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Hidden 8 yrs ago Post by Etcetera
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Etcetera David Dynamo

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Have an exam tomorrow on rotational kinematics and dynamics, energy of rotation, and Kepler's Laws. Rotational dynamics murders me.


Same, but already did it. Good luck.
Hidden 8 yrs ago Post by Intrepid
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<Snipped quote by Intrepid>

Same, but already did it. Good luck.


Any tips?
Hidden 8 yrs ago Post by Legend
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<Snipped quote by Etcetera>

Any tips?


"Basic" functions (acceleration, velocity, position, etc.) on the linear plane are equal to the polar/rotational plane times the radius (e.g. v = rw). "Complex" functions (such as force) on the linear plane are equal to the polar/rotational plane divided by the radius (e.g. Fr = T). It shouldn't be too difficult if you remember angular momentum is conserved and that'll be the hallmark for a lot of what you do.
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Hidden 8 yrs ago Post by Intrepid
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<Snipped quote by Intrepid>

"Basic" functions (acceleration, velocity, position, etc.) on the linear plane are equal to the polar/rotational plane times the radius (e.g. v = rw).


This is actually an extremely simple way of putting something I've been trying to beat into my head for a week.

"Complex" functions (such as force) on the linear plane are equal to the polar/rotational plane divided by the radius (e.g. Fr = T). It shouldn't be too difficult if you remember angular momentum is conserved and that'll be the hallmark for a lot of what you do.


And this is simple after getting the first bit. Thanks Dahveed. That legitimately helped loads.
Hidden 8 yrs ago Post by DarkwolfX37
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I have determined that cyber defense is really hard.


Congratulations.
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<Snipped quote by DarkwolfX37>

AHA
WAIT
3 * 4 = 12


That's much weirder feeling though.
Hidden 8 yrs ago Post by DarkwolfX37
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strawpoll.me/11645810
A question I've recently become interested in. It's not meant to cause debate, since it's a general question and doesn't specify anything. pls answer


How the fuck do YOU think I feel about it?
Hidden 8 yrs ago Post by Legend
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<Snipped quote by Legend>

This is actually an extremely simple way of putting something I've been trying to beat into my head for a week.

<Snipped quote by Legend>

And this is simple after getting the first bit. Thanks Dahveed. That legitimately helped loads.


You're welcome. There's another complex function, but it's escaping me at the moment.

<Snipped quote by whizzball1>

How the fuck do YOU think I feel about it?


It's a poll. Anonymous.
Hidden 8 yrs ago Post by whizzball1
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<Snipped quote by whizzball1>

How the fuck do YOU think I feel about it?


I honestly have no idea. And it's an anonymous poll, so I don't know what you voted.
Hidden 8 yrs ago Post by Intrepid
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Professor pulled the ol' bait-and-switch.
Hidden 8 yrs ago Post by whizzball1
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Professor pulled the ol' bait-and-switch.


Is that particularly good?
Hidden 8 yrs ago Post by Intrepid
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<Snipped quote by Intrepid>

Is that particularly good?


Not at all.
Hidden 8 yrs ago Post by Legend
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Professor pulled the ol' bait-and-switch.


What happened?
Hidden 8 yrs ago Post by Intrepid
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<Snipped quote by Intrepid>

What happened?


Told us angular kinematics would be one of the problems we had on the test, then replaced that concept altogether with equilibrium.
Hidden 8 yrs ago Post by Legend
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<Snipped quote by Legend>

Told us angular kinematics would be one of the problems we had on the test, then replaced that concept altogether with equilibrium.


Er, ours did the same thing. It made me angry.
Hidden 8 yrs ago Post by Intrepid
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Er, ours did the same thing. It made me angry.


What an unhappy coincidence.
Hidden 8 yrs ago Post by Legend
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<Snipped quote by Legend>

What an unhappy coincidence.


That one question probably ruined my grade, too.
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<Snipped quote by Intrepid>

That one question probably ruined my grade, too.


What ruined mine was probably either that question or Universal Gravitation, depending on if my calculator put numbers out properly.
Hidden 8 yrs ago Post by Legend
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<Snipped quote by Legend>

What ruined mine was probably either that question or Universal Gravitation, depending on if my calculator put numbers out properly.


I didn't have one of those.
Hidden 8 yrs ago Post by Intrepid
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<Snipped quote by Intrepid>

I didn't have one of those.


Why? You not need them for your test?
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