- #1

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[itex]z^2=\frac{r^2}{a} y[/itex]

revolving about y-axis. We know that y goes from 0 to "a". We also know the mass of the object (of uniform density). Do you think is my procedure correct? Do you get the same result?

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- Thread starter Marvin94
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- #1

- 41

- 0

[itex]z^2=\frac{r^2}{a} y[/itex]

revolving about y-axis. We know that y goes from 0 to "a". We also know the mass of the object (of uniform density). Do you think is my procedure correct? Do you get the same result?

- #2

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I did wrong calculation. The results should be

(2 m r^2) / 3

without "a".

(2 m r^2) / 3

without "a".

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