Physics-Speed & Velocity
NEET Physics Speed & Velocity MCQ Question
Type: MCQ-fact-Hard-Class 11
What happens to the stopping distance of a vehicle if its initial velocity is doubled, assuming the same deceleration?
A
It increases by a factor of 4.
B
It stays the same.
C
It increases by a factor of 2.
D
It decreases by a factor of 4.
Correct Answer
Option A
Detailed Explanation
According to the equation of motion noted in the NCERT context, the stopping distance is proportional to the square of the initial velocity, so doubling the initial velocity increases the stopping distance by a factor of 4.
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