Speed - Revision history

FredericBernard: Changed category to Mechanics

2017-04-06T14:02:45Z

Changed category to Mechanics

2016-07-13T19:35:42Z

clean up & uniformity

2011-08-17T14:44:33Z

2010-06-24T13:20:17Z

Reverted edits by Conservative1899 (Talk) to last revision by Human

2008-10-05T06:46:47Z

2008-06-10T04:04:19Z

correction

2008-01-27T03:48:58Z

2007-11-15T02:13:25Z

2007-10-17T04:31:40Z

grammar

2007-10-17T04:28:10Z

Corrected some things and added units.

@@ Line 2: / Line 2: @@
 '''speed''' refers to the magnitude of the [[velocity]] of an object.
-Speed is the total [[distance]] traveled divided by the [[time]] it takes to travel it<ref>Serway and Beichner, ''Physics for Scientists and Engineers'', Fifth Edition</ref>.
+Speed is the total [[distance]] traveled divided by the [[time]] it takes to travel it.<ref>Serway and Beichner, ''Physics for Scientists and Engineers'', Fifth Edition</ref>
 <math>Speed=\frac{d D}{d t}</math>
@@ Line 13: / Line 13: @@
 <references/>
-[[category:physics]]
+[[Category:Physics]]
-[[category:mechanics]]
+[[Category:Mechanics]]

@@ Line 8: / Line 8: @@
 Note that speed is a [[scalar]], therefore it has no direction, and because it is a measure of magnitude, it is never negative.
-Like velocity, units for its measurement are [[meter]]s/[[second]] (m/s), and more commonly in informal circumstances [[kilometer]]s/[[hour]] (kph) and [[mile]]s/[[hour]] (mph).
+Like velocity, units for its measurement are [[meter]]s/[[second]] (m/s), and more commonly in informal circumstances [[kilometer]]s/[[hour]] (kph) or (km/h) and [[mile]]s/[[hour]] (mph) or (MPH).
 ==References==

@@ Line 8: / Line 8: @@
 Note that speed is a [[scalar]], therefore it has no direction, and because it is a measure of magnitude, it is never negative.
-Like velocity, units for its measurement are [[meter]]/[[second]] and more commonly in informal circumstances [[kilometer]]/[[hour]] and [[mile]]/[[hour]].
+Like velocity, units for its measurement are [[meter]]s/[[second]] (m/s), and more commonly in informal circumstances [[kilometer]]s/[[hour]] (kph) and [[mile]]s/[[hour]] (mph).
 ==References==

@@ Line 6: / Line 6: @@
 <math>Speed=\frac{d D}{d t}</math>
-Note that speed is a [[scalar]], therefore it has no direction or sign.
+Note that speed is a [[scalar]], therefore it has no direction, and because it is a measure of magnitude, it is never negative.
 Like velocity, units for its measurement are [[meter]]/[[second]] and more commonly in informal circumstances [[kilometer]]/[[hour]] and [[mile]]/[[hour]].

← Older revision	Revision as of 13:20, June 24, 2010
(No difference)

@@ Line 1: / Line 1: @@
-In [[physics]], speed refers to the magnitude of the [[velocity]] of an object.
+In [[physics]],
-'''Speed''' is the total [[distance]] traveled divided by the [[time]] it takes to travel it<ref>Serway and Beichner, ''Physics for Scientists and Engineers'', Fifth Edition</ref>.
+Speed is the total [[distance]] traveled divided by the [[time]] it takes to travel it<ref>Serway and Beichner, ''Physics for Scientists and Engineers'', Fifth Edition</ref>.
 <math>Speed=\frac{d D}{d t}</math>

@@ Line 7: / Line 7: @@
 Note that speed is a scalar, therefore it has no direction or sign.
-Like velocity, units for it's measurement are [[meter]]/[[second]] and more commonly in informal circumstances [[kilometer]]/[[hour]] and [[mile]]/[[hour]]
+Like velocity, units for its measurement are [[meter]]/[[second]] and more commonly in informal circumstances [[kilometer]]/[[hour]] and [[mile]]/[[hour]].
 ==References==