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# M1 Acceleration Time Graph watch

1. I was hoping someone could explain what an acceleration time graph looks like and how to interpret it (e.g. what does gradient represent?) as my text book is useless and does not cover it!
2. With an acceleration time graph, the area under the line is equal to the change in velocity. The gradient is meaningless is most cases I doubt you'd need it.

It normally is a straight line but can sometimes be curved.
3. Come on hannah, you and me both know its a time versus acceleration graph. It's gradient shows peanuts.
4. Ok thanks a lot
5. I'm not sure this is in M1 at all, but anyway...

M1 deals with constant acceleration only, so you definitely will not see an acceleration-time graph with a sloped line, as this would represent changing acceleration.
When there is an acceleration, the graph will be a horizontal line above the x-axis. For a decceleration, it will be a horizontal line below the x-axis. For constant speed, the graph will run along the x-axis. These horizontal lines would be joined by vertical lines (or none at all?) as acceleration is assumed to change instantaneously in this module.

I don't recall seeing an acceleration-time graph when I did M1. There might have been in M2/M3 when you have changing acceleration, but if there was I can't remember doing it.
6. I'm not sure if it's in either but I was caught out by M1 in the summer and don't wont to be again!
7. (Original post by x_Hannah_x)
I'm not sure if it's in either but I was caught out by M1 in the summer and don't wont to be again!
Well perhaps you would be better learning topics that are actually in the module.
8. (Original post by Potally_Tissed)
Well perhaps you would be better learning topics that are actually in the module.
I did but then there was a thrust question when I'd never done thrust before And I read on a thread on here it would be a good idea to be able to do acceleration-time graphs so I took the advice

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Updated: January 14, 2010
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