NEET Physics · Medium

Motion in a Straight Line: Mixed Motion Concepts MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Mixed Motion ConceptsMediumQuestion 5252

Question

The braking distance of a vehicle moving at speed v with deceleration a is:
  1. A
    v/a
  2. B
    v²/2a
    Correct
  3. C
    2v/a
  4. D
    v²/a

Correct answer

v²/2a

Explanation

v² = u² − 2as. At rest: 0 = v² − 2a·s → s = v²/2a.