10. [-/1 Points] DETAILS SERPSE10 22.4.OP.015.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER In the figure below, determine the point (other than infinity) at which the electric field is zero. (Let q, = -2.10 JC and 92 = 7.00 HC. m ---Select--- -1.00 m 92 Q Need Help? Read It Master It Submit Answer 11. [-/1 Points] DETAILS SERPSE10 22.4.OP.016. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Three charged particles are at the corners of an equilateral triangle as shown in the figure below. (Let q = 3.00 JC, and L = 0.800 m.) 7.00 JC 60.00 -4.00 JC (a) Calculate the electric field at the position of charge q due to the 7.00-JC and -4.00-HC charges. KN/C i + kN/C j (b) Use your answer to part (a) to determine the force on charge q. mN i + mN j Need Help? Read It Watch It Submit Answer13. [-/1 Points] DETAILS SERPSE10 22.5.OP.018. MY NOTES ASK YOUR TEACHER The figure below shows the electric field lines for two charged particles separated by a small distance. 42 (a) Determine the ratio q1/92. (b) What are the signs of q, and 92? 91 ---Select--- C 92 [---Select--- . Need Help? Read It Watch It Submit Answer15. [-/1 Points] DETAILS SERPSE10 22.6.OP.019. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A proton is projected in the positive x direction into a region of uniform electric field E = (-5.90 x 10') i N/C att = 0. The proton travels 7.30 cm as it comes to rest. (a) Determine the acceleration of the proton. magnitude m/s2 direction ---Select--- C (b) Determine the initial speed of the proton. magnitude m/s direction ---Select--- (c) Determine the time interval over which the proton comes to rest. S Need Help? Read It Watch It Submit