A 20 Kg Object Is Moving at a Velocity of 12

Multiple Choice

A 2.0 kg object is moving at a velocity of 12.0 m/s.The drag force 6.0 N.If the drag force is given by the equation F = bv²,then the value of b is

A) 1.5 $\times$ 10^-2 Ns²/m².
B) 4.2 $\times$ 10^-2 kg/m.
C) 3.9 $\times$ 10^-1 kg/m².
D) 4.2 $\times$ 10^-1 N/m².
E) 7.5 $\times$ 10^-3 Ns²/m².