Laws Of Motion Question 126

Question: Consider a car moving on a straight road with a speed of 100 m/s. The distance at which car can be stopped is $ [{{\mu } _{k}}=0.5] $ [AIEEE 2005]

Options:

A) 100 m

B) 400 m

C) 800 m

D) 1000 m

Show Answer

Answer:

Correct Answer: D

Solution:

$ s=\frac{u^{2}}{2\mu \ g}=\frac{{{(100)}^{2}}}{2\times 0.5\times 10}=1000\ m $



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