Question

A vehicle is moving on a rough horizontal road with velocity v. The stopping distance will be directly proportional to

• A. $\sqrt { v }$
• B. v
• C. $v ^ { 2 }$
• D. $v ^ { 3 }$

Answer 1

Answer: (C)

$v ^ { 2 }$

Answer 2

As $s = \frac { v ^ { 2 } } { 2 a }$ ∴ .