A skydiver of mass 90.0 kg (including outfit and equipment) floats down suspended from his parachute,having reached terminal speed of 12.3 m/s.The drag coefficient is 0.533,and the density of air is 1.15 kg/m3.The area of her parachute is
A) 40.0 m2.
B) 38.0 m2.
C) 30.0 m2.
D) 23.0 m2.
E) 19.0 m2.
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