Question

5
A circular racetrack of radius 300 m is banked at an angle of 20°. If the coefficient of friction
between the wheels of the race car and the road is 0.2, what is the approximate maximum
permissible speed of the race car ? 8 = 9.8
(A) 88.2 ms-
(B) 86.4 ms-1
(C) 42.3 ms -1
(D) None of the given​

Answer 1

Answer:

b 86.4 ms-¹

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