JEE Main 20209 Jan, Morning shiftPhysicsMediumRotational Motion140× since 2002
A body of mass m = 10 kg is attached to one
end of a wire of length 0.3 m. The maximum
angular speed (in rad s^–1) with which it can be
rotated about its other end in space station is :
(Breaking stress of wire = 4.8 × 10⁷ Nm^–2 and
area of cross-section of the wire = 10^–2 cm²) is: