Simple units conversion (km/h -> m/s)

  • Thread starter oggfile
  • Start date
  • #1
2
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So the problem is:

Convert 35 km/h to in m/s.

I know that:

- 1 km = 10^3 m
- 1 h = 60 s

So I do:

35 km/h (10^3 m/1 km) (1 h/60 s) = 583 m/s

But the answer is 9.7 -- What??
 

Answers and Replies

  • #2
stewartcs
Science Advisor
2,177
3
So the problem is:

Convert 35 km/h to in m/s.

I know that:

- 1 km = 10^3 m
- 1 h = 60 s

So I do:

35 km/h (10^3 m/1 km) (1 h/60 s) = 583 m/s

But the answer is 9.7 -- What??

[tex] \frac{35km}{h} \cdot \frac{1000m}{1km} \cdot \frac{1h}{3600s}[/tex]

There are more seconds in an hour than 60!

Hope this helps.

CS
 
  • #3
2
0
[tex] \frac{35km}{h} \cdot \frac{1000m}{1km} \cdot \frac{1h}{3600s}[/tex]

There are more seconds in an hour than 60!

Hope this helps.

CS

Wow, that was dumb of me. Seriously, I could simply NOT figure this out. Thanks a lot!
 
  • #4
stewartcs
Science Advisor
2,177
3
Wow, that was dumb of me. Seriously, I could simply NOT figure this out. Thanks a lot!

Honest mistake...happens to everyone sometimes.

CS
 

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