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A car is fitted with a convex side-view mirror of focal length 20cm. A second car 2.8 m behind the first car is overtaking the first car at relative speed of 15 m/s. The speed of the image of the second car as seen in the mirror of the first one is ???

A car is fitted with a convex side-view mirror of focal length 20cm. A second car 2.8 m behind the first
car is overtaking the first car at relative speed of 15 m/s. The speed of the image of the second car as
seen in the mirror of the first one is ???

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
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Vikas TU
14149 Points
3 years ago
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Dear student 
Please refer the clear image , 
The image above does not looks good , it is blurr.
Hope for the best 
Good Luck 
Cheers 

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