An object creates an electric field that points towards it. At 7.92 cm the E field strength is 142,866 N/C. What is the object's charge in nC?
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- A -0.004 C charge is located in an electric field with magnitude 40 N/C. How much force does the charge feel due to the electric field? O 0.28 N O 0.16 N O 0.34 N O 0.22 NWhat is the force on a -30 µC charge in a 200-N/C electric field? The electric field points to the right. O 0.06 N to the right O 0.006 N to the right 0.006 N to the left O 0.06 N to the leftAs shown below, an alpha particle (m = 6.642 × 10-27 kg, q = +2e) is shot upward with an initial speed of v; = 3.50 x 105 m/s from one large plate of charge toward another large plate of 8. charge. Each plate has a charge density given below. Assume gravity is negligible. а. Find the speed of the alpha particle once it hits the positively charged plate. b. Which plate is at the higher potential, the top plate or the bottom plate? Explain using physical reasonng. 02 = +2.50 µC/m² 2.00 mm V; = 3.50 × 10° m/s 01 = +4.50 µC/m²
- IP A particle with a mass of 4.0 g and a charge of +5.0x10-2 μC is released from rest at point A in the figure (Figure 1). Figure Ag 3.0 cm во 5.0 cm 4.0 cm OC E 1 of 1 L X > In which direction will this charge move? Positive Y- direction Negative y- direction Negative x-direction Positive x-direction Submit Part B V= Request Answer What speed will it have after moving through a distance of 5.5 cm ? The electric field has a magnitude of 1600 N/C Express your answer using two significant figures. 15. ΑΣΦ SFR P Pearson ? m/sA -93.1C charge is in a 45296N/C electric field. What is the magnitude of the force (in N) on this charge?A particle of charge 2.0 x 10-8 C experiences an upward force of magnitude 1.5 x 10-6 N when it is placed at a particular point in space. Hint a. What is the electric field at that point? The electric field at that point is N/C. b. If a charge q = The force is in Select an answer direction with magnitude (Use "E notation" to give your answer in scientific notation, e.g. "3.14E-12" for 3.14 x 10-12 .) 3.0 x 107 -8 C is placed there, what is the force on it? Question Help: Message instructor Submit Question Course Chat N. MacBo
- 4. The charge per unit length on a long, straight filament is -94.0 µC/m. a. Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive direction.) MN/C b. Find the electric field 27.0 cm from the filament. MN/C c. Find the electric field 130 cm from the filament. MN/CAn electric field E = 180000 i N/C causes the point charge of q = 17 nC to hang at an angle θ (see figure). What is θ if the mass of the point charge is 4.75 g?A positive charge is being pushed by a 5.65 N/C field with a force of 65.32 N. What is the value of the charge (in C)?
- For each charge distribution: -6.0 x 10-5 C 4.0 x 10-5 C 2.0 m 9₁ L. - 6.0 x 10-5 C 3.0 m A q2 2.0 m A 3.0 m 2 - 3.0 x 10-5 C 1. 2. a. Determine the net electric field at point A for the following charge distribution. b. The magnitude of the electric field due to each charge, (i.e. calculate ε₁ and ε2), at point A. c. The net electric field at point A. a. For each part in practice question 1, find the net force on a -1.2 × 10-5 C charge placed at point A. b. How would your answer change if the sign of the charge from 2a at point A was changed? 3. Explain why the concept of a field was used to describe the force of gravity between two masses. 4. Give two reasons why the concept of a field is used again to describe the force between two charged objects.A proton is initially at rest. After some time, a uniform electric field is turned on and the proton accelerates. The magnitude of the electric field is 1.46 105 N/C. What is the speed of the proton after it has traveled 7.00 cm? What is the speed of the proton after it has traveled 70.0 cm?What is the magnitude of the electric field needed for a proton to gain an acceleration of 500,000 m/s?? The charge of a proton is 1.6 x 10 19 C and the mass of an electron is 1.67 x 107 kg. 4.79x 10N/C 4900.000 N/C 3.21 N/C 0,0052 N/C