Take as the gaussian surface that which is described in the previous paragraph and apply gauss' theorem to the coulomb field of the charge at the center of the small sphere. note that the charge is "outside" of the gaussian surface, so that the results of the previous exercise hold.

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by