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A car is taking a turn of radius 400 m o...

A car is taking a turn of radius 400 m on a horizontal circle . Coefficient of friction between the ground and tyres of car is 0.2 . Find the maximum speed with a safe turn can be taken

A

80 m/s

B

`40 sqrt(2) m/s`

C

`20 sqrt(2) m/s`

D

None of these

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The correct Answer is:
C
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