A solid cylindrical needle of diameter d , length L , and density n may fl oat in liquid
Chapter 1, Problem p1.69(choose chapter or problem)
A solid cylindrical needle of diameter d , length L , and density n may fl oat in liquid of surface tension Y . Neglect buoyancy and assume a contact angle of 0 8 . Derive a formula for the maximum diameter dmax able to fl oat in the liquid. Calculate dmax for a steel needle (SG 5 7.84) in water at 20 8 C.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer