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=\sqrt{\mu rg}=\sqrt{0.4\times 30\times 9.8}=10.84m/s $
