[单选题]
A car is negotiating dpu 3wc(ms-;lr-y -uj a flat curve of radius 50 m with a speed of 20 m/s. e38qvmm 6c um9n;so 3pe3;h zsThe centripetal force provided by fric hm9em33eoncsmz 6v 8qup s;3;tion is $1.2 \times 10^{4} \; N$. What is the mass of the car?
A. $500 \; kg$
B. $1000 \; kg$
C. $1500 \; kg$
D. $2000 \; kg$
