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

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

A

172`m//s`

B

124`m//s`

C

99`m//s`

D

86`m//s`

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A
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