In Fig. 21-41, three identical conducting spheres form an equilateral triangle of side length d = 20.0 cm. The sphere radii are much smaller than d , and the sphere charges are q A = −2.00 nC, q B = −4.00 nC, and q C = +8.00 nC. (a) What is the magnitude of the electrostatic force between spheres A and C ? The following steps are then taken: A and B are connected by a thin wire and then disconnected; B is grounded by the wire, and the wire is then removed; B and C are connected by the wire and then disconnected. What now are the magnitudes of the electrostatic force (b) between spheres A and C and (c) between spheres B and C ? Figure 21-41 Problem 48.
In Fig. 21-41, three identical conducting spheres form an equilateral triangle of side length d = 20.0 cm. The sphere radii are much smaller than d , and the sphere charges are q A = −2.00 nC, q B = −4.00 nC, and q C = +8.00 nC. (a) What is the magnitude of the electrostatic force between spheres A and C ? The following steps are then taken: A and B are connected by a thin wire and then disconnected; B is grounded by the wire, and the wire is then removed; B and C are connected by the wire and then disconnected. What now are the magnitudes of the electrostatic force (b) between spheres A and C and (c) between spheres B and C ? Figure 21-41 Problem 48.
In Fig. 21-41, three identical conducting spheres form an equilateral triangle of side length d = 20.0 cm. The sphere radii are much smaller than d, and the sphere charges are qA = −2.00 nC, qB = −4.00 nC, and qC = +8.00 nC. (a) What is the magnitude of the electrostatic force between spheres A and C? The following steps are then taken: A and B are connected by a thin wire and then disconnected; B is grounded by the wire, and the wire is then removed; B and C are connected by the wire and then disconnected. What now are the magnitudes of the electrostatic force (b) between spheres A and C and (c) between spheres B and C?
the cable may break and cause severe injury.
cable is more likely to break as compared to the
[1]
ds, inclined at angles of 30° and 50° to the vertical
rings by way of a scaled diagram. [4]
I
30°
T₁
3cm
3.8T2
cm
200 N
50°
at it is headed due North and its airspeed indicat
240 km/h. If there is a wind of 100 km/h from We
e relative to the Earth? [3]
Can you explain this using nodal analysis
With the nodes I have present
And then show me how many KCL equations I need to write, I’m thinking 2 since we have 2 dependent sources
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