uniform acceleration

简明释义

等加速度

英英释义

例句

1.To calculate the final velocity of an object under uniform acceleration (匀加速), use the formula v = u + at.

要计算在匀加速（匀加速）下物体的最终速度，可以使用公式 v = u + at。

2.In a roller coaster ride, the initial climb can be considered as a phase of uniform acceleration (匀加速).

在过山车的旅程中，初始上升阶段可以视为匀加速（匀加速）的一个阶段。

3.A car moving with uniform acceleration (匀加速) can cover equal distances in equal time intervals.

一辆以匀加速（匀加速）行驶的汽车可以在相等的时间间隔内覆盖相等的距离。

4.The rocket launched into space with uniform acceleration (匀加速) until it reached its cruising speed.

火箭以匀加速（匀加速）发射到太空，直到达到巡航速度。

5.The physics experiment demonstrated that objects in free fall experience uniform acceleration (匀加速) due to gravity.

物理实验表明，自由下落的物体因重力而经历匀加速（匀加速）。

作文

In the study of physics, one of the fundamental concepts is that of uniform acceleration. This term refers to a situation where an object’s velocity changes at a constant rate over time. Understanding uniform acceleration is essential for analyzing various physical phenomena, from the motion of vehicles on a road to the trajectory of a projectile in the air.To illustrate this concept, let us consider a simple example: a car accelerating on a straight road. If the car increases its speed from 0 to 60 miles per hour in 10 seconds, and it does so at a steady rate, we can say that it is experiencing uniform acceleration. This means that every second, the car's speed increases by the same amount. In this case, it would be increasing its speed by 6 miles per hour each second.The formula for calculating the distance traveled under uniform acceleration is derived from the basic principles of kinematics. The distance (d) can be calculated using the equation: d = vt + (1/2)at²where 'v' is the initial velocity, 'a' is the acceleration, and 't' is the time. When an object is undergoing uniform acceleration, the acceleration 'a' remains constant, which simplifies the calculations significantly.Moreover, uniform acceleration can also be observed in free fall. When an object falls freely under the influence of gravity, it accelerates uniformly at approximately 9.81 m/s² (assuming there is no air resistance). This means that every second, the object’s velocity increases by 9.81 meters per second. The predictability of uniform acceleration allows scientists and engineers to design various systems, such as roller coasters and sports cars, with safety and performance in mind.One important aspect of uniform acceleration is its relationship with graphs. When plotting the velocity of an object experiencing uniform acceleration against time, the graph will produce a straight line. This linear relationship indicates that the velocity is increasing steadily over time. Conversely, if we plot the distance traveled against time, the graph will be a parabola. This curvature shows that while the distance increases, it does so at an increasing rate due to the constant acceleration.In conclusion, uniform acceleration is a key concept in physics that describes the motion of objects when their velocity changes at a constant rate. By understanding this principle, we can better analyze and predict the behavior of moving objects in various contexts. Whether it’s a car speeding down a highway or an apple falling from a tree, uniform acceleration plays a critical role in our understanding of motion and the laws of physics. As we continue to explore the universe, the principles of uniform acceleration will undoubtedly remain a cornerstone of our scientific endeavors.

在物理学的研究中，一个基本概念是均匀加速。这个术语指的是一个物体的速度在一段时间内以恒定的速率变化的情况。理解均匀加速对于分析各种物理现象至关重要，从车辆在道路上的运动到空气中抛射物的轨迹。为了说明这个概念，让我们考虑一个简单的例子：一辆车在直路上加速。如果这辆车在10秒内将速度从0提高到60英里每小时，并且以稳定的速率进行，我们可以说它正在经历均匀加速。这意味着每秒，汽车的速度都会增加相同的量。在这种情况下，它每秒将速度提高6英里每小时。计算在均匀加速下移动的距离的公式是根据运动学的基本原理推导出来的。距离(d)可以使用以下方程计算：d = vt + (1/2)at²其中'v'是初始速度，'a'是加速度，'t'是时间。当一个物体经历均匀加速时，加速度'a'保持不变，这大大简化了计算。此外，均匀加速也可以在自由落体中观察到。当一个物体在重力的影响下自由下落时，它以大约9.81米每秒平方（假设没有空气阻力）的速率均匀加速。这意味着每秒，物体的速度增加9.81米每秒。均匀加速的可预测性使科学家和工程师能够设计各种系统，如过山车和跑车，以确保安全和性能。均匀加速的一个重要方面是它与图形的关系。当绘制经历均匀加速的物体的速度与时间的关系图时，该图将产生一条直线。这种线性关系表明，速度随着时间的推移而稳步增加。相反，如果我们绘制行驶的距离与时间的关系图，则该图将呈抛物线形状。这种曲率显示，虽然距离在增加，但由于恒定的加速度，它以越来越快的速度增加。总之，均匀加速是物理学中的一个关键概念，描述了物体的运动，当它们的速度以恒定的速率变化时。通过理解这一原则，我们可以更好地分析和预测在各种背景下运动物体的行为。无论是一辆在高速公路上飞驰的汽车，还是从树上掉下来的苹果，均匀加速在我们对运动和物理法则的理解中都扮演着至关重要的角色。随着我们继续探索宇宙，均匀加速的原理无疑将继续成为我们科学努力的基石。