Part A Figure shows two point charges located on an xy-coordinate axis at positions a= 6.5cm and b=11.5 cm. If Q₁-30 µC and Q₂-14 µC, find the electrostatic potential energy of the system Express your answer using two significant figures, k=8.99 x 10° N-m/C U= [ΕΙ ΑΣΦ ? J b 9₁
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Q: point
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- O West -1.36 x 10-3 J zero South A charge of 42.0 nC is placed in a uniform electric field that is directed towards the west direction and has a magnitude of 5.40 x 104 V/m. What work is done by the electric force when the charge moves a distance of 1.50 m in the direction 53° south of west? North -2.05 x 10-3 J 3.40 x 10-3 J EastThe work done by an external force to move a -8.60 μC charge from point a to point b is 1.90x10-³ J. Part A If the charge was started from rest and had 4.77x10-4 J of kinetic energy when it reached point b, what must be the potential difference between a and b? ——| ΑΣΦ Vb - V₂ = ? V23.13
- y R The figure above represents a thin, circular ring of radius R= 5.8 m. The ring has a uniformly distributed charge Q=3.4 pC and point P is x = 14.8 m away from the center of the ring. (k = 9x10° V -m -c-1,p = 10-0) a) Calculate the electric potential value at point P and express your answer in SI units. Vp= V b) Calculate the electric field at point P. Ep=A proton (mass = 1.67 x 10-27 kg, charge = 1.60 x 10-19 C) moves from %3D point A to point B under the influence of an electrostatic force only. At point A the proton moves with a speed of 50 km/s. At point B the speed of the proton is 87.8 km/s. Determine the potential difference VB-VA (in units of volts). Select one: O A. 20.41 O B. -42.81 OC. -27.18 OD. 2.15 E. 26.66Two plates with area 5.00 × 10-³ m² are separated by a distance of 4.80 × 10−4 m. If a charge of 3.40 × 10-8 ℃ is moved from one plate to the other, calculate the potential difference (voltage) between the two plates. Assume that the separation distance is small in comparison to the diameter of the plates.
- Part A Consider an initial system of three charges shown in (Figure 1). An object with charge q4 = + 8.0 × 10–8 C will be moved to position C from infinity (not shown in the figure). Part B qi = q2 = q3 = +10.0 × 10-8 C. Part C Part D -9 Determine the work done on the system by moving the charge q4 from infinity to point C, but for q1 = q3 = -10.0 × 10º C and q2 = +10.0 × 10 º C. Express your answer with the appropriate units, to two significant figures. HA ? Figure 1 of 1 W' = Value Units Submit Request Answer 20.0 cm Provide Feedback 92 20.0 cm C 20.0 cm 93A water molecule is built as an isosceles triangle; the two hydrogen atoms are separated by 1.5x10-10m, and the oxygen is a distance 1x10-10m from either of the hydrogens. Treating the hydrogens as point charges, each of +e, and the oxygen as a point charge of -2e, estimate the total electric potential energy stored in this molecule.Two electric charges q1=2.0μCq1=2.0μC and q2=4.0μCq2=4.0μC are located 0.50m apart. How much work is needed to move the two charges apart and double the distance between them? Select one: a. 0.14 J b. 0.0 J c. −7.2×10−2J−7.2×10−2J d. 7.2×10−2J7.2×10−2J e. -0.14 J