A long horizontal rod has a bead which can slide long its length

A long horizontal rod has a bead which can slide long its length and initially placed at a distance L from one end A of the rod.The rod is set in angular motion about A with constant angular acceleration α.If the coefficient of friction between the rod and the bead is ? and gravity is neglected, then the time after which the bead starts slipping is

Options

(a) √? / α
(b) ? / √α
(c) 1 / √?ᅫᄆ
(d) infinitesimal

Correct Answer:

√? / α

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. The speed of light in media M₁ and M₂ are 1.5×10⁸ ms⁻¹ and 2×10⁸ ms⁻¹ respectively.
  2. The time of reverberation of a room A is one second. What will be the time (in seconds)
  3. If ∆U and ∆W represent the increase in internal energy and work done by the system
  4. which of the following can not be emitted by radioactive substances during their decay?
  5. Electrons in the atom are held to the nucleus by