Easy Guide: Converting km/h to m/s in Physics Class

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Homework Help Overview

The discussion revolves around converting units from kilometers per hour (km/h) to meters per second (m/s), a common topic in introductory physics classes.

Discussion Character

  • Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants share different methods for unit conversion, including the use of multiplication and division factors. Some express confusion about the conversion process, while others provide their reasoning and calculations.

Discussion Status

Several participants have contributed their understanding of the conversion process, with different approaches being discussed. There is an exchange of ideas, but no explicit consensus has been reached regarding the best method.

Contextual Notes

The original poster indicates a lack of clarity from the professor's explanation, suggesting that the topic may not have been thoroughly covered in class. Participants are working within the constraints of their current understanding and the information provided.

kfink85
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I am in my first physics class and the professor just kinda skimmed over this but I am lost on how to convert km/h to m/s.

What's the explanation on how to convert 82.4 km/h to m/s?

Thanks in advance for any help.
 
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There are 1000 m in one kilometer.
There are 60 seconds in an hour.

If you want to change from km/h to m/s, you need to divide by 1000 and multiply by 60. Think of it as multiplying by 1: 1 km/h * (1000m/km) * (1h/60s)= (1000/60) m/s
 
Thanks very much.
 
What I usually do is
\frac{1\ km}{1\ h}=\frac{1000\ m}{3600\ s}
which gives
1\ km/h=\frac{1}{3.6}\ m/s
or
1\ m/s=3.6\ km/h
 

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