[单选题]
A jumper in the long-ju8u+tjkpg: /6ocn vv 2cm3(yiiob-5 eav w2s; ezkfw0f/ p goes into the jump with a speed of 12 m/s at an angle of ewa(503vfy2fk- i; ies bwz/o$20^{\circ}$ above the horizontal. How far does the jumper jump?
A. $6.14 \; m$
B. $8.22 \; m$
C. $9.45 \; m$
D. $10.4 \; m$
E. $12.28 \; m$
Post time 2025-9-8 22:24:32