25 24. A small, charged, spherical object at the origin of a Carteslancoordinate system contains 3.30 X 10 more electrons thanprotons. Find the magnitude and direction of the electricfield at a point that is 3 mm away from the origin. .25. Two protons A and B are separated by a distanced9.00 pum. What are the magnitude and direction of theclectric field along the line connecting the protons (a) half-way between them and (b) a distance d/4 away from A and3d/4 away from B? Use the relationship between dectricforce and electric field, •26. A positively charged particle initially at rest on the groundmoves 4.0 m upward in 2.00 s. If the particle has a charge-to-mass ratio of 10 µC/g and the electric field in this region isconstant and uniform, what is the magnitude and direction ofthe electric field?27. A particle, carrying a positive charge of 4 nC, located 5 cmaway from a parlicle with unknown charge q. experiences anattractive electric force of magnitude 115.2 N. (a) Determinethe value of the charge q. (b) Using the relationship betweenelectric lield and electric force and the result from part (@).determine the magnilude and direction of the dectric ield.due to the charge q al a point localed 20 cm away rom thei4nC charge in a direction corthogonal to the lune between thelwo charges28. A particle at the orgn of a Cartesian coordinate system carnes a charge ol 5.0 X 10 C What are the magnitudeand di-rection of the elecric lield al (a(4.00 mm 0.(00N00 m),and fe)3.00 m. 4.00 mm29. () lol the valne of the radial componct of he elorcicdJue to 4 posusechargd pellet un.ionof uneT thepel.center, th) Repeit or yeller Tke Jepllet to be a ilrl ocom3435.36.37. Frserthe99

Given that the two protons are separated by a distance of d = 9 micro meter to find the electric…

25. Two protons A and B are separated by a distance 9.00 um. What are the magnitude and direction of the electric field along the line connecting the protons (a) half- way between them and (b) a distance d/4 away from A and 3d/4 away from B? Use the relationship between electric force and electric field. . d