10 = 20 m/s
Answered by Thiyagarajan K | 17 Jul, 2019, 11:09: PM
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