A sphere of mass 4 kg is attached to one end of a steel wire of length 1 m and radius 1 mm. It is whirled in a vertical circle with an angular velocity 10rad s^(-1). If the sphere is at the lowest point of its path, the elongation in the wire is ______

A sphere of mass 4 kg is attached to one end of a steel wire of length

1.	A sphere of mass 4 kg is attached to one end of a steel wire of length 1 m and radius 1 mm. It is whirled in a vertical circle with an angular velocity 10rad s^(-1). If the sphere is at the lowest point of its path, the elongation in the wire is ______
Answer» 0.2 MM 0.3 mm 0.7 mm 0.4 mm Answer :3