Changes

'''speed''' refers to the magnitude of the [[velocity]] of an object.

'''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>

<math>Speed=\frac{d D}{d t}</math>

<references/>

<references/>

[[category:physics]]

[[Category:Mechanics]]

[[category:mechanics]]