Laws Of Motion Question 392
Question: What is the minimum stopping distance for a vehicle of mass m moving with speed v along a level road. If the coefficient of friction between the tyres and the road is $ x=40cm $
Options:
A) $ \frac{v^{2}}{2\mu g} $
B) $ \frac{2v^{2}}{\mu g} $
C) $ \frac{v^{2}}{\mu g} $
D) none of these
Show Answer
Answer:
Correct Answer: A
Solution:
$ 0^{2}=V^{2}-2\mu gs $
$ \Rightarrow s=\frac{V^{2}}{2\mu g} $ [a].
