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

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

(A) (v₁² -v₂²)/2g           (Ans)

(B) (v₁ – v₂)²/2g

(C) (v₁² -v₂²)/g

(D) (v₁ – v₂)²/g