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NEETPhysicsMotion in One Dimension

How can reaction time be estimated through a simple experiment involving the vertical dropping of a ruler? In a specific case where the ruler travels a distance of 21.0 cm, what is the estimated reaction time?

Options

  1. AReaction time cannot be estimated using this experiment.
  2. BThe estimated reaction time is 0.21 seconds.
  3. CThe estimated reaction time is 2.1 seconds.
  4. DThe estimated reaction time is 21.0 seconds.

Correct answer

B. The estimated reaction time is 0.21 seconds.

Step-by-step solution

Correct Option is : (B) The estimated reaction time is 0.21 seconds.

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