150321 A flywheel of mass \(2 \mathrm{~kg}\) has radius of gyration \(0.5 \mathrm{~m}\). If it makes 10 r.p.s. then its rotational kinetic energy will be

150322 A ring and disc roll on horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic energy of the ring is \(4 \mathrm{~J}\) then total kinetic energy of the disc is

150323 A solid sphere of radius \(r\) is rolling without sliding. The ratio of rotational kinetic energy and total kinetic energy associated with the sphere is

150324 A hollow sphere rolls down from the top of inclined plane. Its velocity on reaching the bottom of plane is \(V_{1}\). When the same sphere slides down from the top of the plane, its velocity on reaching the bottom is \(V_{2}\). The ratio \(V_{2}: V_{1}\) is [Take M.I. of hollow sphere \(=\) \(\frac{2}{3} \mathrm{MR}^{2}\) ]

150321 A flywheel of mass \(2 \mathrm{~kg}\) has radius of gyration \(0.5 \mathrm{~m}\). If it makes 10 r.p.s. then its rotational kinetic energy will be

150322 A ring and disc roll on horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic energy of the ring is \(4 \mathrm{~J}\) then total kinetic energy of the disc is

150323 A solid sphere of radius \(r\) is rolling without sliding. The ratio of rotational kinetic energy and total kinetic energy associated with the sphere is

150324 A hollow sphere rolls down from the top of inclined plane. Its velocity on reaching the bottom of plane is \(V_{1}\). When the same sphere slides down from the top of the plane, its velocity on reaching the bottom is \(V_{2}\). The ratio \(V_{2}: V_{1}\) is [Take M.I. of hollow sphere \(=\) \(\frac{2}{3} \mathrm{MR}^{2}\) ]

150321 A flywheel of mass \(2 \mathrm{~kg}\) has radius of gyration \(0.5 \mathrm{~m}\). If it makes 10 r.p.s. then its rotational kinetic energy will be

150322 A ring and disc roll on horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic energy of the ring is \(4 \mathrm{~J}\) then total kinetic energy of the disc is

150323 A solid sphere of radius \(r\) is rolling without sliding. The ratio of rotational kinetic energy and total kinetic energy associated with the sphere is

150324 A hollow sphere rolls down from the top of inclined plane. Its velocity on reaching the bottom of plane is \(V_{1}\). When the same sphere slides down from the top of the plane, its velocity on reaching the bottom is \(V_{2}\). The ratio \(V_{2}: V_{1}\) is [Take M.I. of hollow sphere \(=\) \(\frac{2}{3} \mathrm{MR}^{2}\) ]

150321 A flywheel of mass \(2 \mathrm{~kg}\) has radius of gyration \(0.5 \mathrm{~m}\). If it makes 10 r.p.s. then its rotational kinetic energy will be

150322 A ring and disc roll on horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic energy of the ring is \(4 \mathrm{~J}\) then total kinetic energy of the disc is

150323 A solid sphere of radius \(r\) is rolling without sliding. The ratio of rotational kinetic energy and total kinetic energy associated with the sphere is

150324 A hollow sphere rolls down from the top of inclined plane. Its velocity on reaching the bottom of plane is \(V_{1}\). When the same sphere slides down from the top of the plane, its velocity on reaching the bottom is \(V_{2}\). The ratio \(V_{2}: V_{1}\) is [Take M.I. of hollow sphere \(=\) \(\frac{2}{3} \mathrm{MR}^{2}\) ]