2.16. Within a region of free space, charge density is given as py = por/a C/m3, where po and a are constants. Find the total charge lying within: a) the sphere, rs a: This will be b) the cone, rs a, 0 s 0s 0.In: Q.=for 3 sin Odr do do = 2- Pod 4 [1 - cos(0.17)] = 0.024m Pod3 c) the region, r sa, 0 5 0 5 0. 1n, 0 SQ s 0.2n. Q. =for ,2 sin O ar do do = 0.02ATPod -4 = 0.0024xPod3 2.17. A uniform line charge of 16 nC/m is located along the line defined by/ = -2, z = 5. If e = co: a) Find E at P(1, 2,3): This will be RP E P 2ME RP 2 where Rp = (1,2,3) - (1,-2,5) = (0,4,-2), and | Rp|2 = 20. So = 16x 10 9 4ay - 2az P =57 .5ay - 28.8az V F 2TT 0 20 m