Ap Definition and 690 Threads

I need help with some of these problems. Any kind of help will be most appreciated 1. Speed amplifier. In Fig. 10-3, block 1 of mass m1 slides along an x-axis on a frictionless floor with a speed of v1i = 2.80 m/s. Then it undergoes a one-dimensional elastic collision with stationary block 2...

I need help with some of these problems. Any kind of help will be most appreciated 1. Speed amplifier. In Fig. 10-3, block 1 of mass m1 slides along an x-axis on a frictionless floor with a speed of v1i = 2.80 m/s. Then it undergoes a one-dimensional elastic collision with stationary block 2...

Homework Statement A large tank, 25m in height and open at the top, is completely filled with saltwater (density 1025 kg/m^3). A small drain plug with a cross-sectional area of 4.0 X 10^-5 m^2 is located 5m from the bottom of the tank. The plug breaks loose from the tank, and water flows from...

A cylindrical tank containing water of density 1000 kg/m^3 is filled to a height of 0.70 m and placed on a stand. A hole of radius 0.0010 m in the bottom of the tank is opened. Water then flows through the hole and through an opening in the stand and is collected in a tray 0.30 m below the hole...

Homework Statement A shmoo is a hypothetical genetic organism. Suppose you learned that shmoos may have long, oval or round bodies and that matings of shmoos result in the following: long x oval produced 52 long and 48 oval long x round produced 99 oval oval x oval produced 24 long, 53...

A baseball has a mass of about 0.14 kg, and it is pitched towards home plate at a speed of about 46 m/s. If the bat exerts an average force of 8900 N for 2.1 ms, what is the final speed of the ball in m/s?

Homework Statement Let f be the function given by f(x) = (2x-5)/(x^2-4). a.Find the domain of f. b.Write an equation for each vertical and each horizontal asymptote for the graph of f. c.Find f'(x). d.Write an equation for the line tangent to the graph of f at the point (0,f(0)). The...

An incident ball A of mass 0.10 kg is sliding at 1.4 m/s on the horizontal tabletop of negligible friction show above. It makes a head on collision with a target ball B of mass 0.50 kg at rest at the edge of the table. As a result of the collision, the incident ball rebounds, sliding...

Homework Statement If xe^y + ycosx = 1 defines y as a function of x, find y(0) The Attempt at a Solution My problem is getting it into y= form. Since there is an e^y, I thought about taking a natural log, but that doesn't seem to be getting me anywhere. Help?

Homework Statement 1. Given the curve x² - xy + y² = 9 (a) Write a general expression for the slope of the curve (b) find the coordinates of the points on the curve where the tangents are vertical (c) at the point (0,3) find the rate of change in the slope of the curve with respect to x...

1. The problem statement: In the diagram (which I attached) a 50 kg square (2m on each side) is hung on a horizontal rod which is 3m long (of neglibible mass). A cable is attached to the end of rod and to a point on the wall 4m above the point where the hinged sign is. A. What is the...

Hello, I'm looking at the moment for past papers for the AP Physics B exam (apart from the ones in www.collegeboard.com). If any of you have anything to offer or know somebody please pm me. I need practice questions as I have not been doing great lately on the course. Thank you!

Hey, I have a worksheet due tomorrow for my chem class and it includes #9 from the 1997 FR AP Chem Test. I can't figure it out! Any help would be appreciated! Here goes: An experiment is to be performed to determine the mass percent of sulfate in an unknown soluble sulfate salt. The equiptment...

Does anybody have the old AP Physics C questions and solutions from the 1970's or 1980's to present? My teacher is giving us an midterm exam (mechanics) and said it would be helpful to study the past old tests. Also, if E&M is available, I wouldn't mind having that either, it wouldn't hurt to...

Homework Statement A stick of length 2L and negligible mass has a point mass m affixed to each end. The stick is arranged so that it pivots in a horizontal plane about a frictionless vertical axis through its center. A spring of force constant k is connected to one of the masses. The system...

