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Reply #39: Okay so it's 10^-10 METERS [View All]

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karlrschneider Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Aug-21-07 07:32 PM
Response to Reply #32
39. Okay so it's 10^-10 METERS
Happy?
:eyes:
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  -Any Chemistry or Math geniuses out there? Emit  Aug-21-07 07:10 PM   #0 
  - i'm not seeing where you have to be a genius to answer these  pitohui   Aug-21-07 07:12 PM   #1 
  - Emit's daughter here.  Emit   Aug-21-07 07:15 PM   #2 
  - Do you know the formula for volume? It probably starts with something like "V=....".  BlooInBloo   Aug-21-07 07:16 PM   #4 
  - yes, I know the formula for volume.  Emit   Aug-21-07 07:19 PM   #11 
     - The r is a distance  Xipe Totec   Aug-21-07 07:22 PM   #19 
     - It does in a way, the value is needed to find the mass...  karlrschneider   Aug-21-07 07:26 PM   #27 
        - Your utter mastery of this problem is hereby acknowledged.  BlooInBloo   Aug-21-07 07:28 PM   #31 
        - you mean for the second problem?  Xipe Totec   Aug-21-07 07:29 PM   #33 
           - Yes. They added that to make it a little more complex, evidently.  karlrschneider   Aug-21-07 07:38 PM   #48 
     - For the second problem,  Xipe Totec   Aug-21-07 07:28 PM   #30 
  - The first one:  EstimatedProphet   Aug-21-07 07:18 PM   #10 
  - Sphere volume  Canuckistanian   Aug-21-07 07:19 PM   #13 
  - Do you know the formula for the volume of a sphere?  Xipe Totec   Aug-21-07 07:20 PM   #15 
     - yeah.  Emit   Aug-21-07 08:12 PM   #68 
        - Post #30 - Solve for height (thickness) n/t  Xipe Totec   Aug-21-07 08:15 PM   #69 
  - It's not cheating to help someone learn how to solve a problem. I'd help, but I haven't the  poverlay   Aug-21-07 07:16 PM   #5 
  - The questions really have nothing to do with chemistry  Canuckistanian   Aug-21-07 07:16 PM   #3 
  - Let's keep in mind we're talking to a kid here, folks.  BlooInBloo   Aug-21-07 07:17 PM   #6 
  - the consequences of getting caught cheating are more serious for a kid EOM  pitohui   Aug-21-07 07:22 PM   #20 
     - Oh - I just meant go easy on the "this is so easy" criticism.  BlooInBloo   Aug-21-07 07:27 PM   #28 
        - ok point taken EOM  pitohui   Aug-21-07 07:30 PM   #35 
        - thank you  Emit   Aug-21-07 07:43 PM   #50 
           - :) Nobody needs the added "oh god - I don't want to say the wrong thing...  BlooInBloo   Aug-21-07 07:48 PM   #56 
  - No algebra. A little geometry...  karlrschneider   Aug-21-07 07:20 PM   #16 
  - yeah that's what i'm thinking, this is very basic math  pitohui   Aug-21-07 07:21 PM   #18 
  - I was thinking that sounded like a 9th grade high school problem...  karlrschneider   Aug-21-07 07:28 PM   #29 
  - Yeah, but you guys have . .  msmcghee   Aug-21-07 07:50 PM   #59 
     - And circles with 400 degrees!  karlrschneider   Aug-21-07 07:56 PM   #64 
  - well im not a genius and i don't know the answers... but  mikelgb   Aug-21-07 07:18 PM   #7 
  - For volume of a sphere,  Toucano   Aug-21-07 07:18 PM   #8 
  - right  mikelgb   Aug-21-07 07:26 PM   #26 
  - It's pretty straightforward. Here's a hint  karlrschneider   Aug-21-07 07:18 PM   #9 
  - okay thank you, but  Emit   Aug-21-07 07:25 PM   #24 
  - You can't cube the number? It's just itself multiplied by itself 2 more times!  karlrschneider   Aug-21-07 07:29 PM   #34 
     - Easy, tiger.  BlooInBloo   Aug-21-07 07:37 PM   #45 
     - well of course I know how to cube a number.  Emit   Aug-21-07 07:38 PM   #46 
        - you have two ways to do that  hfojvt   Aug-21-07 07:47 PM   #54 
