velocity

Table of Contents

Introduction References & Edit History Related Topics

Images

determining the course of an aircraft

Velocities of the same body in two frames of reference (see text).

Read Next

Earth from space. Full-hemisphere views of the Earth showing Hurricane Linda at its peak approaching Baja California on 1997 September 11.

What Is Earth’s Velocity?

Highway Night Traffic Portland, drive, driving, car, automobile.

What's the Difference Between Speed and Velocity?

Discover

Artist interpretation of space asteroids impacting earth and moon. Meteoroids, meteor impact, end of the world, danger, destruction, dinosaur extinct, Judgement Day, Doomsday Predictions, comet

Major Mass Extinctions

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Demystified - Do Lemmings Really Commit Mass Suicide? illustration

Do Lemmings Really Commit Mass Suicide?

An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

Nelson Mandela, undated photo.

15 Nelson Mandela Quotes

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

velocity: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: Apr 16, 2025

Photos

determining the course of an aircraft

Velocities of the same body in two frames of reference (see text).

See All Images →

Topics

generalized velocity speed average velocity group velocity instantaneous velocity phase velocity radial velocity tangential velocity wave velocity angular velocity radiation radioactivity relativity cluster isomerism phase elasticity entropy polarity heat

Key People

Antoine de Chézy

French engineer

Quiz

barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure

Fun Facts of Measurement & Math

Demystified

Highway Night Traffic Portland, drive, driving, car, automobile.

What's the Difference Between Speed and Velocity?