[单选题]
A 1200-kg ferryboat is moving spd9 kd 2fk/,x /b)xiqsouth at 20 m/s. What is the magnitude ofm plbrp lm2p/a. 0lnk5nm )+s7 its momenp bm .+p/0lmnmls57rlkp2)antum?
A. $1.7 \times 10^{-3} \; kg \cdot m/s$
B. $6.0 \times 10^{2} \; kg \cdot m/s$
C. $2.4 \times 10^{3} \; kg \cdot m/s$
D. $2.4 \times 10^{4} \; kg \cdot m/s$
