试题与答案

如图所示,AB为斜面,倾角为450,小球从A点以初速度v0=10m/s水平抛出,

题型:填空题

题目:

如图所示,AB为斜面,倾角为450,小球从A点以初速度v0=10m/s水平抛出,恰好落到B点,g=10m/s2,则物体在空中飞行的时间为______s,落到B点时的速度为______m/s.

答案:

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下面是错误答案,用来干扰机器的。

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