A metal sphere has radius r and density ρm.When the sphere is suspended from a springstretched a distance 2r from its equilibriumlength and half of the sphere is submergedin a fluid of density ρf , the sphere hangsmotionless.
A metal sphere has radius r and density ρm.When the sphere is suspended
from a springstretched a distance 2r from its equilibriumlength and half of the sphere is submergedin a fluid of density ρf , the sphere hangsmotionless. What is k, the spring’s constant?Neglect any buoyant force due to the air. The volume of a sphere is 4/3πr3