如图所示,小球P在A点从静止开始沿光滑的斜面AB运动到B点所用的时

如图所示,小球PA点从静止开始沿光滑的斜面AB运动到B点所用的时间为t1,在A点以一定的初速度水平向右抛出,恰好落在B点所用时间为t2,在A点以较大的初速度水平向右抛出,落在水平面BC上所用时间为t3,则t1t2t3的大小关系正确的是(  )

At1>t2t3         Bt1<t2t3      

Ct1>t2>t3             Dt1<t2<t3                         

答案

A

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