A particle of mass $$m$$ moving in the $$x$$-direction with speed $$2v$$ is hit by another partic
If the imaginary part of the expression $$\cfrac{z-1}{{{e}^{\theta t}}}+\cfrac{{{e}^{\theta t}}}{
A charge 10 μC is placed at the centre of a hemisphere of radius R = 10 cm as shown. The elect
The apparent depth of a needle lying at the bottom of the tank, which is filled with water of ref