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A passenger train is moving with speed v1 on rails. The driver of this train observe another goods train moving in the same direction v 2 (v 1 >v 2 ). If on applying brakes, the retardation produced is a, then the minimum distance covered by the passenger train so that if may not collide with the goods train will be (a) (v 1 2 –v 2 ) /2a (b) (v 1 +v 2 ) 2 /2a (c) (v 1 -v 2 ) 2 /2a (d) Information is incomplete.

A passenger train is moving with speed v1 on rails. The driver of this train observe another goods train moving in the same direction v2(v1>v2). If on applying brakes, the retardation produced is a, then the minimum distance covered by the passenger train so that if may not collide with the goods train will be


 



(a)           (v12 –v2) /2a


(b)           (v1+v2)2 /2a


(c)           (v1-v2)2 /2a


(d)           Information is incomplete.

Grade:10

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
576-361_3.PNG
Vikas TU
14149 Points
2 years ago
576-361_3.PNG
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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