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An express train is moving with a veloci...

An express train is moving with a velocity `v_1`. Its driver finds another train is movig on the same track in the same direction with velocity `v_2`. To escape collision, driver applies a retardation a on the train. The minimum time of escaping collision be

A

`t = (v_(1)-v_(2))/(a)`

B

`t_(1) = (v_(1)^(2)-v_(2)^(2))/(2)`

C

None

D

Both

Text Solution

Verified by Experts

The correct Answer is:
A
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