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A practical application of electrical i...

A practical application of electrical interaction of solids . For example, florida phosphate ore, consisting of small particles of quartz and phosphate rock, can be separated into component by applying a uniform electric field as in figure.

Assuming zero initial velocity and displacement, determine the separation between the particles after fall g = 80 cm. Take E = 0.5 `MV //m` and specific charge for both positive and negative charge particle `9 mu C //kg.`

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The correct Answer is:
73.4 cm
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