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NEET2006PhysicsGravitationActual

Two planets are revolving around the earth with velocities v₁ and v₂ and in radii r₁ and r₂ (r₁ r₂ ) respectively. Then:

Options

  1. Av₁=v₂
  2. Bv₁ v₂
  3. Cv₁ v₂
  4. Dv₁ r₁ = v₂ r₂

Correct answer

B. v₁ v₂

Step-by-step solution

Orbital velocity v= g r v₁ v₂ = r₁ r₂ As, r₁ r₂ so, v₁ v₂ .

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