Laws Of Motion Question 112
Question: The maximum speed of a car on a road turn of radius 30m; if the coefficient of friction between the tyres and the road is 0.4; will be [MH CET (Med.) 1999]
Options:
A) 9.84 m/s
B) 10.84 m/s
C) 7.84 m/s
D) 5.84 m/s
Show Answer
Answer:
Correct Answer: B
Solution:
$ v=\sqrt{\mu rg}=\sqrt{0.4\times 30\times 9.8}=10.84\ m/s $
