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相对速度
Introduction
相对速度计算通过评估两个移动的东西之间的差异在同一个方向。旅行在相反的方向移动时,物体的速度计算来计算对象的相对速度朝着不同的方向。
What is Relative Speed?
相对速度的概念应用在两个或两个以上的身体(对象)旅游以一定的速度在相同或不同的方向。因此,相对速度可以被定义为一个概念,计算的速度移动的身体有关另一个身体,以同样的速度旅行。
例如,如果两个人是运行在相反的方向,一个人的相对速度可以计算其他的静止的身体,随着身体是在不同的方向在同一时间旅行。所以,相对速度的速度可以被描述为一个移动的身体有关另一个静止的身体。
Ways to calculate Relative Speed
计算相对速度的身体朝着同一个方向和身体朝着相反的方向是不同的。而计算相对速度的身体朝着同一个方向,计算身体之间的区别。另一方面,不同机构的速度增加而计算对象的相对速度旅行从彼此相反的方向(陈 。2021)。
例如,如果第一个身体的速度s x km / h和第二身体的速度是y km / h,然后身体的相对速度是$ {(x: -: y): km / h: [x: gt: y]} $
Figure 1: Relative speed
行驶距离的公式/应用相对速度而计算时间之间的身体,当他们见面。例如,对于身体x和y,时间将美元dkm / (x: -: y):美元km / h
时间是所指和t计算运行时间时,采取在一定的相对速度行驶时两具尸体(Suresolv, 2022)。
Common problems found in the calculation of Relative Speed
相对速度的计算可以被划分为三种类型的问题;第一个是有关船上游和下游的相对速度。
第二个是有关火车的旅行时间和会议时间基于他们的相对速度。第三个是基于ratio-based问题,计算相对速度运动物体或对象(Murray, Gabbett &汤森,2018)。
Problems related to Boats and Streams
在船和溪流,河流的速度中,船的速度不恒定。所以,当水稳定或它有一定的流量,它取决于两个不同的条件,在船上和流。
Figure 2: Upstream and Downstream in Boats
根据上面的图片,当船移动对上游流的流移动然后随流,它保持下游。根据这两个条件,船的相对速度不同。计算上游,$ (u: -: v): km / h为下游应用而美元,这个公式是(u +: v):美元美元km / h (Physicstutorials, 2022)。
Meeting Time and Travel time problems
对于这种类型的相对速度的问题,它需要两个移动的东西在相同或相反的方向以一定的速度。这里,当两个物体开始运动向对方以同样的速度,物体的集合点也应该是相同的(陈 。2021)。
Figure 3: Time and Distance in trains
在这里,覆盖的距离成正比。例如,在上面的图中,两列火车(S1和S2)在同一方向以同样的速度旅行。因此,当这些两列火车在某种程度上,它应该让他们相同的时间到达集合点。
Ratio-based problems
Ratio-based问题可以指出当两个物体以相同的速度朝着同一个方向。例如,如果对象是旅行向对象B以相同的速度,反之亦然,速度的比值为对象是:B。在这里,达到彼此的时间可能有所不同,但速度是常数的对象。
Conclusion
相对速度的概念计算两个物体的速度,朝着相同或相反的方向以一定的速度。时间起着关键作用的相对速度的计算器的人或对象向彼此相反。计算相对速度跟随船只和流,时间和距离的火车和ratio-based问题,同时评估对象的相对速度的移动方向相同或相反。
FAQs
Q1。相对速度的概念是如何工作的呢?
答。相对速度作为两个移动物体或身体的速度方向相同或相反。它是通过计算和时间在不同条件下的差异。
Q2。最基本的区别是什么平均速度和相对速度?
答。整个行程的平均速度是速度的两个物体或身体。速度的相对速度的区别是朝着相同或相反的方向。
第三季。计算时间与相对速度的公式是什么?
这个公式是t =相对速度*时间。这里,公式的可视化表示,美元(x: -: y) km / h *新台币