Ap Definition and 690 Threads

I am a junior in high school who hasn't been exposed to any Physics class. I plan to take the exam the next school year since the exam is said to be very difficult. I really want to get a 5! Like I said, I will be self-studying for this exam as much as I need too, but I first need to read over...

AP Physics HW Help -- Motion of 2 Pendulums Homework Statement A system consists of two metal balls hanging by strings of length L fixed at a common point as shown. Pendulum A has a mass of 2kg and Pendulum B has a period of 2.0s. a. What is the length L of each pendulum? b. What is the...

Hello, I am self studying to take the Ap Physics C test. I already know algebra based mechanics, although i DO NOT know calculus based. I have no knowledge on electricity. What textbook should i use?

Sorry, no subforum for statistics so I posted it here.. Homework Statement So, if I have a given list of proportions n = 64 .11 .14 .16 .14 .13 .16 .16 and I want to compare it to another group of percentages n = North American Average .18 .19 ,20 .18 .14 .06 .05...

Homework Statement Could somebody help me on the problems given in the attachments? I know E&M well but these problems stumped me(In the RC Circuit I need help only on part (d) of the question). Tomorrow is my AP C E&M exam. I am too nervous about it. Based on how these problems stumped me, do...

Homework Statement Part f. Calculated current = 0.5 A. Voltage = 30 V. Resistance = 40 Ω Homework Equations P=IV P=I^2*R P=V^2/R The Attempt at a Solution I've been curious about this for a while. Sometimes when I am asked to find the power dissipated through a resistor, and...

Homework Statement Answer is B. Answer is E. Answer is E. Homework Equations E=F/q E=V/d Right hand rule for inductors The Attempt at a Solution Quite confused for these problems. For number 18, I'm quite baffled as to where the 0.04 meters even comes from. What I had...

Homework Statement Answer is D. Answer is E. Homework Equations 14. v=√(Gm/r) 17. p=mv τ=rxF L=Iω The Attempt at a Solution Number 14 made perfect sense until I saw the answer, which is D. If the velocity of the spacecraft increases, according to v=√(Gm/r), the radius...

Homework Statement Two thin, concentric, conducting spherical shells, insulated from each other, have radii of 0.10 m and 0.20 m, as shown above(Graphic Above). The inner shell is set at an electric potential of -100 V, and the outer shell is set at an electric potential of +100 V, with each...

Hi all, Page 94 of Special relativity by AP French has a worked out example that puzzled me. This is the example: Frame S’ has a speed v=0.6c relative to S. Clocks are adjusted so that t=t’=0 at x=x’=0. Two events occur. Event 1 occurs at x1=10m, t1=2E-7s (y1=0, z1=0). Event 2 occurs...

Homework Statement 1. 2. Homework Equations ∫E.dA = Qenc/\epsilon_{o} \lambda=Q/L \rho=Q/V V= q/4πε_{o}r The Attempt at a Solution these types of problems i suck at, i don't know how to do these at all independently, and is there any difference in question 2 if there is an insulator or...

Hi, I am a high school sophomore and am thinking about what courses I need to register for my junior year. My advisor suggests that I take AP chemistry in junior year and AP physics in senior year. I wonder if I follow this suggestion, I won't have enough knowledge when I take the ACT test in...

I know this question will likely depend on the college that it is applied to, but... If I were to not have taken any sort of Calculas, only pre-calculas in High School along with not taking AP Physics of any sort in High School would you still be able to enter college and study Physics? If...

Okay I heard about the Advanced Placement Exams a few weeks ago . I came online and saw the question papers and they are fairly easy . So here is my question what are the Advanced Placement tests for ? I am planning to give Advanced placement tests in Calculus(AB and BC) Physics ( all papers )...

Homework Statement Okay so this is a multi part question. I think I am on the right track, but I am most likely wrong. Any help is good. If I know what to use for the equations I can usually solve it on my own. The question is: A child of mass 40kg is on a merry go round. The ride is a...

in physics. Alright so I could either graduate a year early with my AP credit or take four years and double major in math and...get a masters in physics? I am unsure of how this would work though. My goal is to get into the best possible school. If I take four years, I will have room for...

A heat transfer of 9.5 x 10^5 J is required to convert a block if ice at -15°C to water at 15°C. What is the mass of the block of ice? So do I have to use the equation; Q= mcΔT ? and Q= mL ? And if so how do I use it?

AP Physics Momentum/Collision problem.. Homework Statement "A projectile of mass M is fired at an angle Theta (with the horizontal) from a cannon of mass 4M and velocity V on a friction-less flat surface. Determine Theta such that the distance from the end of the cannon (the hole of the...

A cube of osmium with a volume of 166 cm³ is placed in fresh water. The cube's apparent weight is 35.0 N. What is the density of osmium?This is what I did: I converted force to mass by : 35 N / 9.8 = 3.57 kg then changed the 166 cm³ to m³ which is : .000166 m³ After that i divided the mass...

Hi, I'm in 11th grade currently taking Pre-AP Physics and want to take the Physics SATII subject test. I have to take it this upcoming summer of 2013 since college applications are due in November 2013. However, I'm not sure if just knowledge from Pre-AP physics will be enough for the test. Does...

I'm a senior in high school currently taking AP Physics BC (mechanics) without having taken a physics course previously. I normally do well in my classes as I'm 10th in my class and am taking the most difficult level of classes I can. I can't say this for my AP physics class, which I currently...

