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Physics · Glossary

What is Uniform rectilinear motion?

Definition 24.8 High School Physics · Chapter 24 — Kinematics in Two Dimensions

A motion is uniform rectilinear when v→\vect v is a constant vector: straight trajectory, constant speed, a→=0→\vect a = \vect 0. Then x(t)=v t+x0x(t) = v\,t + x_0.

Uniformly accelerated motion (a = 2.0\, m/ s2, v_0 = 1.0\, m/ s, x_0 = 0): each graph is the derivative of the one above — a parabola, its slope, the slope’s slope.
Uniformly accelerated motion (a=2.0 m/s2a = 2.0\,\mathrm{m}/\mathrm{s}^{2}, v0=1.0 m/sv_0 = 1.0\,\mathrm{m}/\mathrm{s}, x0=0x_0 = 0): each graph is the derivative of the one above — a parabola, its slope, the slope’s slope.
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