Atmospheric air at 20-C is flowing at 10 m=s. Calculate the drag force on
(a) a 10-cm-diameter smooth sphere,
(b)a 10-cm-diameter, 80-cm-long smooth cylinder with free ends,
(c)a 10-cm-diameter disk, and
d)a 10-cm-wide, 20-cm-long rectangular plate.
The velocity vector is normal to all objects.