kiihtyvyydellä

Kiihtyvyydellä is Finnish for the adessive form of kiihtyvyys, meaning “with acceleration” or “by acceleration.” In scientific and technical texts it is used to express that something is described, measured, or governed in terms of acceleration. As a grammatical form, kiihtyvyydellä marks the instrument, manner, or context in which a statement applies.

In physics, acceleration is the rate of change of velocity with respect to time. It is a vector quantity, having both magnitude and direction, and its SI unit is meters per second squared (m/s^2). The standard relation is a = dv/dt, where a is acceleration and v is velocity. If acceleration is constant, velocity changes linearly with time and the position can be described by x(t) = x0 + v0 t + (1/2) a t^2. These equations form the basis of kinematics and are used to analyze motion under various forces, including gravity and propulsion.

The term kiihtyvyydellä is commonly used to frame descriptions of motion, experimental measurements, or models that involve acceleration. For example, a description might say that a particle’s motion is kuvattu kiihtyvyydellä, meaning the motion is described in terms of (or by) its acceleration. In technical contexts, it may appear in phrases indicating measurements or calculations performed with respect to acceleration, such as kiihtyvyyden aikavälin tai a(t) asettelu.

See also: kinematiikka, liike, nopeus, voima.