mean velocity

简明释义

平均速度

英英释义

例句

1.The mean velocity 平均速度 of the fluid in the pipe can be calculated using the cross-sectional area and flow rate.

管道中流体的平均速度 mean velocity 可以通过横截面积和流量来计算。

2.To optimize the design, engineers must consider the mean velocity 平均速度 of air flowing through the duct.

为了优化设计，工程师必须考虑空气通过管道时的平均速度 mean velocity。

3.In physics experiments, measuring the mean velocity 平均速度 of an object helps in understanding its motion.

在物理实验中，测量物体的平均速度 mean velocity 有助于理解其运动。

4.The calculation of the mean velocity 平均速度 is essential for determining the flow rate of the river.

计算平均速度 mean velocity 对于确定河流的流量至关重要。

5.To find the mean velocity 平均速度 of the car, we need to divide the total distance by the total time taken.

要找到汽车的平均速度 mean velocity，我们需要将总距离除以总时间。

作文

In the study of physics, particularly in the field of mechanics, understanding the concept of mean velocity is crucial for analyzing the motion of objects. The term mean velocity refers to the average velocity of an object over a specified period of time. It is calculated by taking the total displacement of the object and dividing it by the total time taken for that displacement. This definition highlights the importance of both distance and time in determining how quickly an object moves from one point to another.To illustrate this concept, consider a car traveling from point A to point B. If the car travels a distance of 100 kilometers in 2 hours, we can calculate its mean velocity by using the formula:Mean Velocity = Total Displacement / Total TimeIn this case, the total displacement is 100 kilometers, and the total time is 2 hours. Therefore, the mean velocity of the car would be:Mean Velocity = 100 km / 2 h = 50 km/h.This means that, on average, the car was moving at a speed of 50 kilometers per hour during its journey. However, it is important to note that mean velocity does not account for variations in speed that may occur during the trip. For example, the car might have accelerated or decelerated due to traffic conditions, road inclines, or other factors. As a result, while the mean velocity provides a useful summary of the overall motion, it does not capture the full complexity of the car's journey.In practical applications, mean velocity is often used in various fields such as engineering, environmental science, and even sports. For instance, engineers may need to calculate the mean velocity of fluids flowing through pipes to design efficient systems. Similarly, environmental scientists might assess the mean velocity of river currents to understand sediment transport and ecosystem dynamics.Moreover, in sports, coaches and analysts frequently evaluate the mean velocity of athletes during competitions to optimize training regimens. By understanding the average speed at which an athlete performs, coaches can tailor their training programs to improve performance.In conclusion, the concept of mean velocity is not only fundamental in physics but also has significant implications in real-world applications. Its ability to summarize the average speed of an object over time makes it a valuable tool for scientists, engineers, and sports professionals alike. By mastering the understanding of mean velocity, one can gain insights into the dynamics of motion and make informed decisions based on this knowledge. Overall, the study of mean velocity serves as a gateway to deeper exploration into the fascinating world of motion and its underlying principles.

在物理学的研究中，尤其是在力学领域，理解平均速度的概念对于分析物体的运动至关重要。术语平均速度指的是一个物体在特定时间段内的平均速度。它是通过将物体的总位移除以完成该位移所用的总时间来计算的。这一定义强调了距离和时间在确定物体从一个点移动到另一个点的速度时的重要性。为了说明这一概念，考虑一辆车从A点行驶到B点。如果这辆车在2小时内行驶了100公里，我们可以使用以下公式计算它的平均速度：平均速度 = 总位移 / 总时间在这种情况下，总位移是100公里，总时间是2小时。因此，这辆车的平均速度为：平均速度 = 100公里 / 2小时 = 50公里/小时。这意味着在其旅程中，这辆车的平均速度为每小时50公里。然而，需要注意的是，平均速度并未考虑旅途中可能发生的速度变化。例如，由于交通情况、道路坡度或其他因素，汽车可能加速或减速。因此，虽然平均速度提供了整体运动的有用总结，但它并没有捕捉到汽车旅程的全部复杂性。在实际应用中，平均速度常常用于工程、环境科学甚至体育等各个领域。例如，工程师可能需要计算流体在管道中流动的平均速度以设计高效的系统。同样，环境科学家可能评估河流流速的平均速度以了解沉积物运输和生态系统动态。此外，在体育比赛中，教练和分析师经常评估运动员在比赛中的平均速度以优化训练方案。通过了解运动员表现时的平均速度，教练可以针对性地调整训练计划以提高表现。总之，平均速度的概念不仅在物理学中是基础性的，而且在现实世界的应用中具有重要意义。它能够总结一个物体在一段时间内的平均速度，使其成为科学家、工程师和体育专业人士的宝贵工具。通过掌握对平均速度的理解，人们可以深入洞察运动的动态，并基于此知识做出明智的决策。总的来说，研究平均速度为深入探索运动及其基本原理的迷人世界打开了一扇大门。