physics( i have no idea how to go about gettign th
166,136 results, page 42

LA helppp
1)The most catastrophic natural disaster in the U.S was a Category 4, or extreme, hurricane that struck Galveston, Texas on September 8,1900. 2)A 15foot storm surge killed more than 8,000 people on the lowlying island. 3) In an effort to prevent a similar disaster in the ... 
SS
What is the basis for the the economic theory of mercantilism that drove the exploration and settlement of North America by Europeans? Mercantilism is rooted in the idea that a nation’s power stems from the authority of an absolute monarch. Mercantilism is based on the ... 
chemistry
I have no idea how to solve this problem, please help me out.... thanks a) A liter of a solution saturated at 25degree with calcium oxalate, CaC2O4, is evaporated to dryness, giving a 0.0061gm residue of CaC2O4. calculate the concentrations of the ions, and molar solubility ... 
Statistics
On a very short quiz, there is one multiple choice question with 5 possible choices (a, b, c, d, e) and one true or false question. Assume you are taking the quiz but do not have any idea what the correct answer is to either question. You mark an answer to each question anyway... 
Science
Hi, I have two questions about biology I need help with. 1) Some questions fall outside the realm of science, which of the following questions could not be answered using the scientific method? A)What is the function of the appendix in human beings? B) Why is it unethical to ... 
Language arts
I am trying to assist my fourth grader in writing her first book report. It is based off of a mystery book. I have looked everywhere for a basic guildline for her so that I can give her an idea of what to do without doing it for her.Can anyone please guide me so that I can ... 
8th Grade Algebra
You know how to solve quadratic equations using algebra, graphs and the quadratic formula. Sometimes one method of solving is more convenient than another method. Describe how you would solve each equation. Give reasons for you answers. A) 16x^2 = 1600 B) x^2  350 = 0 C) x^2... 
Chemistry
HELP PLEASE. I have no idea how to set this up. I tried using the q=mc(change in temp) equation but its not working out. A 59.8 g block of an unknown metal at 87.5 degrees Celsius was dropped into an insulated vesssel containing approximately 33 g of ice and 23 g of water at 0... 
physics
suppose a major league pitcher can throw a baseball at about 45 m/s (about 100mph). IF a baseball has a mass of .55kg. Suppose that the batter hits the ball straight back at the pitcher at 55 m/s. If the bat is in contact with the ball for only .055 second, what size force ... 
physics
can a uniform graph have a curve? or does it always have to be straight? 
Albebra
Find the vertex of the function y = –x2 + 2x + 8. It is where the derivative 2x + 2 = 0. Since you probably haven't learned about derivatives, do it this way: Rewrite is as x^2 +2x +8 = (x1)^2 + 7 Now look at the form of the formula on the right. It can never be greater ... 
Physics
A rock of mass m and a rock of mass 2m are both released from rest at the same height and fee no air resistance as they fall. Which statements about these rocks are true? (there may be more than one!) EXPLAIN HOW YOU KNOW THEY ARE TRUE AND EXPLAIN WHY THE OTHERS ARE WRONG!!!(a... 
Physics
A student wants to run an experiment to determine how the distribution of mass (location of mass) affects an object`s rotational velocity. For this experiment the student picks 3 rings. One is a wood ring (like a hulahoop) with all of its mass at the outer edge (A). The next ... 
bifurcated
As the heading indicates, I do indeed have two questions. Is there a way to find out more about the Roman Catholic Church's positions concerning issues along the continuum of sex/gender/sexuality/sexual orientation? Could somebody point me in the correct direction as to ... 
English
I have difficulty in finding examples of the following verbs followed by the ing form . 1) They always argued about letting her go out in the evening. 2) My child always complains about having to get up early in the morning. 3) The test consists of answering several questions... 
Chemistry
The Label on a one pint bottle of water lists the following components. If the density is the same as pure water and you drink 3 bottles of water in one day, how many milligrams of each component will you obtain? 1) calcium 29 ppm 2)fluoride .09 ppm 3)magnesium 12 ppm 4)... 
physics
What is the kinetic energy of a 19 kg dog that is running at a speed of 7.4 m/s (about 17 mi/h)? 
physics
What is the kinetic energy of a 26 kg dog that is running at a speed of 8.4 m/s (about 19 mi/h)? 
physics
why is earth bulged at the equator?will any one explain me about this? 
physics
What is the kinetic energy of a 20 kg dog that is running at a speed of 7.3 m/s (about 16 mi/h)? 
physics
What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)? 
physics
What is the kinetic energy of a 15 kg dog that is running at a speed of 8.9 m/s (about 20 mi/h)? 
physics
What is the speed of a satellite in a geosynchronous orbit about Earth? 
physics
What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)? 
physics
What is the kinetic energy of a 15 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)? 
rfvv
The dentist's is very busy, so we have to book the visit beforehand. You have to have your decayed tooth pulled out, but we have to wait for about one month? Can you wait? If you feel painful from time to time, let's go to the dentist's and if a doctor can spare time for you, ... 
