Question

Select One Correct Option from the following: A long horizontal rod has a bead which can slide along its length is initially placed at a distance L from one end A of the rod. The rod set in angular motion about A with a constant angular acceleration α. the coefficient of friction between the rod and bead is $\mu$ and gravity neglected, then the time after which the bead starts slipping is
(A)$\sqrt{\frac{\mu}{\alpha } }$
(B)$\frac{\mu}{\sqrt{\alpha } }$
(C)$\frac{1}{\sqrt{\mu\alpha } }$
(D)infinitesimal.

Answer 1

yes d option is correct.
mark brainliest if you like.

Answer 2

(A)$\sqrt{\frac{\mu}{\alpha } }$

(B)$\frac{\mu}{\sqrt{\alpha } }$

(C)$\frac{1}{\sqrt{\mu\alpha } }$

✴️(D)infinitesimal.