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A circular road of radius 1000 m has ban...

A circular road of radius 1000 m has banking angle `45^@`. The maximum safe speed of a car having mass 2000 kg will be, if the coefficient of friction between tyre and road is 0.5

A

172 m/s

B

124 m/s

C

99 m/s

D

86 m/s

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