Physics
A 190kg merrygoround in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merrygoround from rest to ... 
PHYSICS
A 190kg merrygoround in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merrygoround from rest to ... 
Physics
A 190kg merrygoround in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merrygoround from rest to ... 
Physics
Why do citizens have a responsibility to have some basic understanding of nature's rules? 
Math  Could Someone Check My Work?
Could someone check my work please? Thank you! (14a^2b)(2ab^2c) = 28a^3b^3c (a^25)^7 = a^125 6x^6 ∙ 6x^6 = 36^12 (2x^2)^3 = 8x^6 (2)0 = 1 30x^20/(6x^9 = 5x^11 4x^5 ∙ 6x^6 = 24x^11 (2x^4)^3 = 8x^12 4^2 = 16 (193)^0 = 1 (193)0 = 1 (5)2 = 25 ((6x^7)/(2x^2 ))^2... 
math, Please Helppp!!!!!!!! Lost paper!
I lost my paper for the Math Riddle Pizazz page 167 about solving systems of equations and I no longer have the problems. (It is the "did you hear about the farmer who fed his cows birdseed.." page) What are the math problems for it?!? 
PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #5: A roller coaster car starts at Point A at a height of 100 m. When it ... 
English (URGENT)
How many paragraphs does a literary review have? This is a writing assignment for Grade 12 English. I need to write literary review on an article I find on the internet. I have an identification paragraph that talks about the author's credentials. Then I have a paragraph that ... 
Stressed out!
I know this site is about homework help but I was wondering if you can kind of help me make a "decision" so I'm a freshman and I'm taking honors history this year. I'm so stressed out from taking notes every night and studying. I have a C in that class right now and I'm ... 
PLEASE HELP MEEE!!!!
A canoe in still water travels at a rate of 12 miles per hour. The current today is traveling at a rate of 2 miles per hour. If it took an extra hour to travel upstream, how far was the trip one way? about 33 about 35 about 37 about 39 
Pronoun Pratice
I have written a paragraph about credit cards using at least five different pronouns. Could you please look over it and let me know if you see any errors, if my pronoun use is correct and if the sentences are complete. If you have any input about how a sentence can be improved... 
Physics
I believe I've done this right A penguin sildes 1.5 m/s across the ice on her belly. The coefficient of kinetic friction is .02 How far will she slide before stopping? I do not need to see the work to this problem just need to know if I did it right. I got about 5.7 m I am ... 
Novel
I've been brainstorming about the idea that Guru gave about the novel and here's what I have of the summary so far. I can't think of an ending for it though like a conclusion or even how she finds out that it's the crow. help please! Credits to GuruBlue from Jiskha Summary: ... 
Inductive effects
Is there a good tutorial on inductive effects, especially as they relate to acids and bases as taught in Organic Chemistry? My book is lacking information on this. The teacher discussed this subject in class today and I think it may have to do with a previous question by Lindz... 
Finance 101
Given the recent drop in mortgage interest rates, you have decided to refinance your home. Exactly five years ago, you obtained a $150,000 30year mortgage with a fixed rate of 10%. Today, you can get a 30year loan for the currently outstanding loan balance at 7.5% interest. ... 
English
1. I have not broken my leg. 2. I have broken my leg. (result) 3. I have never broken my leg. #2 is result. What about #1 and #3? Are #1 and #3 result in the present perfect tense? Or are both 'experience'? 
Physics
Three identical balls, with masses M, 2M, and 3M are fastened to a massless rod of length L as shown. The rotational inertia about the left end of the rod is: That's the layout below. Would calculus be needed in this problem (intergration) because then Im in trouble. I know ... 
English Expression
Have you got your health checked? We have to go the hospital to get your medical certificate. after the 5 the period, let's go out. I'll write down in the official trip book. I have to enter the information in Neice, which is a program for the employee in our field. After that... 
