A thin spherical shell has a radius of 1.49 m and a mass of 135 kg . g g g g g g g g g g g g r = 1.49 m M = 135 kg hollow shell What is the gravitational field 3.71 m from the center of the shell? The universal gravitational constant is 6.6726 × 10−11 N m2 /kg2 . Answer in units of N/kg.