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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
Electric sheilding 
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CBSE 12-science - Physics
explain this concept
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CBSE 12-science - Physics
A dumbbell consists of two masses A and B each of mass m joined by a light rod of length l with mass B attached to a suspension point O by a light rod of length l as shown in figure. Find the minimum required speed with which mass A to be projected horizontally so that the system completes the vertical circular motion.
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CBSE 12-science - Physics
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CBSE 12-science - Physics
please resolve with good explanation
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CBSE 12-science - Physics
what are ghost particles please answer how is that not able to interact with other subatomic particles ..?is that faster than photons?
Asked by mohapatraswetalina88 | 21 Apr, 2024, 12:18: PM
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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
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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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