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  • An open vertical tube is filled with water and a tuning fork vibrates over the top near the open end.?

    An open vertical tube is filled with water and a tuning fork vibrates over the top near the open end. As the water level is lowered in the tube, the first resonance is heard when the water level is at L from the top of the tube.

    As we continue to lower the water level in the tube, the second f1 and the third f2 resonances are heard when the heights h1 and h2 of the air column in the tube have what value?

    a. h1 = 2L and h2 = 7L/2

    b. h1 = 3L and h2 = 5L

    c. h1 = 2L and h2 = 3L

    d. h1 = 5L/2 and h2 = 3L

    e. h1 = 2L and h2 = 5L

    f. h1 = 3L and h2 = 4L

    g. h1 = 3L and h2 = 5L/2

    h. h1 = 5L/2 and h2 = 7L/2

    i. h1 = 2L and h2 = 5L/2

    j. h1 = 2L and h2 = 3L/2

    An explanation on how you got the answer would be great. Thank you!

    2 AnswersPhysics10 years ago
  • Marginal revenue is...?

    a) revenue earned by purchasing stock on credit

    b) revenue on which a seller is not dependent for survival

    c) the additional monetary receipts that result from a decision

    3 AnswersEconomics1 decade ago
  • How can I solve this?

    I need to solve

    5x + 6 = 2

    3 AnswersMathematics1 decade ago
  • Anyone currently taking calculus courses...

    that would like to become a contact and possibly help each other with problems. I'm willing to help out others with working through problems that I can provide answers to via scanner if that would be alright. I basically just want to help other people out while brushing up on some math. I'm going to be a sophomore this year majoring in Optical Engineering, so I will probably be capable enough to help out with some math. Thanks.

    1 AnswerMathematics1 decade ago
  • Why can't I log in to Yahoo Messenger?

    I recently installed Beta 9.0 version of Yahoo messenger. When I was downloading, I was still logged on to my account on messenger. Halfway through downloading, my yahoo messenger program closed and then I was prompted to install the newer version. I did this and have it running fine with other account names but I can't log in to the one I was using at the time of installation. I think it has something to do with not logging off and closing the program before downloading and installing the new version.

    When I try logging in messeger, it's just stuck on signing in screen. I already restarted my computer, therefore I'm not sure how to fix this problem because I want to be able to log on to messenger. It works fine for e-mail and other yahoo services.

    3 AnswersPassword and Sign In1 decade ago
  • Should I play Age of Conan after quitting WoW?

    I got hit by the huge ban wave of botters on 05/20/08. I heard about 30% of WoW players were banned and even some innocent accounts were taken. I'm annoyed at Blizzard even though I was guilty of botting. Anyways, I'm looking to play a new game and was wondering how it is?

    3 AnswersVideo & Online Games1 decade ago
  • Is naturally flavored sparking water healthy to drink?

    I workout about 5 times a week with lifting and cardio mixed in. I was curious if drinking flavored water would have negative effects to cutting down on my body fat %. The nutrition label says...Calories 0 Fat 0 Sodium 0 Carbs 0 Sugars 0 Protein 0. Therefore it seems quite similar to regular water. The ingredients are carbonated water, natural flavor, citric acid, malic acid, potasssium benzoate, aspartame, potasssium citrate, and acesulfame potassium. Hopefully this isn't as bad as drinking soda, which I don't drink any of.

    3 AnswersOther - Food & Drink1 decade ago
  • Should I drink whey protein at night if I missed drinking it after my workout during the day?

    I did some running on the track and lifting today. I didn't have any protein shake after doing so, therefore I was wondering if it's worth it to drink it tonight or just skip the shake for today?

    7 AnswersDiet & Fitness1 decade ago
  • Are there any major U.S. cigarette brands with factories overseas?

    It would also be helpful to know what are the most popular cigarette brands smoked in the U.S. I'm doing a presentation on the movie Thank You For Smoking, so I wanted to add some factual cigarette info.

