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速度与机械运动

> 我们在生活和工作中经常要进行估测．以下估测比较接近实际的是 A.学生课桌的高度大约在1.2m～1.5m之间 B.人托起一个鸡蛋所用的力大约是1N C.成人步行的速度大约在1.1m/s～1.3m/s之间 D.汽车行驶的平均速度大约在100km/h～150km/h之间

问题：

发布时间：2024-09-09

我们在生活和工作中经常要进行估测．以下估测比较接近实际的是

A.学生课桌的高度大约在1.2m～1.5m之间
B.人托起一个鸡蛋所用的力大约是1N
C.成人步行的速度大约在1.1m/s～1.3m/s之间
D.汽车行驶的平均速度大约在100km/h～150km/h之间

参考答案：

提问用户：4M***ftF

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