Q.

The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity)

  • A(v₁² -v₂²)/2g
  • B(v₁ - v₂)²/2g
  • C(v₁² -v₂²)/g
  • D(v₁ - v₂)²/g
Correct Answer : (A)

(v₁² -v₂²)/2g

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