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Manipal MET2013PhysicsMotion in One Dimension

A car travelling on a straight track moves with uniform velocity of v₁ for some time and with unifrom velocity v₂ for the next equal time the average velocity on the car is

Options

  1. Av₁ v₂ 2
  2. Bv₁ v₂ 4
  3. Cv₁+v₂ 2
  4. Dv₁-v₂ 2

Correct answer

C. v₁+v₂ 2

Step-by-step solution

Average velocity is equal to ratio of total displacement to total time. Velocity is a vector quantity and average velocity is defined as the total displacement undergone by the body per unit time. Displacement in first instance =v₁ t Displacement in second instance =v₂ t Average velocity = v₁ t+v₂ t t+t = v₁+v₂ 2

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