Kinematics Question 754
Question: An unbanked curve has a radius of $ 60m $ . The maximum speed at which a car can make a turn if the coefficient of static friction it’s 0.75, it’s[JIPMER 1999]
Options:
A) 2.1 $ m/s $
B)14 $ m/s $
C) 21 $ m/s $
D)7 $ m/s $
Show Answer
Answer:
Correct Answer: C
Solution:
$ {v _{\max }}=\sqrt{\mu rg}=\sqrt{0.75\times 60\times 9.8}=21m/s $
