Time, Velocity, and Speed

Introduction

Snails leaving slime trails as they race each other along a flat surface.

Figure 2.8 The motion of these racing snails can be described by their speeds and their velocities.

There is more to motion than distance and displacement. Questions such as, "How long does a foot race take?" and "What was the runner's speed?" cannot be answered without an understanding of other concepts. In this section we add definitions of time, velocity, and speed to expand our description of motion.

Source: Rice University, https://openstax.org/books/college-physics/pages/2-3-time-velocity-and-speed
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