CBSE Class 11-science Answered
Asked by commonuc | 09 Dec, 2015, 08:41: PM
Expert Answer
From the figure,
In case of disc, we consider ring element. Hence, half disc which is of width dy and radius y = r
Y coordinate of the disc can be treated as Y coordinate of it's centre of mass .
In the case of half disc centre of mass is located at the height, from the centre of ring.
In the case of half disc centre of mass is located at the height, from the centre of ring.
Answered by Priyanka Kumbhar | 10 Dec, 2015, 03:26: PM
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