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CBSE Class 12-science Answered

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Asked by skmoin216 | 12 Sep, 2020, 01:40: PM
answered-by-expert Expert Answer
W e i g h t space o f space b u c k e equals 20 k g W e i g h t space o f space a space r o p e space o f space l e n g t h space x space m space i s space 0.2 x W o r k space d o n e space i n space r a i sin g space t h e space r o p e space a n d space b u c k e t space b y space d e p t h space d x space i s space open parentheses 20 plus 0.2 x close parentheses g d x N o w space i n t e g r a t i n g space b o t h space s i d e s space f r o m space x equals 0 space t o space x equals 20 m W equals integral subscript 0 superscript 20 space open parentheses 20 plus 0.2 x close parentheses open parentheses 10 close parentheses d x O n space i n t e g r a t i n g space w e space g e t W equals 4000 plus 400 equals 4400 J
Answered by Utkarsh Lokhande | 12 Sep, 2020, 04:46: PM

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CBSE 12-science - Physics
solve it
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Asked by rp978841 | 08 May, 2024, 09:01: PM
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CBSE 12-science - Physics
A charge q is enclosed by a spherical surface of radius R.If the radius is reduced to half,how would the electric flux through the surface change?
Asked by ankush76728 | 06 May, 2024, 04:52: PM
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CBSE 12-science - Physics
A point charge 2 micro coulomb is at the centre of a cubic Gaussian surface 9cm on edge.What is the net electric flux through the square?
Asked by ankush76728 | 05 May, 2024, 09:55: PM
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CBSE 12-science - Physics
here
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Asked by parallelpie595 | 04 May, 2024, 06:58: PM
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CBSE 12-science - Physics
a car battery of 12V as a current 7.5 a when 1.2 oh m load is applied find the internal resistance of the battery
Asked by heymindurownbusiness | 04 May, 2024, 11:15: AM
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CBSE 12-science - Physics
superposition principle
Asked by talulu | 01 May, 2024, 05:14: PM
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CBSE 12-science - Physics
question no. 7
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Asked by kanishkg511 | 30 Apr, 2024, 07:25: PM
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CBSE 12-science - Physics
pls someone solve this
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Asked by sahoobanita89 | 30 Apr, 2024, 05:10: AM
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CBSE 12-science - Physics
Electric sheilding 
Asked by divakar.9124 | 27 Apr, 2024, 10:42: PM
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CBSE 12-science - Physics
explain this concept
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Asked by panneer1766 | 24 Apr, 2024, 01:52: PM
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