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A train of length 200m switches on its h...

A train of length 200m switches on its heat when it starts moving wioth accelertion `0.5m//s^(-2)` Some time later , its tail light is switched on .An observer on the ground notices that the two events occur at the same place .The time interval between the two enents is

A

`10sqrt(2)S`

B

20S

C

`20sqrt(2)s`

D

40S

Text Solution

Verified by Experts

The correct Answer is:
C
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