📚 Year 11 Eduqas Physics: Formulae and Theorems Quick Reference Handbook | Year 11 Eduqas 物理:公式定理速查手册
This quick reference handbook covers all the essential formulae, laws and theorems required for the Eduqas GCSE Physics (Year 11) course. Use it to review the key equations for mechanics, energy, waves, electricity, the particle model, atomic physics, space and electromagnetism. Each section presents the most important relationships with clear explanations in both English and Chinese.
本手册是Eduqas GCSE 物理(Year 11)课程的全部核心公式、定律和定理的速查指南。你可以用它快速复习力学、能量、波、电学、粒子模型、原子物理、空间物理以及电磁学部分的重要关系式。每个小节均以中英双语呈现关键方程,并附有清晰解释。
1. Motion: Speed, Velocity and Acceleration | 运动:速率、速度与加速度
The average speed of an object is defined as the total distance travelled divided by the time taken.
物体的平均速率定义为所经过的总距离除以所用的时间。
v = s ÷ t
Here v represents average speed (m/s), s is distance travelled (m), and t is the time taken (s).
其中 v 代表平均速率(米/秒),s 是经过的距离(米),t 是所用的时间(秒)。
Acceleration is the rate of change of velocity. For an object that accelerates uniformly, the acceleration a is given by the change in velocity divided by the time taken.
加速度是速度的变化率。对于做匀加速运动的物体,加速度 a 等于速度的变化量除以所用时间。
a = (v - u) ÷ t
In this equation, v is the final velocity (m/s), u is the initial velocity (m/s), and t is the time (s).
该式中,v 是末速度(米/秒),u 是初速度(米/秒),t 是时间(秒)。
When acceleration is constant, the relationships between displacement s, initial velocity u, final velocity v, acceleration a and time t are known as the SUVAT equations.
当加速度恒定时,位移 s、初速度 u、末速度 v、加速度 a 和时间 t 之间的关系被称为 SUVAT 方程。
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