[单选题]
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an aoj xns/ik ,8+dx u.31wx.xs*juu e eb)npsy+r db* iz+uo/ 1h2hgle ofor+ z/id*u1b h2syh+ p $20^{\circ}$ 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