Questions without an upvoted answer in Others

Given $f(x, y)=x^{2}-2 x y+y^{2}$The complete contour of the equation $f(x, y)=1$ is described by the option(s) $\_\_\_\_$.A line, $x-y=1$A circle with radius $1$An ellip...

Water $\text{(density:}\;1000\;\text{kgm}^{-3})$ stored in a cylindrical drum of diameter $1\;\text{m}$ is emptied through a horizontal pipe of diameter $0.05\;\text{m}$....

A U-tube manometer of tube diameter $D$ is filled with a liquid of zero viscosity. If the volume of the liquid filled is $V$, the natural frequency of oscillations in the...