Questions Asked on
August 21, 2006

physics
Identify the area of physics that is most relevant to each of the following situations. Explain your reasoning. a. a high school football game b. food preperation for the prom c. playing in the school band d. lightning in a thunderstorm e. wearing a pair
asked by Anonymous 
microeconomics
I am having a problem with one of my homework questions and would like some help if possible...here is the question.. According to an article in the New York Times (Nov. 5, 1993),"many Midwest wheat farmers oppose the NAFTA free trade agreement asmuch as
asked by Deana 
Math
A goblin miner earns 1 cent the first day, 2 cents the second day, 4 cents the third day, 8 cents the fourth day. How much will the miner earn in 30 days? OkI know to double the answer each time until 30which would be:5,368,709.12 Is there an equation
asked by Natalie 
Calculus
I need to find the exact solutions on the interval [0,2pi) for: 2sin^2(x/2)  3sin(x/2) + 1 = 0 I would start: (2sin(x/2)1)(sin(x/2)1) = 0 sin(x/2)=1/2 and sin(x/2)=1 what's next? Ok, what angle has a sin equal to say 1/2 sin (x/2)=1 arc sin (1) = x/2
asked by Jen 
Geometry
I need help on these two. Consider tirangles ABC and DEF. Side A is congruent to side F. Angle A is congruent to angle F. Angle B is congruent to angle E. What postulate or theorem can be used to prove that the two triangles are congruent? If angle1 and
asked by Amy 
speed of light
Can the speed of light be legislated? Explain your reasoning. As best as we know, the speed of light is a fundamental constant of the universe. I have no idea of the meaning "legislated". Someday they may pass laws and light will have to slow down. After
asked by Anonymous 
math
the total amount of interest on this loan of $6000 for 150 days is $210.50. what is the rate of interest on this loan? If not compounded, or simple interest, then Interest=Principal(rateinterest)*time Here time is 5/12 of a year, you are given the interest
asked by Haydee 
Angle question
Quadrilateral JKLM is a rhombus. If mangleLMK = 36, find mangleKJM In the right triangle ABC, mangleB = 90, AB = 5, and AC= 12. Find BC. Round to the nearest tenth, if necessary. Help? Is AB a side and AC a side? I can't tell from your description which
asked by Rachel 
Science
Two masses of 20 and 10 kg are moving in the same direction and one directly behind the other. The 20kg mass is behind and moving at 10m/s and the other is moving at 5m/s. The masses collide and after the collison, the 20kg mass moves at 6m/s find the
asked by Hannah 
Calculus
I need to find the exact solution to: 2sin2x = sqrt(x)on the interval (0,pi) This is how I started it, but I don't think it's correct. sin2x = sqrt(x)/2 2sinxcosx = sqrt(x)/2 sinxcosx = sqrt(x)/4 What do I need to do now? need to find the exact solution
asked by Jen 
Science
1.How is science & society related? i have no idea what the answer to this question is 2. What is a scientist's usual next step if data supports a hypothesis? can you tell me if i'm right?... i think that they either published or the experiment is
asked by Leslie 
making dot arrays
I have a question on math homework that asks : What do we call the numbers that cannot be arranged into 2row arrays? Ginner: I looked up contemporary numbers in several math dictionaries, and none of them listed that term. I looked at her paper  there is
asked by Ginner 
Geometry help please!
What is the length of a diagonal of a square with sides 16 ft long? Round to the nearest tenth. & The length of the hypotenuse of an usosceles right traingle is 30 meters. Find the area of the triangle. Round to the nearest tenth, if necessary. Any help?
asked by Maddy! 
algebra
State the property that is illustrated. 9(1)= 9 Is this closure for x or indentity for x or something else? Your exact answer is at the following site: http://www.321know.com/pro74bx2.htm
asked by anonymous 
Physics
On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? Net force= mass*acceleration Horizontal force frictionalforce =
asked by Tiff 
help!
Diversity in populations of organisms is chiefly the result of??? Diversity in populations is chiefly the result of differing genetics. Differing genotypes have differing rates of reproduction and survival due to environmetal selective factors that favor
asked by benji! 
