A solid copper sphere will sink in water while a hollow copper sphere of the same mass may float.

      

A solid copper sphere will sink in water while a hollow copper sphere of the same mass may float. Explain this observation.

  

Answers


John
Solid copper is denser than water hence the solid sphere sinks, weight is greater than upthrust. Hollow sphere experiences an upthrust equal ti its weight so it will float/density of hollow sphere is less than that of water i.e. volume of water displaced is a lot more than the weight of the sphere.
johnmulu answered the question on February 18, 2017 at 09:36


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