Explain the characteristics of dead stars?

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What is pascal s principle?

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The magnitude of electrostatic force between two identical positive ions that are separated by a distance of 5.0 x 10– 10 m is 3.7 x 10–9 N. (a) What is the charge of each ion? (b) How many electrons are “missing” from each ion?

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Why do we lean forward while climbing up a hill ?

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Is it possible to convert a heat energy into magnetic energy?

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What is sound velocity?

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How many femtometers are in a nanometer?

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What is Electromagnet?

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What is the difference between emf.&pot. Diff.?

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What is the life of permanent magnet and what type of magnet is used in speakers?

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Why dies blotting paper absorb ink ?

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Why does bluing make things whiter ?

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