Algebra
a round trip flight of 1037.5 miles takes 7 1/2 hours. The part of the flight with the wind takes 1 1/2 less than the other part of the trip. Find the speed of the plane in still air and the speed of the wind. I have no idea how to do, can u give me a lead on this? Some help? 
Algebra
a round trip flight of 1037.5 miles takes 7 1/2 hours. The part of the flight with the wind takes 1 1/2 less than the other part of the trip. Find the speed of the plane in still air and the speed of the wind I have no idea how to do this...a little bit help? A lead? 
Math
The following table shows the distribution of Army and Navy personnel who like football and Boxing. ARMY(A) NAVY(N) TOTAL Football(F) 30 8 38 Boxing(B) 55 7 62 TOTALS 85 15 100 Use the table to determine the following probabilities: a) P(A  F) b) P(F  A) c) P(N  B) d) P(B... 
Calculus
Sand falls from a conveyor belt onto a conical pile at a rate of 6ft/mi^3. The radius of the base is always equal to twothirds of the pile’s height. At what rate is the height of the pile changing when the radius of the base of the pile is 2 ft? I honestly have no idea how ... 
Math  Linear Approximation
a) Find a linear approximation of y=sinx at x=pi/6 b) use part (a) to approximate sin(61pi/360) and sin(59pi/360) I just really have no idea how to approach this problem. I know the formula is y=f(a)+f'(a)(xa). Does that mean it would be (sin(pi/6))+(0)((pi/6)(sin(pi/6))? ... 
English
1. Don't speak ill of/about others. 2. Don't speak badly of/about others. 3. Don't speak evil of/about others.  Are they all grammatical? Can we use both 'of' and 'about'? 
Physics 102
THIS IS A QUESTION IN MY PHYSICS BOOK & I REALLY REALLY NEED HELP. I AM 48YRS OF AGE JUST DECIDED TO GO BACK TO SCHOOL AND HONESTLY KNOW NOTHING ABOUT PHYSICS. Two facts: A freely falling object at Earth’s surface drops vertically 5 m in 1 s. Earth’s curvature “drops” ... 
apa
hello. i have a question about apa in text citation. i believe i have the reference page correct but i need to know how to put it in my paragraph. can someone please help. here it is: Effective Classroom Instruction. (2004). In Encyclopedia of Applied Psychology. Retrieved ... 
English
Hi! I am doing project on "What Factors Promote Psychological Well being in midlife"? I am confused and don't know where to start. What should I talk about to make it interesting topic that grabs the readers attention? Please give me ideas to start writing. Do I have to have ... 
Chemistry
For each electron in a groundstate Be atom, select the set of quantum numbers that represents it. Check all that apply. n=1 l=0 ml=1 ms= +1/2 n=1 l=0 ml=0 ms=1/2 n=2 l=1 ml=0 ms= 1/2 n=1 l=0 ml=0 ms=+1/2 n=2 l=1 ml=1 ms=+1/2 n=2 1=0 ml=0 ms=+1/2 n=2 l=0 ml=0 ms=1/2 n=2 l=... 
Chemistry
For each electron in a groundstate Be atom, select the set of quantum numbers that represents it. Check all that apply. n=1 l=0 ml=1 ms= +1/2 n=1 l=0 ml=0 ms=1/2 n=2 l=1 ml=0 ms= 1/2 n=1 l=0 ml=0 ms=+1/2 n=2 l=1 ml=1 ms=+1/2 n=2 1=0 ml=0 ms=+1/2 n=2 l=0 ml=0 ms=1/2 n=2 l=... 
Math
Write several sentences to describe what the words angle, acute angle, and complementary angles have in common. I can't figure out what they have in common. Please Help! Thank You How about the word, "angle"? I hope this helps. Thanks for asking. 
AP Government and Politics
Hi, I have a debate in class about taxes. I have to prepare arguments why we do not need taxes, and create closing paragraph providing ideas why taxes are wrong, unfair, illegal, unconstitutional. Any ideas? thank you 
English macbeth act 2
hey can you provide me with a couple of MCQ for macbeth act 2, and does anyone know the images and mood in each scene of act 2.. plz i need to know because i have a test and i have no clue about the things listed above thanks! 
History
The Renaissance was characterized by a. creating military alliances with China b. rising interest in Roman and Greek antiquity c. the idea that religion was the basis of existence d. broadening recognition of the insignificance of the human experience e. an attempt to marry ... 