Calculus
Please help me simplify this: y = x/(4sqrt(16+x)) Rationalize the denominator. Multiply by the conjugate, or (4+sqrt (16+x)) to the numerator, and the denominator. This should simplify it.
asked by Jen 
Math Symbols
Let "p" represent 'the area of rectangle ABCD is 50 square inches'. Let "q" represent 'the perimeter of rectangle ABCD is 30 inches'. Let "r" represent "the length of rectangle ABCD is twice the width" My question: use symbols to represent the collowing
asked by Kasey 
opinion
How can American companies make the workplace environment safe and efficient without treating employees like suspected criminals? It depends on what type of companies and what type of jobs you are considering. I don't know why making an environment "safe
asked by anonymous 
opinion
In your opinion, is having a job  any job better than having no job at all? I suppose this depends upon what you mean by "better." In my opinion, any job is better than no job at all. I have seen this first hand. No job at all, especially for extended
asked by anonymous 
Coriolis effect
Does anyone wish to discuss the Coriolis effect/force? Mike http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/crls.rxml The thing I find teasing about the coriolis effect is that the faster the wind or an object is travelling the greater the deflection. Take
asked by mike 
Math
What do we call the numbers that cannot be arranged into 2row arrays? The question begs for amplification. An array usually contains a set of some sort. There is not a hint in your question of what the set is. My math homework question asks  exactly as
asked by Ginner 
science
what the characteristics of all living things but explaining? GBRHT UKE5SHYKU3I7LNXKUGH Your question is unclear. However, I searched Google under the key words "life characteristics" to get these possible sources:
asked by gabriella 
science
Using Dimensional analysis, how do you set up a problem to find the density when given mass and volume? Suppose the mass of an object is 40 grams and the volume is 20 mL. Density has units of grams/mL. Then density = 40 g/20 mL = 2 g/mL. If this isn't
asked by Anne 
English
Complete the paragraph: I was walking happily in my favourite park, enjoying the weather, but suddenly...... It seems as if this assignment is designed to make you use your imagination — not to use our imagination. It is very much like the Rorschach ink
asked by Jazbia Siddiqui 
english check
Can some one please check and see if rewrote this sentences correct. Punctuation within Sentences—Colon 1. The book had some nice features, such as a hardbound cover, a ribbon for a bookmark and the author’s signature. 2. German grammar is simple: in
asked by Toni 
Science
What is science when it is applied? Science that is applied has several names: Applied Science Technology Engineering Construction
asked by Hunter 
opinion
Do you think having a job  any job is better than having no job at all? Why? double post?
asked by anonymous 
Math ?
I started a new math class today and I'm stuck on a problem from my worksheet. I need help with these questions. If the measure of an exterior angle drawn at vertex M of triangle LMN is x, then mangleL + mangleN is what? What is the area of a circle with
asked by Rebecca 
matter
What are the three properties of matter and how is matter measured? volume, weight, and mass the solid has a mass of 180g. what is the density of the solid What would the density be of a solid, if I had a mass of 180g?
asked by Glen 
social studies
who designed the Great seal of the virgin island Thank you for using the Jiskha Homework Help Forum. Here is information on the VIPD (Virgin Islands Police Department): The Great Seal of the VIPD Seal The Virgin Islands Police Department established an
asked by nekyma 
math
3x6 2x30 = 2x+12 ______  _______ _______ x3 3x9 x3 sx= (24) I have the anwser but I just cant figure out how to do it. I hava a huge exam in October yet this is not evan a quarter of what I have to learn. Im teaching myself I really suck at this if
asked by Michèle 
ETH
What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences These encyclopedia articles discuss the cultural experiences of Japanese and ChineseAmericans.
asked by Vet 
Science
HELP! I need to do a science project this year and have no clue what to do. The project has to follow the scientific method. Please give me some good ideas! I don't care what subject, as long as they're scientific. Thanks
asked by Margaret 
Math
What do we call the numbers that cannot be arranged into 2row arrays?
asked by Ginner 
System of equations
3x =2y = 17 2xy =9 and 3x+y = 3 x+2y = 4 How do I do these?? 22Z 6Y These are simultaneous equations. You have a typo in #1. For the second set, just multiply equation 1 by 2, then subtract equation 2 from equation 1 (which will eliminate y), then solve
asked by Gracie 
BIOLOGY (DNA)
Why does DNA have the consistancy of thick syrup or mucus? because of all of the different substances
asked by Patrick