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In each of the following cases, the mass is 7.99 kg and the radius is 7.50 cm. (a) What is the moment of inertia (kg/m2 ) of a...Asked by john
In each of the following cases, the mass is 7.99 kg and the radius is 7.50 cm.
(a) What is the moment of inertia (kg/m2
) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylinder?
(b) What is the moment of inertia (kg/m2
) of a solid sphere rotating about an axis tangent to its surface?
The wording in (a) is confusing me. I tried but wasn't even close on both.
a)=0.0674
b)=0.0629
here are the answers can someone help me figure out how?
(a) What is the moment of inertia (kg/m2
) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylinder?
(b) What is the moment of inertia (kg/m2
) of a solid sphere rotating about an axis tangent to its surface?
The wording in (a) is confusing me. I tried but wasn't even close on both.
a)=0.0674
b)=0.0629
here are the answers can someone help me figure out how?
Answers
Answered by
drwls
Read and apply the parallel axis theorem.
http://hyperphysics.phy-astr.gsu.edu/hbase/parax.html
http://hyperphysics.phy-astr.gsu.edu/hbase/parax.html
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