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A rocket of initial mass m, moving with ...

A rocket of initial mass m, moving with a velocity of v, discharges a jet of gases of mean density `rho`and effective area A. The minimum value of v of fuel gas which enables the rocket to rise vertically above is nearly :

A

`((rhog)/(M_(0)A))^(1//2)`

B

`((rhogA)/(M_(0)))^(1//2)`

C

`((m_(0)g)/(rhoA))^(1//2)`

D

`((2m_(0)g)/(rho))^(1//2)`

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The correct Answer is:
A
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