Question
Question: The driver of a truck traveling with a velocity v suddenly notices a brick wall in front of him at a...
The driver of a truck traveling with a velocity v suddenly notices a brick wall in front of him at a distance d. To avoid crashing into the wall
A
He should apply brakes
B
He should take a circular turn without applying brakes
C
Both (1) and (2) alternately
D
Data is insufficient.
Answer
He should apply brakes
Explanation
Solution
For taking a circular turn to avoid, accident, the acceleration acquired will be v2/d Thus additional effort is required to meet this acceleration.