Kinematics Question 764

Question: The maximum speed of a car on a road?turn of radius 30 m, if the coefficient of friction between the tyres and the road is 0.4, will be [CBSE PMT 2000]

Options:

A) 10.84 m/sec

B)9.84 m/sec

C) 8.84 m/sec

D)6.84 m/sec

Show Answer

Answer:

Correct Answer: A

Solution:

v=μrg=0.4×30×9.8=10.84m/s



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