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CBSE Class 11-science Answered

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Asked by araima2001 | 09 Sep, 2016, 11:08: AM
answered-by-expert Expert Answer
begin mathsize 12px style The space cordinates space of space centre space of space mass space is space top enclose straight x equals fraction numerator integral subscript 0 superscript straight a straight x space straight f open parentheses straight x close parentheses space dx over denominator integral subscript 0 superscript straight a space straight f open parentheses straight x close parentheses space dx end fraction top enclose straight x equals fraction numerator integral subscript 0 superscript straight a straight x space kx squared space dx over denominator integral subscript 0 superscript straight a space kx squared space dx end fraction space....... left parenthesis Here comma space straight f open parentheses straight x close parentheses equals space kx squared right parenthesis top enclose straight x equals fraction numerator integral subscript 0 superscript straight a straight x cubed space dx over denominator integral subscript 0 superscript straight a space straight x squared space dx end fraction top enclose straight x equals open square brackets fraction numerator 3 straight x to the power of 4 over denominator 4 straight x cubed end fraction close square brackets subscript 0 superscript straight a rightwards arrow top enclose straight x equals fraction numerator 3 straight a to the power of 4 over denominator 4 straight a cubed end fraction rightwards arrow top enclose straight x equals fraction numerator 3 straight a over denominator 4 end fraction end style
Answered by Yashvanti Jain | 09 Sep, 2016, 04:15: PM

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CBSE 11-science - Physics
A Uniform Disc of diameter R/2 is put over another uniform disc of radius R of same thickness and Density. The peripheries of the two discs touch each other. The Centre of Mass of the system from centre of the big disc is? (I asked this question before but the answer was wrong. They took the Radius as R/2 while it is the Diameter)
Asked by adipadmakarri | 26 Sep, 2021, 06:08: PM
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CBSE 11-science - Physics
A Uniform Disc of diameter R/2 is put over another uniform disc of radius R of same thickness and Density. The peripheries of the two discs touch each other. The Centre of Mass of the system from centre of the big disc is?
Asked by adipadmakarri | 25 Sep, 2021, 11:18: AM
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CBSE 11-science - Physics
a stone is tied to one end of a string and rotating in a vertical circle. what is the difference in tension of the lowest and highest point of the vertical circle
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CBSE 11-science - Physics
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CBSE 11-science - Physics
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CBSE 11-science - Physics
Give four examples of a rigid body in pure rotation?
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CBSE 11-science - Physics
If a ball or a wheel is made to slide down an inclined plane, what kind of motion can it exhibit?
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CBSE 11-science - Physics
Is it necessary that there should be mass at the centre of mass of a system?
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CBSE 11-science - Physics
What will be the position of centre of mass in case of a plane lamina of the shape of a rectangle?
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What is the centre of mass of a rigid body?
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