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Question 5242
NEET Physics · Hard

Motion in a Straight Line: Non-Uniform Acceleration MCQ

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Non-Uniform AccelerationHardQuestion 5242

Question

A particle starts with velocity 10 m/s and has constant deceleration 2 m/s². The total distance before it stops and returns to start is:
  1. A
    25 m
  2. B
    50 m
    Correct
  3. C
    0 m
  4. D
    100 m

Correct answer

50 m

Explanation

Distance to stop: s₁ = v²/2a = 100/4 = 25 m. On return it covers another 25 m. Total = 50 m.

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