- Find the total charge inside the volume indicated: Py = 4xyz; 0 < p < 2, 0 < ¢ <÷;0
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Q: Coulomb's law for the magnitude of the force F between two particles with charges Q and Q separated…
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Q: D9.7. A point charge of 4 cos 10 rt µC is located at P,(0, 0, 1.5), whereas -4 cos 10 zt µC is at…
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Q: An initially neutral piece of plastic is has 1.09 x 1015 electrons removed from it. Determine the…
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- (2-10) A charge q1 = -5 µC is located at (x,y)=(0,3) m. Another charge of q2 = +4 µC is located at (4.5,3) m. O (0,0)104. In copper there is approximately one free electron for each atom. A copper coin has a mass of m=3 g. (k=9.10° N.m²/C², NA=6.02.10²3 mol-¹, e--1.6.10-¹9 C, M-63.5 g/mol) 1) What percentage of the free charge would have to be extracted from the currency for it to acquire a charge of q=15 UC? a)2,69.107 % b)2,99.107 % c)3,29.10.7 % d)3,59.10-7% e)3,89.107 % II) What would be the force of repulsion between two coins that have this charge, if they were separated by a distance of d = 25 cm? (Assume currency as a point charge) (a)30.4 N b)32.4 N (c)34.4 N (d)36.4 N (e)38.4 NThree charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. The charges of each marble are q,- 5.50 pC, q,- 1.10 μC, and 93-1.60 C. Marble q, is a distance r = 3.00 cm to the left of the marble q₂, while marble q, is a distance r,-2.00 cm to the right of the marble q,, as shown. observation point 50m. Calculate the magnitude of the electric field a distance - 1.00 cm to the left of the center marbre N/C Another marble is placed 1 cm to the left of the middle marble. If this new marble has a charge of -3.00 pc, calculate the magnitude and direction of the force on it magnitude
- 4.) Figure Q.2 (b) shows a cylindrical structure with length of 50 m. The inner and the outer surface are separated by free space and located at r = a and r = b respectively. The inner and outer surface of the structure contain a total charge of +1pC and -1pC, respectively. An infinitely long line charge with line charge density of +1pC/m is introduced along the axis of the structure. Given that a = 1 mm and b = 2 mm. +pa C/m? -Рь С/m? Figure Q.2(b) i. Calculate +pa and -pp at radius a and b respectively ii. Find D and E in all regions iii. Sketch graph |D| versus rensitivity Editor Reuse 保存到 A Select v Files 百度网盘 Styles Editing Voice Sensitivity Editor Reuse Files 保存 12. How much work is required to assemble 4 identical charged particles, each of magnitude q=5 nC (red balls) at the corners of a cube of side a=10 cm ?(Fig 2) Fig.2 O cm and bh 1>In the early 1900's Robert Millikan discovered the peculiar property that charge came in little packets, no smaller than e = 1.602 x 10-19 C -- he had measured the charge of the electron. Here's (roughly) how he did it. He removed an electron from an initially neutral droplet of oil with diameter 0.5 ??μm. In a vacuum, he positioned the droplet between two metallic plates separated by 6 mm and fiddled with the potential (voltage) across the plates until the droplet would hover against the force of gravity. Droplets of this size with +e charge would hover, but only for a particular voltage (otherwise they would sink or rise). Given the parameters stated here, and the fact that the density of the oil was 831 kg/m3, what was the voltage that made the droplets hover? (give your answer with 0.1 V precision)