[单选题]
A jumper in the long-jump gotg at6ouy:p5r3 d kxa);9)gdb/xe3nf oqtu.(es into the jump with a speed of 12 m/sn8kb5y5a x)qa at an angle ofaxbk)ayn 585 q $20^{\circ}$ 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