Drawing velocity time graphs from distance-time graphs


by Alain12345
Tags: distancetime, drawing, graphs, time, velocity
Alain12345
Alain12345 is offline
#1
Feb22-06, 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?
Attached Thumbnails
Dt Graph.JPG  
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assyrian_77
assyrian_77 is offline
#2
Feb22-06, 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?
berkeman
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#3
Feb22-06, 04:55 PM
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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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