A uniform sphere of radius a rotating with an angular velocity `omega` about an axis perpendicualr to the plane of motion and its cener impinges on a horizontal plane, let u and v are horizontal and vertical component of velocity before impact. Then

A heavy disc is rotating with uniform angular velocity omega about its own axis. A piece of wax sticks to it. The angular velocity of the disc will

A uniform heavy disc is rotating at constant angular velocity omega about a vertical axis through its centre and perpendicular to the plane of the disc. Let L be its angular momentum. A lump of plasticine is dropped vertically on the disc and sticks to it. Which of the following will be constant?

A horizontal ring of radius r spins about its axis with an angular velocity omega in a uniform vertical magnetic field of magnitude B . The emf induced in the ring is

A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity omega about a vertical axis passing through one end. The tension in the rod at a distance x from the axis is

A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity omega about a vertical axis passing through one end. The tension in the rod at a distance x from the axis is

A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity omega about a vertical axis passing through one end. The tension in the rod at a distance x from the axis is

A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis perpendicular to the plane at an angular velocity omega . Another disc of mass M / 3 but same radius is placed gently on the first disc coaxially . the angular velocity of the system now is

A sphere of mass m is rotated about its axis by an angular velocity omega and lowered gently on an inclined plane as shown in figure. Then initally

An aeroplane takes off at an angle of 60^(@) to the horizontal.If the velocity of the plane is 200kmh^(-1) ,calculate its horizontal and vertical component of its velocity.

An aeroplane takes off at an angle of 60^(@) to the horizontal.If the velocity of the plane is 200kmh^(-1) ,calculate its horizontal and vertical component of its velocity.