5. A section of a sphere is mirrored on both sides. If the magnification of an object is 3.70 when the section is used a concave mirror, what is the magnification of an object at the same distance in front of the convex side

coil wire, increase current, put iron inside the coil

are there options? cause you ain’t. real specific

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach