SOLUTION: THE EXTERNAL DIAMETER OF A HOLLOW METAL SPHERE IS 12cm AND ITS THICKNESS IS 2cm . FIND THE RADIUS OF A SOLID SPHERE MADE OF THE SAME MATERIAL AND HAVING THE SAMA MASS AS THE HOLLO
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Question 1009959: THE EXTERNAL DIAMETER OF A HOLLOW METAL SPHERE IS 12cm AND ITS THICKNESS IS 2cm . FIND THE RADIUS OF A SOLID SPHERE MADE OF THE SAME MATERIAL AND HAVING THE SAMA MASS AS THE HOLLOW SPHERE . GIVEN THAT THE MASS OF 1cm3 OF THE METAL IS 5.4g , FIND THE MASS OF THE SPHERE IN KG.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find the volume of the hollow sphere MATERIAL;
Find the radius of the non-hollow sphere of this same volume value;
Find the mass, using the density .
Needed basic formula, .
Starting in with the given values,
volume,
Filled sphere with the same volume,
, almost 9, just a little bit less.
MASS:
Simplify and compute as needed.
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