Cengage Learning X VA A#8 Electrostatics - PHY354, secti X + X - C webassign.net/web/Student/Assignment-Responses/last?dep=31572271 . . . 1. [-/2 Points] DETAILS SERCP11 15.2.OP.001. MY NOTES ASK YOUR TEACHER Two charged particles are a distance of 1.82 m from each other. One of the particles has a charge of 7.17 nc, and the other has a charge of 3.82 nc. (a) What is the magnitude (in N) of the electric force that one particle exerts on the other? (b) Is the force attractive or repulsive? O attractive O repulsive 2. [-/6 Points] DETAILS SERCP11 15.2.OP.010. MY NOTES ASK YOUR TEACHER The figure below shows three small, charged beads, all lying along the horizontal axis. Bead A, at left, has a 7.00 nc charge. Bead B has a 1.65 nC charge and is 3.00 cm to the right of A. Bead C has a -2.80 nC charge and is 2.00 cm to the right of B. Find the magnitude (in N) and direction of the net electric force on each of the beads. 3.00 cm 2.00 cm - Net Force on A magnitude IN direction --Select--- V Net Force on B magnitude N direction ---Select--- V Net Force on C magnitude IN direction ---Select-- V ENG 10:15 AM 3 INTL 2023-04-13Cengage Learning X VA A#8 Electrostatics - PHY354, sect X + V X F webassign.net/web/Student/Assignment-Responses/last?dep=31572271 . . . 3. [-/1 Points] DETAILS SERCP11 15.2.P.002. MY NOTES ASK YOUR TEACHER A charged particle A exerts a force of 2.51 N to the right on charged particle B when the particles are 12.5 mm apart. Particle B moves straight away from A to make the distance between them 16.8 mm. What vector force does particle B then exert on A? IN to the left 4. [-/1 Points] DETAILS SERCP11 15.2.P.007. MY NOTES ASK YOUR TEACHER Two uncharged spheres are separated by 1.80 m. If 3.50 x 1012 electrons are removed from one sphere and placed on the other, determine the magnitude of the Coulomb force (in N) on one of the spheres, treating the spheres as point charges. HINT N 5. [-/2 Points] DETAILS SERCP11 15.3.OP.017. MY NOTES ASK YOUR TEACHER A small piece of foam has a mass of 3.82 g and a charge of -17.4 UC. It levitates, motionless, when placed in a uniform electric field perpendicular to the ground. What is the magnitude of the electric field (in N/C)? N/C What is the direction of the electric field? O upward O downward O east O west 6. [-/2 Points] DETAILS SERCP11 15.3.OP.020. MY NOTES ASK YOUR TEACHER O PI COO ENG 10:15 AM INTL 2023-04-13Cengage Learning X VA A#8 Electrostatics - PHY354, sect X + V X - C webassign.net/web/Student/Assignment-Responses/last?dep=31572271 Q w . . . 6. [-/2 Points] DETAILS SERCP11 15.3.OP.020. MY NOTES ASK YOUR TEACHER Inside a cathode ray tube, an electron is in the presence of a uniform electric field with a magnitude of 320 N/C. (a) What is the magnitude of the acceleration of the electron (in m/s2)? m/s (b) The electron is initially at rest. What is its speed (in m/s) after 1.15 x 10-8 s? m/s 7. [-/3 Points] DETAILS SERCP11 15.3.P.018. MY NOTES ASK YOUR TEACHER (a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown in the figure below. (Enter the magnitude of the electric field only.) 6.00 MC 1.50 MC -2.00 JC 3.00 cm 2.00 cm - N/C (b) If a charge of -5.12 JC is placed at this point, what are the magnitude and direction of the force on it? magnitude N direction --Select--- V 8. [-/2 Points] DETAILS SERCP11 15.3.P.019. MY NOTES ASK YOUR TEACHER ENG 10:15 AM INTL 2023-04-13Cengage Learning X VA A#8 Electrostatics - PHY354, sect X + V X - C webassign.net/web/Student/Assignment-Responses/last?dep=31572271 Q w . . . 8. [-/2 Points] DETAILS SERCP11 15.3.P.019. MY NOTES ASK YOUR TEACHER An electric field of magnitude 5.25 x 103 N/C points due north at a certain location. Find the magnitude and direction of the force on a-7.80 JC charge at this location. magnitude direction ---Select--- 9. [-/2 Points] DETAILS SERCP11 15.3.P.020. MY NOTES ASK YOUR TEACHER An electron is accelerated by a constant electric field of magnitude 305 N/C. (a) Find the acceleration of the electron. m/s (b) Use the equations of motion with constant acceleration to find the electron's speed after 1.15 x 10"s, assuming it starts from rest. m/s 10. [-/1 Points] DETAILS SERCP11 15.3.P.021. MY NOTES ASK YOUR TEACHER Charge q, = 2.00 nc is at X, = 0 and charge q, = 5.50 nC is at X2 = 1.50 m. At what point between the two charges is the electric field equal to zero? (Enter the x coordinate in m. ) HINT m O PI COO ENG 10:15 AM INTL 2023-04-13