003 Weight of an iron shell

Tags: 
spherical shell
unit weight
sphere
volume of the sphere
iron ball
iron shell
spherical ball

Example 003
An iron ball 10 cm in diameter weighs 4 kg. Find the weight of an iron shell 5 cm thick whose external diameter is 50 cm.
 

Solution 003

 
Submitted by Romel Verterra on December 21, 2010 - 8:24pm
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