Collisions
Suppose a bullet of mass m = 6.96 g is fired into a ballistic pendulum whose bob has a mass of M = 0.677 kg. (a) If the bob rises to a height of 0.141 m, what was the initial speed of the bullet? I got .042 km/s; but its wrong. (b) What was the speed of the bulletbob ... 
Business Communication
Will someone look over my answers and think this is okay? The assignment is and I'm suppose to find the strengths and weaknesses. I am a new publisher with some really great books to sell. I saw your announcement in Publishers Weekly about the bookseller's show you're having ... 
Geometry
1. Graph the quadrilateral with vertices C(9,4), D(4,8), E(2,6), and F(3,2). What specific shape is it? 2. Include the work with explanations of how you solved this. 3. List at least 2 other ways you could have proved this. You do not have to prove these additional ways, ... 
Physics
I have a physics problem and it's below. 
CHEMISTRY
1)If 36 mL of KMnO4 solution are required to oxidize 25 mL of 0.02932 M NaC204 solution, what is the concentration of the solution? 2)A Certain brand of iron supplement contains FeSO47H2O with miscellaneous binders and fillers. Suppose 22.93 mL of the KMn04 solution used in ... 
CHEMISTRY
1)If 36 mL of KMnO4 solution are required to oxidize 25 mL of 0.02932 M NaC204 solution, what is the concentration of the solution? 2)A Certain brand of iron supplement contains FeSO47H2O with miscellaneous binders and fillers. Suppose 22.93 mL of the KMn04 solution used in ... 
Physics
no idea all HELP appreciated!! A shotputter puts a shot (weight = 70.3 N) that leaves his hand at distance of 1.45 m above the ground. (a) Find the work done by the gravitation force when the shot has risen to a height of 2.15 m above the ground. Include the correct sign for ... 
algebra 2
I have a question about two problems that I am trying to solve for my h.s. trig. class. The first one I believe is correct. the other i am lost. D(p)= 200060p S(p)=460+94p p is the price in dollars a) find those values of p for which demand exceeds supply 200060P > 460 + ... 
MATH
Erika spent 5/6 hr on her computer visiting the history channel and the discovery channel websites. She spent 1/5 hr at the history channel website. How many hours did she spend at the discovery channel website? please help I have no idea where to begin 
science double check answers
1.Asteroids in our solar system are a)planets b)comet remains c)found in an asteroid belt** d)pieces of ice 2.Which of the following would not be found on the electromagnetic spectrum? A)The wavelengths of electromagnetic radiation B)The frequency of electromagnetic radiation ... 
L.A.Help!!!!!!
Why does the author organize"The Seasons Curmudgeon Sees the Light,"as she does? By Mary C. Curtis A. to contrast fall weddings and song with spring weddings and song. B. to contrast reading with gardening. C. to show her feelings about spring have changed. D. to compare what ... 
college
A lot of people don't have wills. Everyone needs a will, but not all people have one. Wills are important because they explain who gets your stuff after you. You don't want your things going to someone you don't want them to go to. My Aunt Martha went to a lawyer to get a will... 
Hello Jiskha
I must say, you have been one of the most helpful sites that I have been on. You don't lie to people about the answers. You help the people understand, So I would just like to show my gratitude. Thank you so much for your help, with out you guys, Open Study, wikianswers, and ... 
Physics
The four masses shown in the figure below are connected by massless, rigid rods. moicogproblemfig (a) Find the coordinates of the center of gravity of this object if MA = 120 g and MB = MC = MD = 180 g x = ? m y = ? m (b) Find the moment of inertia about an axis that passes... 
Physics
A large turntable rotates about a fixed vertical axis, making one revolution in 6.00 s. The moment of inertia of the turntable about this axis is 1200 kg * mg^2. A childe of mass 40.0 kg, initually staning at the center of the turntable, runs out along a radius. What is the ... 
Physics
A large turntable rotates about a fixed vertical axis, making one revolution in 6.00 s. The moment of inertia of the turntable about this axis is 1200 kg * mg^2. A childe of mass 40.0 kg, initually staning at the center of the turntable, runs out along a radius. What is the ... 
10th grade Math B
Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form? ... 
Social Studies
Which of the following supports the idea that the constitution was written with compromises. Smaller states would be represented equally in congress No system of checks and balances would be included in this new government Congress could not have complete power to regulate ... 
Math
Donald Trump purchased a large box of his own books for $55,000. He gave 25 of the books to other republican nominees and then sold the rest on an Internet website for $63,000, making a profit of $15 on each one. a) How many his books were in the box? b) What was the original ... 
help physics
If you have a pair of vernier callipers which have divisions of 0.05mm what would the absolute error be? 
