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【单选题】
如图7所示,一位同学做飞镖游戏,已知圆盘的直径为d,飞镖距圆盘为L,且对准圆盘上边缘的A点水平抛出,初速度为v 0 ,飞镖抛出的同时,圆盘以垂直圆盘过O的水平轴匀速运动,角速度为ω.若飞镖恰好击中A点,则下列关系正确的是( ). 图7
A.
dv=L 2 g
B.
ωL=π(1+2n)v 0 ,(n=0,1,2,3,…)
C.
v 0 =ω
D.
dω 2 =gπ 2 (1+2n) 2 ,(n=0,1,2,3,…)
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