physics
posted by David .
Calculate the terminal speed of a wooden sphere(density 0.830g/m^3) falling throught air if its radius is 8.00cm and its drag coefficient is 0.500? From what height would a freely falling object reach this speed in the absence of air resistance?

http://hyperphysics.phyastr.gsu.edu/HBASE/airfri2.html#c3
Calculate cross sectional area, and use the formula.
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