[SOLVED] Chem Lab Help! My AP chem class did an experiment where we started with 0.500 grams of copper and we ended up with 0.525 grams of copper after the experiment. The experiment consisted of us sending copper through different reactions to observe the effects of a series of reactions on...

I have been working for over 6 hours trying to break these problems down (my first calc problems!), but I cannot get any major breakthroughs. I have made minor strides in each but have hit a wall. If any of you can offer explanations, work, anything, I would be eternally grateful! #1 Let h(x)...

I'm in AP Chemistry and I'd like to do an extra credit project for this marking period. My teacher welcomes all varieties of extra credit, from posters to videos to research papers to pictures of chemistry in the world, etc. Does anyone have any suggestions for a solid extra credit project...

A uniform steel beam of length 5.50 m has a weight of 4.50 103 N. One end of the beam is bolted to a vertical wall. The beam is held in a horizontal position by a cable attached between the other end of the beam and a point on the wall. The cable makes an angle of 25.0° above the horizontal. A...

Hey guys. These are the first AP Problems I'm doing. Here is all my work. Let f be the function given by f(x) = x^{3}-7x+6. a. Find the zeros of f. b. Write an equation of the line tangent to the graph of f at x = -1 c. Find the number c that satisfies the Mean Value Theorem for f on the...

Homework Statement Water is drained from a conical tank with height 12ft and diameter 8ft into a cylindrical tank that has a base with area 400Π square feet. the deep, h, in feet, of the water in the conical tank is changing at the rate of 12 ft/min a. write an expression for the volume...

I'm not in the class, but a friend of mine asked me to help him with this problem, and I just can't figure it out! It seems like it's simple, but whenever I try to do it, I can't find a solution: Problem statement A field goal kicker is 50m away from the 3.4m high goal post. If he kicks it...

AP Calculus help! Homework Statement consider y^2=2+xy a. show that dy/dx = y/2y-x b. find all pints (x,y) on the curve where the line tangent to the curve has slope 1/2 c. show that there are no points (x,y) on the curve where the line tangent to the curve is horizontal d. Let x and y be...

Is anyone here able to help me or point me in the right direction? Iron ores often involve a mixture of oxides and contain both Fe 2+ and Fe 3+ ions. Such an ore may be analyzed for its iron content by dissolving it in an acidic solution, reducing all of the iron to Fe 2+ ions and then...

Hi, i need help with my high school ap physics class. I'm using the college physics fifth edition book. Also are there any guides that can help me with the class with that book as the guideline. thanks

I'm new here, so sorry if I post this incorrectly! =/ I've scanned the lab, and the pictures are below. Homework Statement Well, the problem statement is in the picture, I guess... and our givens are that change in X is .35 meters, change in Y is -.91 meters...

Hi, I'm studying AP Physics B (Algebra Based) on my own, and I have a calculus based book: Physics for Scientists and Engineers by Serway and Jewett. I haven't taken calculus yet, and I don't want to spend $100 on another textbook (I got this one from a friend). Does AP Physics C...

I have just started AP Chemistry this year as a junior at my high school despite all peer protests against it. And I admit so far the course has lived up to it's reputation of being very difficult. I was rather ecstatic to come across this site where I may obtain the help I /know/ I will need...

I just entered my senior year in high school. I wanted to take AP Calculus BC and AP Physics C: Mechanics and AP Physics C: Electricity and Magnetism. But the school requires that there should be at least 3 students for an AP; only then will they give classes. Unfortunately, I am the only one...

Homework Statement This was on the 1982 AP Physics C E&M Free Response Homework Equations Electric flux through a closed surface = (Charge enclosed)/epsilon_0 The Attempt at a Solution This is the official solution given: I believe, however, that the electric flux must be undefined...

Homework Statement In the interior of a sphere is a charge -q. On the surface of the sphere are two charges, each q, as shown in this figure: Homework Equations Electric Flux through a Closed Surface=(Charge Enclosed)/Epsilon_0 The Attempt at a Solution This was a question in the 1982...

I see people say they get 5's on their AP classes their senior year. The exam for the class is at the end of the year and you apply for college in the fall. How do colleges know what you take your senior year and what you got, if the school year isn't over. Do they just ignore the last...

