[单选题]
A girl throws a rock hbgth m;h,p5)ub 1stg* orizontally, with ac 1dl7qe; gle64bq+vd velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water64c;gvq1dll +q7 ebed ?
A. $12.12 \; m$
B. $16.16 \; m$
C. $20.2 \; m$
D. $24.24 \; m$
Post time 2025-9-8 22:24:19