mean velocity
简明释义
平均速度
英英释义
Mean velocity refers to the average speed of an object over a specified time interval, calculated by dividing the total displacement by the total time taken. | 平均速度是指在特定时间间隔内物体的平均速度,通过将总位移除以所用总时间来计算。 |
例句
1.To calculate the mean velocity 平均速度 of the car, we divided the total distance by the total time.
为了计算这辆车的平均速度 mean velocity,我们将总距离除以总时间。
2.In fluid dynamics, the mean velocity 平均速度 helps in understanding flow characteristics.
在流体动力学中,平均速度 mean velocity 有助于理解流动特性。
3.The river's mean velocity 平均速度 was measured to be 3 meters per second.
这条河流的平均速度 mean velocity 测量为每秒3米。
4.The mean velocity 平均速度 of the airplane during its flight was recorded at 250 knots.
飞机飞行过程中的平均速度 mean velocity 记录为250节。
5.We need to find the mean velocity 平均速度 of the particles in the solution for our experiment.
我们需要计算溶液中颗粒的平均速度 mean velocity 以进行实验。
作文
In the study of physics and engineering, understanding the concept of mean velocity (平均速度) is essential for analyzing motion. The term refers to the average speed of an object over a specific period of time and is calculated by dividing the total distance traveled by the total time taken. This fundamental concept helps us comprehend how quickly an object moves and is vital in various applications ranging from everyday scenarios to complex scientific research.To illustrate the importance of mean velocity (平均速度), consider a simple example of a car traveling on a highway. Suppose the car covers a distance of 120 kilometers in 2 hours. To find the mean velocity (平均速度), we would divide the distance by the time: 120 km / 2 h = 60 km/h. This means that, on average, the car was traveling at a speed of 60 kilometers per hour throughout its journey. This average speed provides crucial information about the car's performance and helps in planning travel times.Moreover, the concept of mean velocity (平均速度) is not limited to linear motion. It can also be applied to more complex movements, such as objects moving in a circular path or even in three-dimensional space. For instance, if a runner completes a lap around a track that is 400 meters long in 50 seconds, their mean velocity (平均速度) can be calculated similarly: 400 m / 50 s = 8 m/s. This average gives insights into the runner's pace and can be used to compare performances in races.In addition to its applications in everyday life, mean velocity (平均速度) plays a critical role in scientific research and engineering design. Engineers often need to consider the mean velocity (平均速度) of fluids in pipelines to ensure efficient transport and minimize energy loss. In environmental science, researchers may analyze the mean velocity (平均速度) of rivers to understand sediment transport and ecosystem dynamics. These examples demonstrate how this concept is interwoven with practical applications and theoretical studies.It is also important to differentiate between mean velocity (平均速度) and instantaneous velocity. While mean velocity (平均速度) provides an average over a time interval, instantaneous velocity refers to the speed of an object at a specific moment in time. Understanding both concepts is crucial for a comprehensive grasp of motion and dynamics.In conclusion, the concept of mean velocity (平均速度) is a fundamental aspect of kinematics that aids in understanding motion across various contexts. From everyday travel to advanced engineering applications, the ability to calculate and interpret mean velocity (平均速度) is invaluable. As we continue to explore the intricacies of motion, mastering this concept will undoubtedly enhance our comprehension of the physical world around us.
在物理学和工程学的研究中,理解平均速度(mean velocity)的概念对于分析运动至关重要。这个术语指的是一个物体在特定时间段内的平均速度,通过将总距离除以总时间来计算。这个基本概念帮助我们理解一个物体的移动速度,并且在从日常场景到复杂科学研究的各种应用中都是至关重要的。为了说明平均速度(mean velocity)的重要性,可以考虑一个简单的例子:一辆汽车在高速公路上行驶。假设汽车在2小时内行驶了120公里。要找出平均速度(mean velocity),我们将距离除以时间:120公里/2小时=60公里/小时。这意味着,在整个旅程中,汽车的平均速度是每小时60公里。这个平均速度提供了关于汽车性能的重要信息,并有助于规划旅行时间。此外,平均速度(mean velocity)的概念并不仅限于线性运动。它还可以应用于更复杂的运动,例如沿着圆形路径或甚至在三维空间中移动的物体。例如,如果一个跑步者在50秒内完成了一圈400米的跑道,他们的平均速度(mean velocity)可以类似地计算:400米/50秒=8米/秒。这个平均值提供了对跑步者步伐的洞察,并可以用于比较比赛中的表现。除了在日常生活中的应用外,平均速度(mean velocity)在科学研究和工程设计中也起着关键作用。工程师通常需要考虑管道中流体的平均速度(mean velocity),以确保高效运输并最小化能量损失。在环境科学中,研究人员可能会分析河流的平均速度(mean velocity),以了解沉积物运输和生态系统动态。这些例子表明,这个概念与实际应用和理论研究交织在一起。还需要区分平均速度(mean velocity)和瞬时速度。虽然平均速度(mean velocity)提供了一个时间间隔内的平均值,但瞬时速度则指的是物体在特定时刻的速度。理解这两个概念对于全面掌握运动和动力学至关重要。总之,平均速度(mean velocity)的概念是运动学的一个基本方面,帮助我们在各种上下文中理解运动。从日常旅行到先进的工程应用,计算和解释平均速度(mean velocity)的能力是无价的。随着我们继续探索运动的复杂性,掌握这一概念无疑将增强我们对周围物理世界的理解。
相关单词