1, the relationship between displacement and time
One of the basic relationships of kinematics is the relationship between displacement and time. Displacement is the distance of an object from one position to another, which is represented by the symbol Δ x, and its relationship can be expressed as: Δ δx = vavg * t, where vavg represents the average speed and t represents the time.
2, the relationship between speed and time
The relationship between speed and time can be expressed as: v = Δ x/t, where Δ x represents displacement and t represents time. This relationship shows that speed is the ratio of displacement to time, that is, the distance that an object moves in unit time. Speed is a physical quantity describing the speed and direction of an object, which is represented by the symbol V.
3, the relationship between the average speed and acceleration
Acceleration is a physical quantity describing the rate of change of speed, which is represented by symbol A, where v0 represents the initial speed and v represents the final speed. The relationship between average velocity and acceleration can be expressed as vavg=(v0+v)/2. According to the definition, acceleration A is equal to the ratio of speed change Δ V to time interval Δ T, that is, A = Δ V/Δ T. ..
4. The relationship between displacement and acceleration
The relationship between displacement and acceleration can be expressed as Δ x v 0 * t+(1/2) * a * t2, where v0 represents initial velocity, t represents time and a represents acceleration. This relationship reveals the law that the displacement of an object changes with time under the action of acceleration.
5, the relationship between speed and acceleration
The relationship between velocity and acceleration can be expressed as: v=v0+a*t, where v0 represents initial velocity, t represents time and a represents acceleration. This relationship describes the change of the speed of an object with time at a given acceleration.
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This is the most basic formula in kinematics, which is suitable for uniform linear motion and uniform variable linear motion. In more complex situations, such as curvilinear motion or motion in three-dimensional space, it is necessary to use more advanced mathematical tools and formulas to describe the motion process of objects, such as vectors and differential equations.