Q. Which among the following is the standard symbol for Atwood number?

निम्नलिखित में से कौन एटवुड संख्या के लिए मानक प्रतीक है?

A_r
ए_आर

A
ए

a
ए

AR
एआर

The Atwood number (Aₜ) is used in buoyancy and fluid instability problems. It is defined as:

A_t = \frac{\rho_1 - \rho_2}{\rho_1 + \rho_2}

Where $\rho_1$ and $\rho_2$ are fluid densities. The standard symbol is Aₜ, though some texts just use A.

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