        - One cm is 10 ^ 10 A (can't recall the HTML for angstrom) so  karlrschneider   Aug-21-07 07:54 PM   #61 
        - Sorry, your (mom?) originally mentioned a University class.  karlrschneider   Aug-21-07 07:47 PM   #55 
  - where did you get 12?  Emit   Aug-21-07 07:56 PM   #63 
     - Damn! I messed up SORRY. I wrote  karlrschneider   Aug-21-07 07:59 PM   #66 
  - try this  FogerRox   Aug-21-07 07:19 PM   #12 
  - An Angstrom is 10^-8 cm  The Vinyl Ripper   Aug-21-07 07:19 PM   #14 
  - Oh, BTW..  The Vinyl Ripper   Aug-21-07 07:23 PM   #21 
  - That's strange, 10^-8?  Canuckistanian   Aug-21-07 07:28 PM   #32 
  - Okay so it's 10^-10 METERS  karlrschneider   Aug-21-07 07:32 PM   #39 
  - It's still not Engineering notation  Canuckistanian   Aug-21-07 07:46 PM   #52 
     - Very small engineers do  AngryAmish   Aug-21-07 07:49 PM   #57 
     - The monks, of course!  dropkickpa   Aug-21-07 09:23 PM   #93 
     - It's called scientific notation and engineers most surely do use them.  karlrschneider   Aug-21-07 07:55 PM   #62 
        - I know engineers use them  Canuckistanian   Aug-21-07 08:19 PM   #71 
           - Maybe things have changed but it has always been standard practice to  karlrschneider   Aug-21-07 08:24 PM   #76 
              - In science, yes. engineering, no.  Canuckistanian   Aug-21-07 08:43 PM   #82 
                 - Well, scientists have ideas and engineers turn them into reality.  karlrschneider   Aug-21-07 08:53 PM   #84 
                    - I agree (with your last statement)  Canuckistanian   Aug-21-07 09:16 PM   #90 
                    - Very well put  sailor65   Aug-21-07 09:20 PM   #92 
  - It's actually 10^-10 meter..  The Vinyl Ripper   Aug-21-07 07:39 PM   #49 
  - that's the right answer.  Emit   Aug-21-07 07:53 PM   #60 
     - 10^-8 centimeters/angstrom..  The Vinyl Ripper   Aug-21-07 07:57 PM   #65 
  - The angstrom isn't an SI unit  Bill McBlueState   Aug-21-07 08:53 PM   #83 
     - Thanks, that's a good explanation  Canuckistanian   Aug-21-07 09:34 PM   #98 
  - Yep, I did screw up...  The Vinyl Ripper   Aug-21-07 07:45 PM   #51 
  - These really aren't all that bad  dsc   Aug-21-07 07:20 PM   #17 
  - I tried to find the conversion on google.  Emit   Aug-21-07 07:30 PM   #37 
     - You have to get all the values in the same form. You can't convert  karlrschneider   Aug-21-07 07:35 PM   #42 
     - Angstrom is a unit of length, not volume..  The Vinyl Ripper   Aug-21-07 07:36 PM   #43 
     - I should have been clearer  dsc   Aug-21-07 07:38 PM   #47 
  - Hints: convert angstroms to centimeters and use the standard formula for  bluerum   Aug-21-07 07:23 PM   #22 
  - Uh, stoichiometry has to do with oxidation, not arithmetic...  karlrschneider   Aug-21-07 07:25 PM   #23 
     - uh - ratios and balancing equations.  bluerum   Aug-21-07 07:26 PM   #25 
        - I pick nits for a living.  karlrschneider   Aug-21-07 07:37 PM   #44 
  - I've noticed that a lot of people who can do the math have real difficulty with word problems..  The Vinyl Ripper   Aug-21-07 07:30 PM   #36 
  - I'm pretty good at math, calculus even, but I HATE these kinds of problems:  karlrschneider   Aug-21-07 08:28 PM   #77 
     - yah - d=rt problems kill a lot of people.  BlooInBloo   Aug-21-07 08:31 PM   #79 
     - Yeah, solving the equations is trivial...formulating them is what's a PITA  karlrschneider   Aug-21-07 08:37 PM   #80 
     - What if one...  reichstag911   Aug-21-07 09:12 PM   #88 
     - Then it becomes a question about illegal immigrants and I have absolutely no idea.  karlrschneider   Aug-21-07 09:31 PM   #96 