    4 AnswersCorporations1 decade ago
  • How long can I leave my XPS 600 running?

    I just replaced my motherboard on my XPS 600 since the old one didn't work anymore. I have no idea how it got damaged since I don't remember much power shortages or anything occur. I do game quite a lot on the computer and would leave it on for 20 hours sometimes on games such as World of Warcraft. Is the reason the motherboard stopped working because of the long hours in use? I know all my fans are working properly, so it wasn't an overheating issue. Therefore, I'm just thinking the motherboard getting damaged was just a fluke. Anyone have opinions?

    2 AnswersDesktops1 decade ago
  • What ab exercises should I do to become more defined? (Pic of self included)?

    I'm 19 years old. I'm also 5'10" and weight 180 lbs. I have been lifting weights, doing cardio, and ab exercises for 3 weeks. I would just like to know what I can do to make my ab muscles bigger and more defined. There is still some body fat I need to burn, although it hasn't been going too bad so far. Here are some pics of my progress with it...

    http://www.flickr.com/photos/25094857@N02/24433205...

    http://www.flickr.com/photos/25094857@N02/24441488...

    2 AnswersDiet & Fitness1 decade ago
  • How much more cardio should I do to get six pack?

    I turned 19 this month and started working out seriously 3 weeks ago. I'm 5'10" and weigh 179 as of today. I've gained about 5-8 pounds since I started. I do cardio and lift weights, just trying to get more defined and have a six pack. I don't really base my workouts on anything other than my own judgement on what will get me to my goals. So far this is where I've gotten doing things such as eating well, protein intake, and regular exercise...

    http://www.flickr.com/photos/25094857@N02/24433205...

    http://www.flickr.com/photos/25094857@N02/24441488...

    If anyone has an input on what I should do to achieve my physical fitness goals, it would be appreciated. I was also curious as to how much body fat % it looks like I have. Additionally, my friends don't seen to comment on any difference they see on my fitness progress. Just curious if I really look like a slob still lol. Although I do know that I still have more fat to burn on my stomach.

    2 AnswersDiet & Fitness1 decade ago
  • Is it possible to receive a Federal Stafford Loan for summer session?

    I was eligible for the Federal Stafford Subsidized Loan for the 2007-2008 year, although I didn't apply for it since I had all my expenses covered. Although I now need the money for a summer term that I need to take in order to not get behind on my curriculum. Since some of the courses are only offered in the Fall, I may be out of luck if I don't get the courses completed during this summer before next semester starts. Therefore, I would really prefer to get this loan since I won't be charged interest and I plan to pay it back next summer anyway. So am I still able to get the loan for summer term which is approaching soon, or am I going to be behind about 1-2 semesters?

    I know I should contact the financial aid office at my school, although I have to wait until Monday to do that. Just needed some input from people that hopefully have experience with this. Thanks!

    2 AnswersFinancial Aid1 decade ago
  • Why do women claim protection as a factor of being attractive to tall men?

    I've read many posts concerning that topic, so it made me curious. I'm 19 and only 5'10" so I find girls close to my height or taller quite often around campus. The protection thing doesn't make sense to me because height won't necessarily win a fight or some other scenario where protection is needed. Given there are some advantages, I'm positive that some average height guys could wipe the floor with taller guys. Of course there are different factors that come to play which give them a physical edge such as any type of combat training, weight lifting, etc. It doesn't seem like a good claim to make for a reason to prefer tall guys. Sure, women can have other reasons for it that are legit, although the protection claim isn't too viable in my opinion.

