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An open cubical tank was initially fully filled with water. When the tank was accelerated on a horizontal plane along one of its side it was found that one third of volume of water spilled out. The acceleration was

Option: 1

\mathrm{\mathrm{g} / 3}


Option: 2

\mathrm{\mathrm{2g} / 3}


Option: 3

\mathrm{\mathrm{3g} / 2}


Option: 4

\mathrm{None}


Answers (1)

\mathrm{\begin{aligned} &\begin{aligned} & (a-x) a^2+\frac{1}{2} x a^2=\frac{2}{3} a^3 \\\\ & (a-x)+\frac{x}{2}=\frac{2}{3} a \\\\ & a-\frac{x}{2}=\frac{2}{3} a \end{aligned}\\\\ &a-\frac{x}{2}=\frac{2}{3} a\\\\ &\begin{aligned} & x=\frac{2 a}{3} \\\\ & \therefore \tan \theta=\frac{x}{a}=\frac{a c c .}{g} \quad a=\frac{2}{3} g \end{aligned} \end{aligned}}

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Ramraj Saini

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