A car starts from rest with an acceleration 6m//s^(2) whichdecreases to zero linearly with time, in 10 second, after which the car continues to travell with constant speed. The time required for the car to travel 400 mfrom the start is 16.67t sec. The value of 't' is

A car starts from rest with an acceleration 6m//s^(2) whichdecreases t

1.	A car starts from rest with an acceleration 6m//s^(2) whichdecreases to zero linearly with time, in 10 second, after which the car continues to travell with constant speed. The time required for the car to travel 400 mfrom the start is 16.67t sec. The value of 't' is
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