I haven't posted here in a while, and it feels good to be back. Here's my dilemma. I have taught AP Mechanics and Electricity & Magnetism at a private school for a few years now. My background is not in Physics, however, and therefore I have not taken some of the standard courses that a...

Is self-studying for AP Chemistry even possible?? I'm planning on taking Chemistry honors and they teach AP Chem material. However the teacher doesn't teach so I basically need to self-study for the hard tests, labs, and quizzes he gives frequently. Is it possible to spend only an hour each day...

What are the best Text/Review books for: Chemistry Honors, AP Calculus, AP Bio, AP Enviornmental Science?? I'm looking for good textbooks that are easy to comprehend and gives you a lot of practice and allows you to think a lot. Likewise, I would like simplistic review books that go right to...

AP Computer Science A VS. Chemistry Honors<-- highest level chem course Which class should I take Junior year? Which do you think will be the most beneficial for someone who is planning to apply to top UCs and Stanford (engineering/science major). Here are the pros and cons that I think...

I'm planning on taking 3 of the following science courses next year: Chemistry Honors (Highest Chem course at our school) AP Biology AP Enivronmental Science This year, I'm taking AP Physics B and I have A's for both semesters. I also have some other choices- AP Stats, AP Music Theory...

Homework Statement My questions pertain to #4b of the free response. Question: Excess nitric acid is added to solid calcium carbonate. The question asks to predict a balanced equation for this reaction. The Attempt at a Solution what I wrote down was: H+ + CO3 ----> H2O...

I took the Calculus AB AP test, and there were a total of 6 open-ended problems. Most of them I knew exactly how to do, but there was one in particular that gave me some real problems. We haven't done much on function composition, so maybe that's why I couldn't do it (but I have the feeling...

Homework Statement I'm doing #5 in this Ap Chemistry 2006 Form A Free Response Questions. Here's the link http://www.collegeboard.com/prod_downloads/student/testing/ap/chemistry/_ap06_frq_chemistry.pdf Homework Equations N/A The Attempt at a Solution I think i got the first 3...

I have a couple questions that I've been wanting to ask. I'm a Grade 10 student at a High School in Canada. Alberta, specifically. 1) My school does not offer the IB program (the Canadian equivalent to the AP program). Therefore, I have decided that I am going to take an online AP Physics...

Homework Statement t 0 10 20 30 40 50 60 70 80 v(t) 5 14 22 29 35 40 44 47 49 This problem is from a previous Calculus AP test. I have completed parts (a) and (c), but (b) is giving me trouble, so I will leave...

What is the best prep book (hardest) for AP calculus exam? Is it Princeton Review or Barron's? Are there better books?

Hi, I'm taking AP Chemistry right now and will be taking the Ap Chem Test on May 15. Recently I've found some Ap chemistry free response questions from 2002 to 2006 on [PLAIN]www.Collegeboard.com;[/URL] however they don't have the answer keys to those questions and I'm just clueless on most of...

Homework Statement A ball of mass M is thrown vertically upward with an initial speed Vo. It experiences a force of air resistance given by F=-kv, where k is a positive constant. The positive direction for all vector quantities is upward. Express all algebraic answers in terms of M, k, and...

I used this forum to get a lot of help with the first problem on my quarterly, but there are still 2 more problems and nobody in my class knows how to do them. I was hoping somebody here would. Here are the problems 1. A particle of mass m moves in a conservative force field described by...

So I get this problem in my Barron's book: "With capital fixed at one unit with 1,2,3 units of labor added in equal successive units, production of the output increases from 300 (1 unit) to 350 (2 units) to 375 (3 units). Which is the correct interpretation? Answer is: This is a long run...

Homework Statement Homework Equations The Attempt at a Solution

i have about 6 weeks to study, so, what should do? what prep books would you guys reccomend? how much time should i spend prepping everyday?

I need to study for the AP Physics C Mechanics Exam. Does anyone have the past exams for AP Physics C Mechanics starting from 1977 and their solutions? Please send them to [Email address removed by moderator] Thanks!