    5 AnswersSingles & Dating1 decade ago
  • How much fat and calories do I need to consume for a six pack? (Pic included)?

    I'm about 5'10" and weigh 181 lbs. I have been lifting weights, running, and doing ab exercises for 2 weeks. I usually eat chicken, seafood, black beans, some rice, potatoes, and drink a protein shake once a day. I never really count my calories or fat that I've consumed, although I know it's a healthy amount. I do still feel hungry at times during the night. I don't have enough time/breaks to eat 6 meals a day, so I only eat breakfast, lunch, and dinner. I also bought some Cliff Bars which I'll eat after workouts. My protein intake isnt 181g, probably falls quite short of that daily, although I'm uncertain how to get that much protein without eating a considerable amount of fat and calories. I just want a six pack and need a diet that will help me get there along with my routine exercise 4-5 times a week. I also know about the 10-12% body fat for ripped abs.

    Here are pics of myself to show my progress.

    http://www.flickr.com/photos/25094857@N02/24374084...

    http://www.flickr.com/photos/25094857@N02/24374084...

    3 AnswersDiet & Fitness1 decade ago
  • How much fat and calories should I consume for a six pack?

    I'm about 5'10" and weigh 181 lbs. I have been lifting weights, running, and doing ab exercises for 2 weeks. I usually eat chicken, seafood, black beans, some rice, potatoes, and drink a protein shake once a day. I never really count my calories or fat that I've consumed, although I know it's a healthy amount. I do still feel hungry at times during the night. I don't have enough time/breaks to eat 6 meals a day, so I only eat breakfast, lunch, and dinner. I also bought some Cliff Bars which I'll eat after workouts. My protein intake isnt 181g, probably falls quite short of that daily, although I'm uncertain how to get that much protein without eating a considerable amount of fat and calories. I just want a six pack and need a diet that will help me get there along with my routine exercise 4-5 times a week. I also know about the 10-12% body fat for ripped abs.

    Here are some pictures of myself to show my progress.

    http://www.flickr.com/photos/25094857@N02/24374084...

    http://www.flickr.com/photos/25094857@N02/24374084...

    2 AnswersDiet & Fitness1 decade ago
  • How much body fat does it look like I have?

    I am trying to work up to a six pack. I'm about 5'10" and 180 lbs. I've read I need around 10% body fat for it to be well defined, so I was wondering around what ballpark figure is my body fat at according to my picture. Since it isn't a full body picture it might be a bit off. Just curious to see what experienced gym trainers and such can tell me with the info provided.

    I've just started my work out routine 2 weeks ago and I'll keep going strong with lifting, cardio, and abdominal workouts.

    Thanks.

    http://www.flickr.com/photos/25094857@N02/24276063...

    5 AnswersDiet & Fitness1 decade ago
  • Would like opinion on my physical attractiveness from females mainly please!?

    First off, I apologize for the crappy quality webcam pics. I would just like to know how attractive I stand in the physical aspect. I am moderately shy towards girls at times and have looked back on certain occasions that I failed to approach a girl for silly fear of getting rejected. Anyways, I'm still trying to highlight my physique by lifting weights and running regularly so perhaps I have a chance to improve my appearence still. Thanks for your time and opinions!

    I'm 18 btw.

    http://www.flickr.com/photos/25094857@N02/

    2 AnswersSingles & Dating1 decade ago
  • Why am I gaining weight even when working out?

    I just turned 19 a week ago and I'm 5'10 or 5'11". Around the end of last year I weighed about 160-165. I started lifting weights and exercising seriously about 2 weeks ago. Now I weigh about 183 last time I checked. I regularly run on the track and do upper/lower body workouts. I've also been consuming much more whey protein to build muscle and have been eating healthy. I already had a large and well formed pectoral muscles before starting lifting again. I notice an increase in strength, although I don't notice such a dramatic increase in muscle mass other than being more defined. I never eat junk food anymore like chocolate, ice cream, candy, pizza, etc. Sometimes I only have time to eat one real meal in the evening and a light breakfast. Therefore, I don't see how my diet would be increasing my weight. Apart from lifting weights and running, I do abdominal workouts almost daily to hopefully get a six pack one day. I'm not that close yet, but I notice my top ab muscles when flexed.

    3 AnswersDiet & Fitness1 decade ago