Question

An unbanked curve has radius of 60 m. The
maximum speed at which the car make a
turn is (take u = 0.75)
1)7 m/s
2)14 m/s
3)21 m/s
4)2.1 m/s​

Answer 1

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The maximum speed at which a car can make a turn if the coefficient of static friction is 0.75 , is. Solution : vmax=√μrg=√0.75×60×9.8=21m/s

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