5.000 cm 60.00 cm 9.500 cm +o - 40.00 cm (b) Two thin, flat metal plates are positioned vertically, 40.00 cm apart. The left plate has a charge density of o = +820.0 mC/m² and the right plate has an equal but opposite charge density, –o = -820.0 mC/m². There are also two thin, flat metal plates positioned horizontally, 60.00 cm apart, with the top plate given a negative charge, and the bottom plate given an equal but opposite positive charge, such that the potential difference between the plates is 10.00 V. A small sphere with mass m = 57.78 g, and charge q = +34.00 mC is attached to a thin, rigid, massless, insulating rod with length L = 16.00 cm, which is pivoted at point 0, which is 5.000 cm from the left plate. The sphere/rod unit is rotated to an angle of 10.00° with the horizontal and released from rest. (b) A negative charge of Q = –132.0 mC is now fixed at a point which is at the same height as point 0, and 9.500 cm to the left of the right plate. (Not to scale.) A negative charge of Q = -132.0 mC is now fixed at a point which is at the same height as point 0, and 9.500 cm to the left of the right plate, as shown in Fig.-1b. The sphere/rod unit is again rotated to an angle of 10.00° with the horizontal and released from rest, will it now ever reach an angle of 0° with the horizontal? What will be the speed of the sphere when it gets there?

5.000 cm 60.00 cm 9.500 cm +o - 40.00 cm (b) Two thin, flat metal plates are positioned vertically, 40.00 cm apart. The left plate has a charge density of o = +820.0 mC/m² and the right plate has an equal but opposite charge density, –o = -820.0 mC/m². There are also two thin, flat metal plates positioned horizontally, 60.00 cm apart, with the top plate given a negative charge, and the bottom plate given an equal but opposite positive charge, such that the potential difference between the plates is 10.00 V. A small sphere with mass m = 57.78 g, and charge q = +34.00 mC is attached to a thin, rigid, massless, insulating rod with length L = 16.00 cm, which is pivoted at point 0, which is 5.000 cm from the left plate. The sphere/rod unit is rotated to an angle of 10.00° with the horizontal and released from rest. (b) A negative charge of Q = –132.0 mC is now fixed at a point which is at the same height as point 0, and 9.500 cm to the left of the right plate. (Not to scale.) A negative charge of Q = -132.0 mC is now fixed at a point which is at the same height as point 0, and 9.500 cm to the left of the right plate, as shown in Fig.-1b. The sphere/rod unit is again rotated to an angle of 10.00° with the horizontal and released from rest, will it now ever reach an angle of 0° with the horizontal? What will be the speed of the sphere when it gets there?

Similar questions

Consider the following. B 0.500 mm 60.0° (a) Red blood cells often become charged and can be treated as point charges. Healthy red blood cells are negatively charged, but unhealthy cells (due to the presence a bacteria, for example) can become positively charged. In the figure, three red blood cells are oriented such that they are located on the corners of an equilateral triangle. The red blood cell charges are A = 1.80 pC, B = 6.60 pC, and C = -4.40 pC. Given these charges, what would the magnitude and direction of the electric field be at cell A? magnitude N/C direction ° counterclockwise from the +x axis (b) If the charge of cell A were doubled, how would the electric field at cell A change? O The magnitude of the field would be doubled. O The field would be unchanged. O The magnitude of the field would be halved. O The magnitude of the field would be quadrupled.
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2 narrow, flat metal plates are positioned vertically, 20.00 cm. The first plate has a positive charge with charge density σ=+630.0 mC/m2 and a second plate has an equal but opposite negative charge with charge density σ=-6300.0 mC/m2 . There are also two narrow, flat metal plates positioned horizontally, 30.00 cm apart, with the top plate given a negative charge, and the bottom plate given an equal but opposite positive charge, such that the electric potential of the bottom plate is 5.00 V higher than the top plate. A small sphere with a mass of m =64.35 g, and a charge of q =22.00 mC is attached to a narrow, stiff, massless, insulating rod with a length of L= 8.00 cm, which is pivoted at point O, which is 2.000 cm from the second plate. The sphere/rod unit is angled at 5 degrees with horizontal and released from rest. Will the sphere/rod ever hit an angle of 0 degrees with the horizontal? If so, how long will it take to reach that point?
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