To calculate the torque required to stop an object with zero initial velocity and assuming no friction, we need to consider the object's moment of inertia. The moment of inertia depends on the shape and mass distribution of the object.
If we assume that the object is a point mass rotating about an axis, the torque required to stop it can be calculated using the equation:
Torque = Moment of inertia * Angular acceleration
If the object is not a point mass and has a defined shape, we need to use the appropriate equation for its moment of inertia.
Without specific information about the object's shape and mass distribution, it is not possible to provide an exact value for the torque required to stop it.