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JEE Main2008PhysicsMechanical Properties of FluidsActual

A spherical solid ball of volume V is made of a material of density ₁ . It is falling through a liquid of density ₂ ( ₂ 0) . The terminal speed of the ball is

Options

  1. AVg ( ₁- ₂ ) k
  2. BVg ₁ k
  3. CV g ₁ k
  4. DVg ( ₁- ₂ ) k

Correct answer

A. Vg ( ₁- ₂ ) k

Step-by-step solution

aligned & ₁ V g- ₂ V g=k v_T^2 & V_T= V g ( ₁- ₂ ) k aligned

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