ok there is a picture that goes along with it, i will try and draw it in as best i can.
We've got a 12 volt battery. a 4 ohm resistor is in series with this big thing I am going to describe next. A two ohm and 1 ohm resistor that are in series are in parallel with a 5 ohm and 1 ohm resistor...
Hi all. Any help on these annoying questions will be much appreciated!
1) The second term of an AP is 4.5 and the tenth term is -7.5. Find the sum of the first ten terms.
2) For the series √2 + 1 + 1/√2 + ...
a) Find the sum to ten terms of the series
b) what is the difference between...
has anyone used these books for supplements? I'm looking preferably at college physics and calculus. I want less theory and more problem solving, do these books help?
Building a car in AP Physics, Need Suggestions!
Homework Statement
Hello, I am in need of suggestions on a project that was recently assigned to my AP Physics class. The challenge was to make a "Tank" (any vehicle) that will go down a ramp, shoot a projectile over a 1.5ft wall, and go back up...
Homework Statement
teacherweb.com/CT/TrumbullHS/.../APOralFinalQuestions1-10.doc for pic.
The magnitude of the magnetic field in teslas at a distance d from a long straight wire carrying a current I is given by the relation B = 2 X 10-7 I/d. The two long straight wires shown above are...
Hi, I'm a junior in high school (aerospace engineering major), and we're set to register for next year in a few days. Due to schedule constraints (high school graduation requirements... just PE and Economics) I'm stuck between Physics AP and Cal Poly's PLTW Engineering Principles course. I've...
Has anyone here taken the College Board AP Physics exam? I'm currently taking AP Physics online and hate it (more because it's online than the difficulty of the content, though, I think). I'd like the college credit, but it can hurt if I do poorly, too, and I'm not sure how well I'll be...
I've recently started thinking about which exam I want to take for AP Calculus, and I'm wondering from those of you who have taken it or know details - is the AB or BC exam recommended? I've taken all of the AB and BC material, but I'm not sure if I can handle that quantity of material or want...
Hello, I have an AP Calculus midterm tomorrow and was wondering if anyone had any tips or tricks to help me succeed. The course material covers finding derivatives of any single-variable function, applying them in optimization and related rates, integral approximation, finding the integral by...
Hi i have the 2004 ap physics c multiple choice exam but I do not have the answers for the mechanics section. I would be willing to trade a lot of exams just for the answers to the mechanics section.
thank you
2008 AP Physics B Free Response MISTAKE?
Homework Statement
Question number two can be found here...
http://apcentral.collegeboard.com/apc/public/repository/ap08_physics_b_frq.pdf
Homework Equations
The Attempt at a Solution
Ok I was working out question number two and was...
These were the only questions out of the 110 question study guide that I didn't understand, I have no clue how to do them since it's been a while since I've done stuff from early chapters. I would love it if anyone can help me and give me a step-by-step! Thank you in advance!
Fe2O3 + 3CO -->...
A standing wave pattern is created on a guitar string as a person tunes the guitar by changing the tension in the string. Which of the following properties of the waves on the string will change as a result of adjusting only the tension in the string?
1) Speed of the traveling wave that...
Homework Statement
well this is just a over all question. I am currently taking the AP b and recently i did this lab on collision. there were 3 collisions, a) one stationary while another one hits it b) both masses crash into each other c) both has velocity but one has higher velocity to...
I am a junior in high school. This year I am in the advanced trig/pre-calc course. Next year seniors who still want to participate in an advanced math course can choose to enroll in AP Calculus AB,BC. This is the normal order math classes are taken. Now I wanted to take calculus courses at a...
I need some recommendations for the *best* ap guide. I know princeton review is very popular, but some say is very simplistic and only covers basic materials. I also heard Barron's is pretty good at covering the material in depth. I really don't know much about McGraw Hill's 5 steps to a 5. I ap...
1. The 1.0-m-long nonuniform plank has weight 1000 N. It is supported by two rods, A and B, as shown above. The center of mass of the plank is 30 cm from the right edge. Each support bears half the weight of the plank. If support B is 10 cm from the right-hand edge, how far from the left-hand...
After excelling at honors physics 1 at my high school my 10th grade year i was recommended for the AP physics class which was just introduced to school aimed at seniors. I love science, mathematics and how the world and things work which is why i signed on, however the class is very demanding...
Hello guys.
I remember some basic projectiles problems from Honors Physics last year, but I have a feeling they don't involve some of the same complicated concepts of projectiles problems that appear on the AP exam.
This Friday my teacher is going to give the class a single question from I...
Homework Statement
Assume you are driving at the speed limit Vo. As you approach an intersection 22m wide, you see the light turn yellow. During your reaction time of .6s, you travel at a constant speed as you recognize the warning, decide whether to stop or to go through the intersection...
Homework Statement
two 10-kilogram boxes are connected by a massless string that passes over a massless frictionless pulley. The boxes remain at rest with the one on the right hanging vertically and the one on the left 2.0 meters from the bottom of an inclined plane that makes an angle of 60°...
Homework Statement
1) Given f(x)= .01x³ + .7x -2 . Approximate ƒ−1(3).
2)Given f(x) = (x³) / (x²+1) and g(x) = ƒ–1(x). Evaluate g'(2)
The Attempt at a Solution
1) Would this be correct? 3=.01x^3 + .7x -2
But then, how would I find x at 3?
2) I am confused about going...
So basically when I took Biology G/T Freshman year of High School, I never listened in class or did the homework since my life was absorbed by video games (ending with a C average in class, almost a D). Now, as a senior, I am taking Biology AP however I really want to turn over a new leaf (and...
1. A uniform solid sphere of radius r starts from rest at a height h and rolls without slipping along the loop-the-loop track of radius R as shown.
a) What is the smallest value of h for which the sphere will not leave the track at the top of the loop?
