Physics

The displacement of an object attached to a spring and executing simple harmonic

The displacement of an object attached to a spring and executing simple harmonic motion is given by x=2x10⁻² cos πt…

One-fourth length of a spring of force constant K is cut away. The force constant

One-fourth length of a spring of force constant K is cut away. The force constant of the remaining spring will…

Moment of inertia of a uniform circular disc about a diameter is I. Its moment

Moment of inertia of a uniform circular disc about a diameter is I. Its moment of inertia about an axis…

From a disc of radius R, a concentric circular portion of radius r is cut-out so

From a disc of radius R, a concentric circular portion of radius r is cut-out so as to leave an…

Two cars A and B moving with same speed of 45 km/hr along same direction.

Two cars A and B moving with same speed of 45 km/hr along same direction. If a third car C…

A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed

A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed…

A particle is moving in a circle with uniform speed v. In moving from a point to another

A particle is moving in a circle with uniform speed v. In moving from a point to another diametrically opposite…

A cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same

A cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same effort, he throws…

A long straight wire of radius a carries a steady current I. The current is uniformly

A long straight wire of radius a carries a steady current I. The current is uniformly distributed over its cross-section.…

A long wire carrying a steady current is bent into a circular loop of one turn.

A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at…