Why dose v = d/t ?

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  • #1
Why dose v = d/t ?
 

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  • #2
Doc Al
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Why dose v = d/t ?
Did you have some specific problem in mind?

Average speed, by definition, equals distance/time.
 
  • #3
so, it could be also: v = d*t ?
 
  • #4
Doc Al
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so, it could be also: v = d*t ?
No. Those are not equivalent at all.

Think how speed would be measured: meters per second, m/s, for example.
 
  • #5
why did you replace per with / ... ?
 
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  • #6
Doc Al
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why did you replace per with / ... ?
That's what it means. I just translated everyday language into the more precise mathematical language.

If your speed is 60 miles per hour, you can write that as 60 miles/hour.
 
  • #7
I got it... Thanks!
 

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