Respuestas
Respuesta:Speed is speed. It tells us how far something or someone goes in a given time or how much is achieved in a given time. For example, kilometers per hour, meters per minute, boxes per hour, cubic meters per day, etc. In the case of rotary, motor-driven machines, things get complicated because we have to take into account the rpm or revolutions per minute, revolutions per minute, which can also be converted into revolutions per hour, or in some cases it is said: " it has to go around every 3 minutes, or every hour. " All these concepts are of speed.
In the case of linear speed, it is the relationship between distance and time, that is, the distance traveled in the unit of time, and in the case of rotary movement it is the number of turns in the unit of time. We have already defined the concept of speed.
Let's move on to the concept of acceleration, which is a bit more complex. Acceleration is the change in speed in the unit of time. For mathematicians, it is nicer to put it as a = dv / dt, which means that velocity is the derivative of velocity with respect to time; But to see it more clearly, let's say that a body that is at a certain speed without varying it has zero acceleration. For example, a car that is permanently at 100 km per hour, has zero acceleration, since the speed does not change.
Explicación:I hope it helps you