Show that at the bottom of a vertical mine shaft dug to
depthd, the measured value of ag will be
ag = ags(1 - d/r),
ags being the surface value. assume thatearth is a
uniform sphere of radius r.

Please see attachment

Explanation:

Please see attachment

f=ma a/f/m a= 480/60 a = 8m/s/s that is quick wow

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.