如图所示,将一篮球从地面上方B点斜向上抛出,刚好垂直击中篮板

如图所示,将一篮球从地面上方B点斜向上抛出,刚好垂直击中篮板上A点,不计空气阻力.若抛射点B向篮板方向水平移动一小段距离,仍使抛出的篮球垂直击中A点,则可行的是                                       (  )

       A.增大抛射速度v0,同时减小抛射角θ      

       B.减小抛射速度v0,同时减小抛射角θ

       C.增大抛射角θ,同时减小抛出速度v0             

       D.增大抛射角θ,同时增大抛出速度v0

 

答案

C

解析:略

 

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