Physics
Can a vector have a component equal to zero and still have a nonzero magnitude? Explain. 
Conceptual Physics
Why do citizens have a responsibility to have some basic understanding of nature's rules? 
English
I posted a question like this earlier but I forgot to add something. If I were to write an essay about the experiences of Jewish individuals or communities living under Nazi occupation during World War II, what could be some things I could add to it? I have to write about ... 
conclusions  check answer
Which of the following is a true statement about writing introductions of rough drafts? A. Do not worry about the central point of your essay; it will happen later on as you revise your paper. (MY ANSWER) B. Pay close attention to the correct spelling of your words. C. Make ... 
math
I have no idea how to do this either. plz help. thank you. A couple finances a house valued at $150,000. The monthly principal and interest payment has been determined to be $599.32. Taxes on the property are estimated to be $621 per year. Insurance on the property is ... 
math
Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = I honestly have no idea how to approach these problems. I wrote out the different equations: 75.94 = Q0a^7 and 91.89 = Q0a^9 but I don't know where ... 
Calculus
Consider the curve below. x = (cos(t))^2 y = cos(t) 0 ≤ t ≤ 6π (a) Find the distance traveled by a particle with position (x, y) as t varies in the given time interval. (b) What is the length of the curve? I have no idea on how to evaluate this integral. I ... 
math
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central starting position, and t is... 
math
I have no idea where to start! *A quick quiz consists of 3 multiple choice problems, each of which has 4 answers, only one of which is correct. If you make random guesses on all 3 problems, (a) What is the probability that all 3 of your answers are incorrect? (b) What is the ... 
English
I am going to write an article about a semifamous person. I won't be able to personally interview this person, so all of the information for my article will have to come from other sources. I realize that I will have to give credit to these sources with intext citations and ... 
Astronomy
OK I have no clue how to do this . Can you believe that it is about 360¤F on Neptune,about 357¤F on Uranus? BRRRR ! That's cold! What is the temperature outside today in your town? How much warmer is it in your town than on Neptune? How much warmer is it in your town than ... 
Math
An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the altitude of the plane, is from the southwest and has a velocity of 60 miles per hour. What is the true direction of the plane, and what is its speed woth ... 
English 1
my assignment "suppose the person to whom Montresor is telling his sstory has turned him over to the police. Montresors lawyer might argue that his client is insane. the prosecution will argue that montresor knew exactly what he was doing, even planned in advance. write a ... 
Math
if alpha and beta are the zeroes of the polynomial f(x)=x^23x2 , find a quadratic polynomial whose zeroes are 1/2(alpha)+beta and 1/2(beta)+alpha ? Please... i have no idea !! 
physics
I have 2 fill in the blanks that I need help with. 1) When electrons are forced away from a/an ___ plate, work is done. could the answer be positive? 2) Any pointed or angular surface of an object must have a/an ___ concentration of charge to establish equilibrium. I do not ... 
Language Arts
(1)The most catastrophic natural disaster in the United States was a category 4 or extreme, hurricane that struck Galveston, Texas, on September 8, 1900.(2) A 15foot storm surge killed more than 8,000 people on the lowlying island.(3) In a effort to prevent a similar ... 
Math
Information from a survey on 175 persons about the goods, services and prices of a supermarket is as follows: 110 persons complained about the prices 67 persons complained about the services 55 persons complained about the goods 20 persons complained about goods and prices ... 
English
What do you suppose McPhee means by “the influence of Ernest Hemingway evidently extended to the Pentagon”? This is the context this question is referring to: And inevitably we have come to Ernest Hemingway and the tip of the iceberg—or, how to fashion critical theory ... 
Science
1.Which of the following is a good study habit? A.maintaining a positive attitude ** B.waiting until the last minute to start on an assignment C.listening to the television while studying D.studying when you are tired 2. Your friend John complains about his poor grades. You go... 
English  Oedipus Rex
I have to find evidence to support which character I think it the most guilty for what happens to Oedipus. I was just wondering if anyone knows whether or not Sophocles is trying to point the finger at someone other than Oedipus, who I think is the most guilty. My reasons are ... 
Novel [repost]
I've been brainstorming about the idea that Guru gave about the novel and here's what I have of the summary so far. I can't think of an ending for it though like a conclusion or even how she finds out that it's the crow. help please! Credits to GuruBlue from Jiskha Summary: ...