Kinematics Question 781

Question: The coefficient of friction between the tyres and the road is 0.25.The maximum speed with which a car can be driven round a curve of radius 40 m without skidding it’s (assume g=10ms2 ) [Kerala (Med.) 2002]

Options:

A) 40ms1

B)20ms1

C) 15ms1

D)10ms1

Show Answer

Answer:

Correct Answer: D

Solution:

v=μrg=0.25×40×10=10m/s



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