The diagram below illustrates an a.c.source of 50V(r.m.s.), \(\frac{100}{\pi}\)Hz connected in series with an inductor of inductor of inductance L and a res...

If \(\theta\) is equal to \(\alpha\) at the time the box is just about to slide down the plank, the coefficient of static friction between the plank and box is

a pilot records the atmospheric pressure outside his plane as 63cm of Hg while a ground observer records a reading of 75cm of Hg with his barometer. Assuming...

As the end Q of the plank is raised, the component of W, normal to plank, will

A rectangular block of wood floats in water with two-thirds of its volume immersed. When placed in another liquid, it floats with half of its volume immersed...

I the box is pulled from P to Q, which of the following expresses the velocity ratio of the inclined plane?

which of the following pairs of physical quantities comprises vectors?

The term torque means

A piece of stone attached to one end pf string is whirled round in a horizontal circle. When the string is suddenly cut, the stone will