Solving a problem in physics section 70 point 94 electr
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94. Two metal balls with radii R1 = 2 cm and R2 = 6 cm are connected by a conductor, the capacity of which can be neglected. The balls were charged with charge Q = 1 nC. Find the surface density σ of charges on the balls.
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- Content description 76,5 kB
- Updated on the site 30.05.2020
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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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Cumulative discount
| 30 $ | the discount is 10% |
| 20 $ | the discount is 7% |
| 18 $ | the discount is 6% |
| 15 $ | the discount is 5% |
| 12 $ | the discount is 4% |
| 9 $ | the discount is 3% |
| 6 $ | the discount is 2% |
| 3 $ | the discount is 1% |
Check your discount
Amount of purchases from the seller: $
Your discount: %