Five uniform circular plates , each ...

Five uniform circular plates , each of diameter D and mass m are laid out in a pattern shown . Using the origin shown , find the y co - ordinate of the centre of mass of the five - plate system .

2D/5

4D/5

D/3

D/5

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The correct Answer is:

`Y_(cm) = (m_(1)Y_(1)+m_(2)Y_(2)+....)/(m_(1)+m_(2)+....)`

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