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Drawing velocity time graphs from distancetime graphs 
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#1
Feb2206, 04:09 PM

P: 37

Can someone please tell me how to draw a VT graph from this DT graph? Thanks.
Edit: Sorry, one more question. This is about unit conversions though. How do I convert 175 kg x m/h2 to g x cm/s2? 


#2
Feb2206, 04:39 PM

P: 116

Not being able to see your graph, I can tell you this. Obtain the velocity (velocities?) from your first graph through [itex]v=\frac{\Delta s}{\Delta t}[/itex]. Can you go from here?



#3
Feb2206, 04:55 PM

Mentor
P: 40,730

The trick in units conversions is to keep multiplying by one at each step. Just make your "1" special by putting the target units in the numerator and the existing units in the denominator, and cancel units that show up in both the numerator and denominator of the product. Like if you want to convert 175kg to g,
175kg * (1000g/1kg) = etc. Or if you want to convert hours^2 to seconds^2, 1hour^2 * (3600seconds/hour)^2 = etc. Does that make sense? 


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