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you just have to divide the VOLUME of the gravity of the earth's surface while the gravitational pull is in the sphere in that case the VOLUME of the cylider is 6.95 g.
It is the surface area of the two ends plus the surface area of the curved surface. Surface area of each end is pir2 Surface area of the curved surface is 2pirh Total surface area = 2pir2 + 2pirh
Cylinders have 2 faces
Surface area of cylider with radius r and height h is 2*pi*r2 + 2*pi*r*h sqft Taking pi to be 3.14, 2*pi*25 + 2*pi*5*h = 160*pi Divide through by 10*pi 5 + h = 16 so h = 11 ft
To obtain the ratio of surface area to volume, divide the surface area by the volume.