Posted by **shelby** on Wednesday, March 19, 2008 at 10:32pm.

A uniform plate of height = 1.80 m is cut in the form of a parabolic section. The lower boundary of the plate is defined by: = 1.20 . The plate has a mass of 1.29 kg. Find the moment of inertia of the plate about the y-axis.

- physics -
**drwls**, Thursday, March 20, 2008 at 11:20am
You need to clarify this statement:

<The lower boundary of the plate is defined by: = 1.20 . >

and somehow establish the width X of the parabola at the open end.

The moment of inertia will be some fraction of M X^2 that can be established by calculus.

- physics -
**Anonymous**, Thursday, March 20, 2008 at 2:08pm
it is defined by y=1.20x^2.

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