刹车距离的车速与刹车距离的概念是什么?

2025-02-12 09:36:43
推荐回答(2个)
回答1:

刹车距离是由反应距离和制动距离两部分组成。

刹车距离的车速是指在刹车是车辆行驶的速度。

刹车距离与刹车距离的车速的平方成正比。

考虑人的反应时间,刹车距离将增大,实际刹车距离如下:

车速(km/h): 20 30 40 50 60 70 80 90 100

刹车距离(m):7.6 12.7 19.0 26.2 34.4 43.5 53.7 64.9 77.0

车速(km/h): 120 150 180 200 250

刹车距离(m):104.2 152.4 209.4 252.4 377.0

回答2:

当车以140公时速刹车时,刹车距离为88m,加上反应距离20m,整个制距离为108m。当车以160公时速刹车距离为115m,整个制距离为160m。当车以80公时速刹车时,刹车距离为29m。60公时速刹车距离为16m。40公里时速时刹车距离为7m。这是一种很接实际情况的可信计算,通过以上数据不难看出超速危险性有多大所以各种公限速标准是有科学依据,不可漠视!!!不要超速行驶,保持与前车的安全距离!!!你可能多次超速并未发生过危险。

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