Search found 91 matches
- May 21st, 2015, 12:19 am
- Forum: General Competition
- Topic: Events 2015-2016?
- Replies: 334
- Views: 98259
Re: Events 2015-2016?
Chalker, are you able to tell us what the other events that had strong pushback were? I admit that this caught my attention, too. However, I expect that we won't be hearing that detail ;) . Actually, I would be interested in sharing 2 of them (mainly because they are in my committee and I'd like to...
- May 20th, 2015, 11:28 pm
- Forum: 2015 Build Events
- Topic: Air Trajectory B/C
- Replies: 573
- Views: 171886
Re: Air Trajectory B/C
Well... I don't remember the exact point value of the winning score... it was over 6000, but, I do know the distances off. Far target: 143mm, Near target: 0mm, both bucket shots hit the bottom.RBears6 wrote:Anyone know what the winning score was for nats?
The next team down had about 400 points less...
- May 3rd, 2015, 12:09 pm
- Forum: 2015 Question Marathons
- Topic: It's About Time C
- Replies: 54
- Views: 26361
Re: It's About TIme
nopejkang wrote:Any luck yet?plaid suit guy2 wrote:Okay, I can't for the life of me find the oscillatory period of the hydrogen
- April 29th, 2015, 11:25 am
- Forum: Posting Games
- Topic: Change One Letter
- Replies: 502
- Views: 62676
- April 29th, 2015, 7:26 am
- Forum: 2015 Question Marathons
- Topic: Simple Machines B/Compound Machines C
- Replies: 127
- Views: 46715
Re: Simple Machines B/Compound Machines C
Correct.Unome wrote:[math](10 m)(20/25*20 kg) + (15 m)(x kg) = (5 m)(15 kg) + (2.5 m)(4 kg)[/math] [math]x=5kg[/math] Definitely negative
So I posted the question, then realized I would need the answers too, and then realized it was negative.
- April 28th, 2015, 5:33 pm
- Forum: 2015 Question Marathons
- Topic: Simple Machines B/Compound Machines C
- Replies: 127
- Views: 46715
Re: Simple Machines B/Compound Machines C
I did too, so it's all good. Oh, also, Now I get it. I forgot the \sigma F = 0 part... :oops: Assuming the lever has a constant density|4 kg except... shouldn't the weight of the lever arm increase as the arm goes further away from the fulcrum? This is an incorrect answer. The weight doesn't increa...
- April 28th, 2015, 5:12 pm
- Forum: Feedback
- Topic: Useful BBcodes
- Replies: 11
- Views: 11180
Re: Useful BBcodes
why do we not have [s][/s] for strike through?
- April 28th, 2015, 3:17 pm
- Forum: 2015 Question Marathons
- Topic: Simple Machines B/Compound Machines C
- Replies: 127
- Views: 46715
Re: Simple Machines B/Compound Machines C
I did too, so it's all good. Oh, also, You sure? The first problem is this divcanswer.png Try the second question. Now I get it. I forgot the \sigma F = 0 part... :oops: Assuming the lever has a constant density|4 kg except... shouldn't the weight of the lever arm increase as the arm goes further aw...
- April 28th, 2015, 3:08 pm
- Forum: 2015 Question Marathons
- Topic: Simple Machines B/Compound Machines C
- Replies: 127
- Views: 46715
Re: Simple Machines B/Compound Machines C
It't just ends up as 27.84N (exactly as written on the piece of paper I wrote the solution on last night at like 10:30. Tired me is better as physics, as it turns out )
done correctly
done correctly
- April 28th, 2015, 3:04 pm
- Forum: 2015 Question Marathons
- Topic: Simple Machines B/Compound Machines C
- Replies: 127
- Views: 46715
Re: Simple Machines B/Compound Machines C
...yesUnome wrote:Wait... shouldn't be 10N?plaid suit guy2 wrote:You sure?
The first problem is this Try the second question.