Q. At time , a disk of radius starts to roll without slipping on a horizontal plane with an angular acceleration of . A small stone is stuck to the disk. At , it is at the contact point of the disk and the plane. Later, at time , the stone detaches itself and flies off tangentially from the disk. The maximum height (in ) reached by the stone measured from the plane is . The value of is ___[ [Take .]

 1325  127 JEE AdvancedJEE Advanced 2022 Report Error

Answer: 0.52

Solution:

image
At
at




image




Maximum height from plane,