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NEET2022PhysicsMotion in One DimensionActual

The displacement-time graphs of two moving particles make angles of 30 ° and 45 ° with the x -axis as shown in the figure. The ratio of their respective velocity is:

Options

  1. A1 : 1
  2. B1 : 2
  3. C1 : 3
  4. D3 : 1

Correct answer

C. 1 : 3

Step-by-step solution

Slope of displacement-time graph is velocity. v 1 v 2 = tan θ 1 tan θ 2 = tan 30 ° tan 45 ° = 1 3 ⇒ v 1 : v 2 = 1 : 3

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