149931 Two flywheels \(A\) and \(B\) are mounted side by side with frictionless bearings on a common shaft. Their moments of inertia about the shaft are \(5.0 \mathrm{~kg}-\mathrm{m}^{2}\) and \(20.0 \mathrm{~kg}-\mathrm{m}^{2}\) respectively. Wheel \(A\) is made to rotate at 10 revolution per second. Wheel \(B\), initially stationary, is now coupled to \(A\) with the help of a clutch. The rotation speed of the wheels will become

149932 A circular hoop of radius \(50 \mathrm{~cm}\) and mass \(1 \mathrm{~kg}\) rotating with an angular velocity \(\omega_{0}\) is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. Let ' \(v\) ' be the velocity of the centre of the hoop when it ceases to slip. The ratio \(\mathrm{v} / \omega_{0}\) will be:

149933 A mass \(m\) is supported by a massless string wound around a uniform cylinder of mass \(\mathrm{m}\) and radius \(R\). On releasing the mass from rest, it will fall with acceleration

149934 A same torque is applied to a disc and a ring of equal mass and radii then

149936 A solid sphere of radius \(r\) is revolving about one of its diameters with an angular velocity \(\omega\). If it suddenly expands uniformly so that its radius increases to \(\mathrm{n}\) times its original value, then its angular velocity becomes

149931 Two flywheels \(A\) and \(B\) are mounted side by side with frictionless bearings on a common shaft. Their moments of inertia about the shaft are \(5.0 \mathrm{~kg}-\mathrm{m}^{2}\) and \(20.0 \mathrm{~kg}-\mathrm{m}^{2}\) respectively. Wheel \(A\) is made to rotate at 10 revolution per second. Wheel \(B\), initially stationary, is now coupled to \(A\) with the help of a clutch. The rotation speed of the wheels will become

149932 A circular hoop of radius \(50 \mathrm{~cm}\) and mass \(1 \mathrm{~kg}\) rotating with an angular velocity \(\omega_{0}\) is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. Let ' \(v\) ' be the velocity of the centre of the hoop when it ceases to slip. The ratio \(\mathrm{v} / \omega_{0}\) will be:

149933 A mass \(m\) is supported by a massless string wound around a uniform cylinder of mass \(\mathrm{m}\) and radius \(R\). On releasing the mass from rest, it will fall with acceleration

149934 A same torque is applied to a disc and a ring of equal mass and radii then

149936 A solid sphere of radius \(r\) is revolving about one of its diameters with an angular velocity \(\omega\). If it suddenly expands uniformly so that its radius increases to \(\mathrm{n}\) times its original value, then its angular velocity becomes

149931 Two flywheels \(A\) and \(B\) are mounted side by side with frictionless bearings on a common shaft. Their moments of inertia about the shaft are \(5.0 \mathrm{~kg}-\mathrm{m}^{2}\) and \(20.0 \mathrm{~kg}-\mathrm{m}^{2}\) respectively. Wheel \(A\) is made to rotate at 10 revolution per second. Wheel \(B\), initially stationary, is now coupled to \(A\) with the help of a clutch. The rotation speed of the wheels will become

149932 A circular hoop of radius \(50 \mathrm{~cm}\) and mass \(1 \mathrm{~kg}\) rotating with an angular velocity \(\omega_{0}\) is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. Let ' \(v\) ' be the velocity of the centre of the hoop when it ceases to slip. The ratio \(\mathrm{v} / \omega_{0}\) will be:

149933 A mass \(m\) is supported by a massless string wound around a uniform cylinder of mass \(\mathrm{m}\) and radius \(R\). On releasing the mass from rest, it will fall with acceleration

149934 A same torque is applied to a disc and a ring of equal mass and radii then

149936 A solid sphere of radius \(r\) is revolving about one of its diameters with an angular velocity \(\omega\). If it suddenly expands uniformly so that its radius increases to \(\mathrm{n}\) times its original value, then its angular velocity becomes

149931 Two flywheels \(A\) and \(B\) are mounted side by side with frictionless bearings on a common shaft. Their moments of inertia about the shaft are \(5.0 \mathrm{~kg}-\mathrm{m}^{2}\) and \(20.0 \mathrm{~kg}-\mathrm{m}^{2}\) respectively. Wheel \(A\) is made to rotate at 10 revolution per second. Wheel \(B\), initially stationary, is now coupled to \(A\) with the help of a clutch. The rotation speed of the wheels will become

149932 A circular hoop of radius \(50 \mathrm{~cm}\) and mass \(1 \mathrm{~kg}\) rotating with an angular velocity \(\omega_{0}\) is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. Let ' \(v\) ' be the velocity of the centre of the hoop when it ceases to slip. The ratio \(\mathrm{v} / \omega_{0}\) will be:

149933 A mass \(m\) is supported by a massless string wound around a uniform cylinder of mass \(\mathrm{m}\) and radius \(R\). On releasing the mass from rest, it will fall with acceleration

149934 A same torque is applied to a disc and a ring of equal mass and radii then

149936 A solid sphere of radius \(r\) is revolving about one of its diameters with an angular velocity \(\omega\). If it suddenly expands uniformly so that its radius increases to \(\mathrm{n}\) times its original value, then its angular velocity becomes

149931 Two flywheels \(A\) and \(B\) are mounted side by side with frictionless bearings on a common shaft. Their moments of inertia about the shaft are \(5.0 \mathrm{~kg}-\mathrm{m}^{2}\) and \(20.0 \mathrm{~kg}-\mathrm{m}^{2}\) respectively. Wheel \(A\) is made to rotate at 10 revolution per second. Wheel \(B\), initially stationary, is now coupled to \(A\) with the help of a clutch. The rotation speed of the wheels will become

149932 A circular hoop of radius \(50 \mathrm{~cm}\) and mass \(1 \mathrm{~kg}\) rotating with an angular velocity \(\omega_{0}\) is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. Let ' \(v\) ' be the velocity of the centre of the hoop when it ceases to slip. The ratio \(\mathrm{v} / \omega_{0}\) will be:

149933 A mass \(m\) is supported by a massless string wound around a uniform cylinder of mass \(\mathrm{m}\) and radius \(R\). On releasing the mass from rest, it will fall with acceleration

149934 A same torque is applied to a disc and a ring of equal mass and radii then

149936 A solid sphere of radius \(r\) is revolving about one of its diameters with an angular velocity \(\omega\). If it suddenly expands uniformly so that its radius increases to \(\mathrm{n}\) times its original value, then its angular velocity becomes