initial speed

简明释义

初速

英英释义

The speed of an object at the moment it begins to move or is released from rest.

物体开始移动或从静止状态释放时的速度。

The velocity of an object at the starting point of its motion, often used in physics to describe the motion of projectiles or vehicles.

物体在运动起始点的速度,通常用于物理学中描述抛射物或车辆的运动。

例句

1.The initial speed (初始速度) of the ball determines how far it will travel when thrown.

球的初始速度决定了它投掷时能飞多远。

2.The car's initial speed (初始速度) was measured at 60 km/h before the race started.

比赛开始前,汽车的初始速度被测量为60公里每小时。

3.To calculate the distance traveled, we need to know the initial speed (初始速度) and the time of travel.

要计算行驶的距离,我们需要知道初始速度和旅行时间。

4.The rocket was launched with an initial speed (初始速度) of 500 m/s.

火箭以500米每秒的初始速度发射。

5.In physics, the initial speed (初始速度) of an object can greatly affect its trajectory.

在物理学中,一个物体的初始速度会极大地影响它的轨迹。

作文

In the realm of physics, the concept of initial speed is fundamental to understanding motion. The initial speed refers to the velocity of an object at the very beginning of its movement. This measurement is crucial in various fields, including engineering, sports science, and even space exploration. For example, when a rocket launches, its initial speed determines how quickly it can break free from the Earth's gravitational pull. To illustrate the importance of initial speed, let’s consider a simple scenario: a soccer player kicking a ball. The moment the player strikes the ball, it has a certain initial speed. This speed will influence how far the ball travels and how quickly it reaches its target. If the player kicks the ball with a higher initial speed, it will cover more distance in a shorter amount of time. Thus, understanding the factors that contribute to achieving a desirable initial speed can help athletes improve their performance.Moreover, in the context of automotive engineering, the initial speed of a car at the moment of acceleration plays a significant role in determining its overall performance. Engineers must calculate the initial speed to ensure that the vehicle can accelerate efficiently while maintaining safety standards. This calculation involves various factors such as engine power, weight distribution, and aerodynamics. By optimizing these elements, automotive designers can create cars that not only have a high initial speed but also excellent handling and stability.In the world of sports, coaches often analyze players' initial speed during training sessions. For instance, sprinters work on their starting techniques to achieve the fastest possible initial speed. A quick start can significantly impact the outcome of a race, making it essential for athletes to focus on this aspect of their performance. Coaches use timing devices to measure the initial speed of their athletes during practice runs, allowing them to make necessary adjustments to improve their overall speed and efficiency.Additionally, the concept of initial speed is also relevant in the field of projectiles. When launching a projectile, such as a cannonball or a basketball, the initial speed at which it is released affects its trajectory and distance traveled. Understanding the physics behind initial speed allows engineers and scientists to design better sports equipment and improve safety measures in various applications.In conclusion, the term initial speed encompasses a critical aspect of motion that has wide-ranging implications across different fields. Whether in sports, engineering, or physics, achieving the optimal initial speed is essential for success. By grasping the significance of initial speed and its impact on performance, individuals can enhance their understanding of motion and apply this knowledge in practical scenarios. As we continue to explore the principles of motion, the initial speed remains a key factor in unlocking the mysteries of how objects move and interact within our world.

在物理学领域,初始速度的概念是理解运动的基础。初始速度是指物体运动开始时的速度。这一测量在工程、运动科学甚至太空探索等多个领域中至关重要。例如,当火箭发射时,它的初始速度决定了它多快能够突破地球的引力。为了说明初始速度的重要性,让我们考虑一个简单的场景:一名足球运动员踢球。球员击打球的那一刻,球具有一定的初始速度。这个速度将影响球的飞行距离和到达目标的速度。如果球员以更高的初始速度踢球,球将在更短的时间内覆盖更远的距离。因此,理解影响达到理想初始速度的因素可以帮助运动员提高他们的表现。此外,在汽车工程的背景下,汽车加速时的初始速度在决定整体性能方面起着重要作用。工程师必须计算初始速度以确保车辆能够高效加速,同时保持安全标准。这一计算涉及多个因素,如发动机功率、重量分布和空气动力学。通过优化这些元素,汽车设计师可以制造出不仅具有高初始速度而且具有卓越操控性和稳定性的汽车。在体育界,教练通常在训练中分析运动员的初始速度。例如,短跑运动员会练习起跑技巧,以实现尽可能快的初始速度。快速的起步可以显著影响比赛结果,使运动员必须关注这一表现方面。教练使用计时设备在训练跑中测量运动员的初始速度,从而允许他们做出必要的调整,以提高整体速度和效率。此外,初始速度的概念在抛射物领域也很相关。当发射抛射物,如炮弹或篮球时,发射时的初始速度影响其轨迹和飞行距离。理解初始速度背后的物理学使工程师和科学家能够设计更好的运动器材,并改善各种应用中的安全措施。总之,术语初始速度涵盖了运动的一个关键方面,在不同领域具有广泛的影响。无论是在体育、工程还是物理学中,实现最佳的初始速度都是成功的关键。通过掌握初始速度的重要性及其对表现的影响,个人可以增强对运动的理解,并在实际场景中应用这一知识。随着我们继续探索运动原理,初始速度仍然是揭示物体如何在我们世界中移动和相互作用的奥秘的关键因素。

相关单词

initial

initial详解:怎么读、什么意思、用法