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CBSE Class 12-science Answered

How does the change in the center of mass affect the time period of Bob? explain briefly with diagram 
Asked by rushabh123 | 03 Dec, 2019, 12:56: PM
answered-by-expert Expert Answer
Period of simple pendulam depends of length, which is the distance between suspension point and centre of mass of bob.
 
hence if centre of mass is changed in its position, time period changes
Answered by Thiyagarajan K | 04 Dec, 2019, 09:31: AM

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CBSE 12-science - Physics
if breakdown voltage of each capacitor is 40v ,then maximum applied voltage Vmax will be
Asked by aishaisha091098 | 19 Apr, 2024, 04:54: PM
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CBSE 12-science - Physics
explain
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CBSE 12-science - Physics
solve option e
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Asked by dasrituparna1999 | 13 Apr, 2024, 06:56: AM
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CBSE 12-science - Physics
The number of moles in an elemental sample is just the ratio of the mass m to atomic mass 4. n= A The number of protons N, in an elemental sample is Z (atomic number) times the number of moles of Avogadro's number NA N=ZnN P A Copper has an atomic mass of 63.5 g/mole and 29 protons per atom. If such an atom were neutral, then it would have as many protons as electrons. If you remove electrons from a neutral state, then you get a net positive charge. Given a 54 gram ball of copper with a net charge of 2.2 µC, what fraction of the copper's electrons have been removed?
Asked by dasrituparna1999 | 12 Apr, 2024, 09:26: PM
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CBSE 12-science - Physics
which answer is correct and most appropriate with explanation
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Asked by mishrigupta19319 | 08 Apr, 2024, 06:28: PM
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CBSE 12-science - Physics
8212
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Asked by madhav9119887644 | 07 Apr, 2024, 08:10: PM
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CBSE 12-science - Physics
ans the questions wit reason
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Asked by mishrigupta19319 | 07 Apr, 2024, 11:23: AM
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CBSE 12-science - Physics
I don't know which concept and formula is used
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CBSE 12-science - Physics
what is the mass of the bidy
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CBSE 12-science - Physics
13./A point charge of 12 µC is located at the centre of a cube of side 1 m. Calculate the electric flux through each face of the cube. (H.S.S.C.E.1999~S) [Ans. 2.26\times10^{5}N~m^{2}C^{-1}]
Asked by hussain221man | 05 Apr, 2024, 08:44: PM
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