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速度与机械运动

> 下列估值，最接近实际的是 A.一名中学生的书包质量约为500g B.中性笔从课桌上落到地面的时间约为10s C.一名中学生的身高约为157cm D.一辆汽车行驶时的平均速度约为3m/s

问题：

发布时间：2024-09-10

下列估值，最接近实际的是

A.一名中学生的书包质量约为500g
B.中性笔从课桌上落到地面的时间约为10s
C.一名中学生的身高约为157cm
D.一辆汽车行驶时的平均速度约为3m/s

参考答案：

提问用户：1j***Ieg

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