Attempt:
Homework Equations...
A worker pushed a 27 kg block 7.8 m along a level floor at constant speed with a force directed 33° below the horizontal.
(a) If the coefficient of kinetic friction is 0.20, how much work was done by the worker's force?
(b) How much energy was dissipated by the frictional force?
please i really...
I'm currently a high school senior. I self-studied for AP Chemistry (using Zumdahl) in 10th grade and would like to continue studying chemistry this year. My question is: what textbook should I use?
In AP Physics last year, teacher simply gave us a whole bunch of formulas to memorize. I went...
Hello all!
This year i have signed up for Physics B AP, it is an algebra based physics class that deals with E&M. I have been very inspired by this class, it is very interesting and intriguing, but i am horrible at the subject. I average 40% on tests/quizzes, when the class averages around...
I am self-studying ap calculus bc. I need someone to recommand me a good prep book. I will also get a tutor.
If possible also give me a link with good worksheets and solutions.
please give me the link of the picture of the prep book you recommand
I hear PR and Barron are pretty bad.
As you all have seen, I am completely lost, but within the last two hours of being a member, I now know how to add and subtract vectors. Anyway!
I made the image, because there is a diagram, and I have some clue as in what to do. My head is still spinning from the 40 vector addition/subtraction...
Homework Statement
So in my school, the three AP science concentrations (Bio, Chem and Physics) are teaming together in groups to answer a question about water and it's relationship to life. So our team is doing this question: By changing the ratio between distilled water and the pollutant...
I'm currently a senior in HS, and I've gotten a 5 on the Physics B AP exam and hope to get a 5 on the Physics C AP exam (mech and electro).
I asked my teacher what I should do (I'm going to University of Texas at Austin; ME major) about the credits.
Some posters here at this forum have...
Homework Statement
First, this is not an assignment, per se, it is for my own help, and If someone could help me work it through that would be much appreciated.
An object of mass 1 Kg is launched at an angle of 42° from the horizontal at 180 m/s. A force of drag acts on it that is dependant...
Where can I find some old (2000 - 2008 ) AP Physics C Mechanics exams, preferably with solutions?
I'm looking for both multiple choice and free response.
Any help would be much appreciated,
Robert
Homework Statement
A 2-kilogram block slides down a 30 degree incline as shown above with an acceleration of 2 meters per second squared. The magnitude of the frictional force along the plane in most nearly:
Then some multiple choice answers.
Homework Equations
F=ma
The Attempt at...
Alright so I just wrote an AP physics test and one of the true or false questions was:
A horse pulls a cart and the cart pulls back on the horse with the same force. Does the cart move? (the cart starts at rest)
I said false because in order for an object to move it needs a net force but...
Homework Statement
If y = f(u) and u = g(x), where f and g possesses third derivatives, find a formula for similar to the one below:
Homework Equations
The Attempt at a Solution
Ok, so I am basically completely lost on this one... because I came up with a solution for...
Homework Statement
A block of mass m hangs on the end of a cord and is connected to a block of mass M by a pulley arrangement. (m hangs freely, M is attached to the string, and is on a table top. (So m is attached to a string which goes therough a pulley changing the strings direction 90...
Homework Statement
Let f be the function given by f(x)= (x-1)(x²-4)/ (x²-a). For What Positive Values of a is f continuous for all real numbers x?
Homework Equations
The Attempt at a Solution
What I tried doing was separating the (x²-4) into (x+2)(x-2) then moving along from...
we are only doing mechanics the whole year, and my teacher sucks. He doesn't teach us, I have the book University Physics 9th Edition. The book is literally horrible. we started class a week ago and I'm trying so hard with no results. We are on vectors which I find very complicated. How can I...
I am a junior in high school with a 4.1 GPA. I am seriously considering either paleontology or some kind of biology as a major in college. I have read that as a future science major, I should take as many science courses as possible in high school.
I know I will need to use chemistry in...
I know this is somewhat of a trivial thing, but...
I've been stuck on deciding whether or not to drop my AP English class. I'm a junior in high school. My GPA is 3.75 overall or 3.70 academic/Calgrant. I'm not exactly sure of my major, but I'm planning on Engineering, if not, something in the...
Hi everybody,
I had 2 HW questions that I didn't get for my physics class, and I would really appreciated if you could explain them to me. They're pretty simple, I think, but the way they're worded makes it difficult to picture.
1) Two trains, each having a speed of 30 km/hr, are headed...
Currently I am enrolled in a regular physics class because their was only one AP Physics B class period and it affected my Latin II course. So I took Physics at a votech where I am also taking an engineering class.
My question to all you physics pros is do you think I could self study and...
Homework Statement
A soccer player kicks a ball at an angle of 42 degrees to the horizontal. The ball leaves his foot with a velocity of 18m/s. The player that receives this ball is standing 46m from the kicker. How fast does the reciever need to receive the ball befor eit hit's the ground...
I just discovered that this year I am going to be teaching AP Physics C (the one with calculus) - just the mechanics curriculum. And the school does NOT have any textbooks for the students yet. So I was just asked to make a textbook recommendation.
In the past I have taught AP Physics B...
Hi!
I believe that I have asked a question to this similar before but I was unable to find it.
I am going into my senior year of high school and I have the choice to take AP Physics B or C. I am currently signed up to take AP C, but I have been wondering lately if that's the best choice since...
Hello everyone,
I got my AP scores today and I won't go into any detail but I passed none of them. Does anyone believe that I should still put my scores on my application?
Hello all,
I'm a high school student in transition from junior year to senior year. And I was wondering if anyone thinks that it would be a good idead to take AP Physics as opposed to AP Psychology? When I go to college I plan to major in a science, but I'm not sure which course will make...