Along straight wire has fixed negative charge with a linear charge density of magnitude 4.6 nc/m. the wire is to be enclosed by a coaxial, thin-walled, nonconducting cylindrical shell of radius 2.2 cm. the shell is to have positive charge on its outside surface with a surface charge density σ that makes the net external electric field is zero. calculate σ.
Answers: 3
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Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s
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Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?
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The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Along straight wire has fixed negative charge with a linear charge density of magnitude 4.6 nc/m. th...
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