        - The illegal immigrant...  reichstag911   Aug-21-07 09:39 PM   #99 
           - Of course!  karlrschneider   Aug-21-07 09:49 PM   #101 
              - Only the ones...  reichstag911   Aug-21-07 09:57 PM   #103 
     - 48 man hours for 5 rooms is 9.6 man hours/room  The Vinyl Ripper   Aug-21-07 09:31 PM   #97 
        - So true! I remember from years ago when I was flying a plane for a construction company,  karlrschneider   Aug-21-07 09:47 PM   #100 
        - Figuring bids is very stressful..  The Vinyl Ripper   Aug-21-07 10:07 PM   #106 
           - Reminds me of a toon from years ago: Astronauts sitting atop a rocket...  karlrschneider   Aug-21-07 10:11 PM   #108 
        - Or you could skip the intermediate step...  reichstag911   Aug-21-07 09:51 PM   #102 
           - Ever heard of Trachtenberg math?  The Vinyl Ripper   Aug-21-07 10:14 PM   #109 
              - Actually, no, I never had,...  reichstag911   Aug-21-07 10:33 PM   #111 
                 - My dad spent time in India before WWII  The Vinyl Ripper   Aug-21-07 11:25 PM   #113 
  - Number 1:  lynyrd_skynyrd   Aug-21-07 07:31 PM   #38 
  - that's the answer in my book.  Emit   Aug-21-07 07:35 PM   #41 
     - This is an easy mechanical trick  lynyrd_skynyrd   Aug-21-07 07:49 PM   #58 
        - It's called "dimensional analysis" in math/physics/chemisty...  BlooInBloo   Aug-21-07 08:06 PM   #67 
        - Oh I see you beat me to it...was out feeding the doggies.  karlrschneider   Aug-21-07 08:19 PM   #72 
           - As long as somebody says it.  BlooInBloo   Aug-21-07 08:20 PM   #73 
        - A nice little exemplar of dimensional analysis.  karlrschneider   Aug-21-07 08:18 PM   #70 
  - Here ya go...  fiziwig   Aug-21-07 07:34 PM   #40 
  - You didn't cube the exponent in the Kr problem...  reichstag911   Aug-21-07 09:04 PM   #86 
  - Umm... I was a Communications Major...  MadMaddie   Aug-21-07 07:46 PM   #53 
  - Calling all plagiarists, calling all plagiarists. Do my kids homework! n/t  L. Coyote   Aug-21-07 08:21 PM   #74 
  - That's clearly NOT the case -- Emit here. n/t  Emit   Aug-21-07 08:24 PM   #75 
  - To avoid this kind of silliness, you may want to consider the lounge for this sort of thing...  BlooInBloo   Aug-21-07 08:28 PM   #78 
     - Yes, I considered posting in the lounge, but  Emit   Aug-21-07 08:42 PM   #81 
        - Some of us (I was, anyway) a little confused by your OP which at first glance  karlrschneider   Aug-21-07 09:10 PM   #87 
  - i know coyote  pitohui   Aug-21-07 10:03 PM   #105 
  - Number 2:  lynyrd_skynyrd   Aug-21-07 09:01 PM   #85 
  - thank you sooo much.  Emit   Aug-21-07 09:16 PM   #89 
  - If you lay it out as mutliplication of fractions...  lynyrd_skynyrd   Aug-21-07 09:26 PM   #94 
  - In case L_S doesn't see your question, that is to convert  karlrschneider   Aug-21-07 09:27 PM   #95 
  - Looks right...I didn't run the numbers but your methodology is right. Here's one for YOU  karlrschneider   Aug-21-07 09:18 PM   #91 
     - About one foot, 7 inches?  Canuckistanian   Aug-21-07 10:00 PM   #104 
        - 5 feet/ Pi to be precise. :D Units don't matter, I can convert  karlrschneider   Aug-21-07 10:07 PM   #107 
           - Pretty simple.  reichstag911   Aug-21-07 10:27 PM   #110 
  - Dimensional Analysis will set you free  fortyfeetunder   Aug-21-07 11:10 PM   #112 
  - Are you serious?  slutticus   Aug-22-07 01:03 AM   #114 
     - Deleted message  Name removed   Aug-22-07 01:05 AM   #115 
     - She is trying to learn, not cheat  MiniMe   Aug-22-07 02:36 AM   #116 
        - The point of problems like these....  slutticus   Aug-23-07 11:20 AM   #117 
 

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