final velocity

简明释义

末速度;

英英释义

例句

1.In free fall, an object will eventually reach its final velocity 最终速度 due to air resistance.

在自由下落中，物体最终会因空气阻力达到其最终速度 final velocity。

2.After the collision, we can determine the final velocity 最终速度 of the objects involved.

碰撞后，我们可以确定相关物体的最终速度 final velocity。

3.The final velocity 最终速度 of the rocket was measured at 3000 m/s during the test flight.

在测试飞行中，火箭的最终速度 final velocity 测量为 3000 米每秒。

4.To calculate the final velocity 最终速度, you need to know the initial speed and acceleration.

要计算最终速度 final velocity，你需要知道初始速度和加速度。

5.The car reached its final velocity 最终速度 of 60 mph after accelerating down the hill.

这辆车在坡道上加速后达到了其最终速度 final velocity 60 英里每小时。

作文

In the study of physics, understanding the concept of final velocity is essential for analyzing motion. Final velocity refers to the speed and direction of an object at the end of a given time interval. This concept is crucial in various applications, from simple mechanics to complex engineering problems. For instance, when a car accelerates from rest to a certain speed, the speed it reaches after a specific period is known as its final velocity. To illustrate this further, consider a scenario where a ball is thrown vertically upwards. As the ball rises, it slows down due to the force of gravity acting against its motion. The moment the ball reaches its highest point, its final velocity is zero before it starts to fall back down. This example highlights how final velocity can change depending on the forces acting on an object and the time duration of its motion.Moreover, the calculation of final velocity can be derived from the equations of motion. One of the most common equations used is: v_f = v_i + at, where v_f represents the final velocity, v_i is the initial velocity, a is the acceleration, and t is the time. By plugging in the values for initial velocity, acceleration, and time, one can easily determine the final velocity of an object.Understanding final velocity not only applies to theoretical physics but also has practical implications in everyday life. For example, engineers must calculate the final velocity of vehicles to ensure safety standards are met during crashes. By knowing how fast a car will be traveling at the moment of impact, they can design better crumple zones and airbags to protect passengers.In sports, athletes also benefit from understanding final velocity. A sprinter, for instance, may analyze their final velocity at the end of a race to improve their performance in future competitions. Coaches often use timing devices to measure how quickly an athlete reaches their final velocity, allowing them to adjust training regimens accordingly.In summary, the concept of final velocity is a fundamental aspect of physics that finds relevance in many fields. Whether in academic studies, engineering designs, or athletic training, grasping the meaning and application of final velocity can lead to improved understanding and innovation. As we continue to explore the principles of motion, the importance of final velocity will undoubtedly remain a key focus for both students and professionals alike.

在物理学的研究中，理解最终速度的概念对于分析运动至关重要。最终速度是指物体在给定时间间隔结束时的速度和方向。这个概念在从简单力学到复杂工程问题的各种应用中都至关重要。例如，当一辆车从静止加速到某个速度时，它在特定时间段后达到的速度被称为其最终速度。为了进一步说明这一点，考虑一个球被垂直向上投掷的场景。当球上升时，由于重力作用于其运动方向，它减速。球达到最高点的那一刻，其最终速度为零，然后开始下落。这个例子突显了最终速度如何根据作用于物体的力量和运动的时间持续变化。此外，最终速度的计算可以通过运动方程推导出来。最常用的方程之一是：v_f = v_i + at，其中v_f代表最终速度，v_i是初始速度，a是加速度，t是时间。通过将初始速度、加速度和时间的值代入，可以轻松确定物体的最终速度。理解最终速度不仅适用于理论物理，还有实际应用于日常生活中。例如，工程师必须计算车辆的最终速度以确保在碰撞期间满足安全标准。通过了解汽车在碰撞时的行驶速度，他们可以设计更好的变形区和安全气囊来保护乘客。在体育运动中，运动员也受益于理解最终速度。例如，一名短跑运动员可能会分析他们在比赛结束时的最终速度以改善未来比赛的表现。教练们常常使用计时设备来测量运动员达到最终速度的速度，从而相应调整训练计划。总之，最终速度的概念是物理学的基本方面，在许多领域都有相关性。无论是在学术研究、工程设计还是运动训练中，掌握最终速度的含义和应用都能带来更好的理解和创新。随着我们继续探索运动原理，最终速度的重要性无疑将继续成为学生和专业人士关注的重点。