A particle with a mass of 15.0 grams and a charge of +4.00 microcoulombs has a speed of 0.75 m/s when it passes through a point at which the potential is +1200 volts. What is the particle's speed when it.passes through a second point at which the potential is -1200 volts? x m/s Enter a number
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- Three charged balls, with charges of +q, -3q, and +2q, are placed at the corners of a square that measures L = 80.0 cm on each side, as shown in the figure. The value of q is 2.90 × 10-6 C. Assume that the potential an infinite distance from the charges is zero. +q -39 +2q Enter a number. L (a) What is the electric potential at the lower left corner of the square, due to the three charges? V ..(b)..What is the electric potential at the center of the square, due to the three charges? X VAn air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm², separated by a distance of 2.20 mm. If a 17.8-V potential difference is applied to these plates, calculate the following. (a) the electric field between the plates magnitude kv/m direction from the positive plate to the negative plate ✓ (b) the capacitance pF (c) the charge on each plate pCThe difference in electric potential between a thunder cloud and the ground is 2.13 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential. Determine the change in electric potential energy of one of the electrons that move to the cloud.
- A small object with a mass of 4.4 mg carries a charge of 26.9 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 4.49 cm. If the thread makes an angle of 11.8° with the vertical, what is the potential difference in volts between the plates?A small object with a mass of 3.81 mg carries a charge of 21.8 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.67 cm. If the thread makes an angle of 12.7° with the vertical, what is the potential difference in volts between the plates? Round your answer to 1 decimal place.The potential in a region between x = 0 and x = 6.00 m is V = a + bx, where a = 15.2 V and b = -3.50 V/m. a) Determine the potential at x= 0, x= 3.00 m, and x= 6.00 m. b) Determine the magnitude (Vm) and direction of the electric field at x= 0, x= 3.00 m, and x= 6.00 m.
- Two charges, q1 = 6.9 µC and q2 = 3.1 µC are placed symmetrically along the x-axis at =±9.78 m. Consider a charge q3 of charge 2.5 µC and mass 7.03 µg moving along the y-axis. q3 starts from rest at y= 0.32 m. If the charge q3 is moved from a potential of 1.24 V to a final potential of 13.58 V, what is the total work that was done on the charge?A small object with a mass of 4.68 mg carries a charge of 33.7 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 4.18 cm. If the thread makes an angle of 10.5° with the vertical, what is the potential difference in volts between the plates? Round your answer to 1 decimal place.The potential in a region between x = 0 and x = 6.00 m is V = a + bx, where a = 13.2 V and b = -3.50 V/m. (a) Determine the potential at x = 0. V Determine the potential at x = 3.00 m. V Determine the potential at x = 6.00 m. V (b) Determine the magnitude and direction of the electric field at x = 0. V/m magnitude direction --Select--- Determine the magnitude and direction of the electric field at x = 3.00 m. magnitude V/m direction ---Select--- ✓ Determine the magnitude and direction of the electric field at x = 6.00 m. magnitude V/m direction ---Select--- ✓The potential in a region between x = 0 and x = 6.00 m is V = a + bx, where a = (a) Determine the potential at x = 0. V 19.4 V and b = -3.70 V/m. Determine the potential at x = 3.00 m. V Determine the potential at x = 6.00 m. (b) Determine the magnitude and direction of the electric field at x = 0. magnitude direction +X V/m Determine the magnitude and direction of the electric field at x = 3.00 m. magnitude V/m direction +X Determine the magnitude and direction of the electric field at x = 6.00 m. magnitude V/m direction +X