英语翻译The speed of falling rain is the same 10m above ground as it is just before it hits the ground.What does this tell you about whether or not the rain encounters air resistance?就是这个题,如果可以把答案也说下,
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英语翻译
The speed of falling rain is the same 10m above ground as it is just before it hits the ground.What does this tell you about whether or not the rain encounters air resistance?就是这个题,如果可以把答案也说下,
雨点在离地10米时和即将落地时的下落速度是一样的.根据这一点你觉得雨点是否受到空气的阻力?
答案:雨点受到了空气的阻力.不然的话,由于重力加速度的关系,雨点在即将落地时的下落速度应该大于离地10米时的下落速度.
落雨速度也是木地面,只是在命中Ground.what说出这样不论遇到下雨空气阻力.
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