Homework Statement If a,b,c are real numbers satisfying the equation 25(9a^2+b^2)+9c^2-15(5ab+bc+3ca)=0, then prove that a,b,c are in A.P. Homework Equations The Attempt at a Solution Rearranging the question I can say that I have to prove this 2b=a+c I tried simplifying the terms...

Hi guys, I'm deciding a career in the biological sciences but will need calculus 1 and II. knowing that many of you are probably in college or in your fields, I want to know how similar Calc 1 and college calc are. I'm really bad at Calc this year, currently with a B- and want to know how much...

i have been given ap project by my teachers to show the ratio between velocity and torque . i.e i have to show the gear ratio in my project. can some one tell me whether the ratio b/w torque and velocity remains constant if we use different number of gears . also if some one can give me any...

A 3.0-kg ball, which is dropped, strikes the ground with a velocity of 16.0 m/s and rebounds with a velocity of -12.0 m/s. What is the change in momentum?

AP Physics Question about friction? Homework Statement Please explain everything through... I'm so lost :( Mass B is on top of Mass A which is on top of the floor. B=2kg, A=4kg, gravity assumed to be 10m/s^2 Coefficient of friction between B and A is 0.2 kinetic, 0.4 static Coefficient...

Homework Statement I need to find the concentration of the H2O2 that we usedHomework Equations 2KMnO4 + 5H2O2 + 3H2SO4 → 2MnSO4 + 5O2 + 8 H2O + K2SO4 (not sure if correct) we got an average of 34.5 ml of titrant, for solution we were adding the titrant to being 5ml of Hydrogen peroxide, and...

Homework Statement I'm so lost in class right now... can anyone go through step-by-step how to solve this problem? A small mass moves along a friction free level surface (of height 10 meters) at a speed of 5m/s and comes to a circular ramp. After it has descended 2 vertical meters, its...

Consider two balls on an inclined track with a constant angle. Ball A is released from rest at the top of the track. Ball B is given an initial velocity directed down the track. At the instant that the balls collide, Ball A is going 4 times as fast as Ball B. Ball B is still traveling upward...

A good jump in the long jump event is 3.7m. If the jumper leaves the ground at an angle of 25°, what speed must he need to jump the 3.70m distance? →Could you use this equation: vf²=vi²+2aY aka (final velocity)²= (initial velocity)²+2(acceleration)(distance in the y-direction) →So, that...

A good jump in the long jump event is 3.7m. If the jumper leaves the ground at an angle of 25°, what speed must he need to jump the 3.70m distance? →Could you use this equation: vf²=vi²+2aY aka (final velocity)²= (initial velocity)²+2(acceleration)(distance in the y-direction) →So, that...

A rifle is fired at an angle of 25° below the horizontal with an initial velocity of 400 m/s from the top of a cliff 60.0m high. How far from the base of the cliff does the bullet land? This is what I did, but I'm not sure if its right: y-component→ v=400sin(25°) ∴v=169.05 x-component→...

Homework Statement A dot on the floor with a diameter of 2cm. A table that is at a distance of 46cm horizontally from the center of said dot. The table is 90cm tall. The meat of the problem: A ping pong ball rolls off an incline plane (a wooden board) that is on top of the table. The...

Homework Statement http://apcentral.collegeboard.com/apc/public/repository/ap-physics-course-description.pdf Page 45 Homework Equations sinθ = opp/hyp tanθ = opp/adj cosθ = adj/hyp G ≈ 10 m/{s}^2 The Attempt at a Solution I know that the weight is a force pointing downwards...

Homework Statement Solutions of cobalt(II) nitrate and sodium hydroxide are mixed. What are the solubility rules for the hydroxides? and it occurs in a aqueous solution Homework Equations I have no idea how to solve these problems from my chem class lasty year and we will be...

This is not a physics question. Just hoping for advice for any people who taken this course in high school. My school is a block schedule so I take AP physics B and AP physics C in one year. Currently, the first semester i am making 23% on tests and the highest was a 40%. I am one of the top...

I've been self studying AP Calc AB over this past month, and I just took a practice AP Exam. It is the first AP Calc AB test in the princeton review's ap calc book 2010 edition. I got 31/45 on the MC and roughly 50% of the FRQ's correct. Could someone estimate what I got between 1-5? Thanks!

I was talking to an acquaintance the other day and I found out that I had to take an AP test to get college credit for high school AP courses. The only thing is I'm finding this out after having already graduated from college two years ago with a BSME. I took a bunch of AP courses back in...

Hi I'm an incoming junior in high-school and I am planning on self-studying for the AP Physics C/E&M and AP Computer Science exams since my school doesn't offer these courses. I am buying the Barrons review books but what other study materials do I need? I am also taking Physics B course in...

Homework Statement Ts (subscript s) = 2∏*√(4.5*10^-2 kg / 2.0*10^3 kg/s^2) kg = Kilograms s = seconds Ts = ? Homework Equations I do not have any relevant questions. The Attempt at a Solution Ts = 2∏*√(4.5*10^-2 kg)/√(2.0*10^3 kg/s^2) Simplified Ts = 6.28*[(0.212 kg)/√(44.72...

Hey, I am taking AP Calculus next year in High School. Is it the same thing as Calculus 1 for college? Reason why I ask I am looking to learn all of the material in advance.. Would this be a solid guide to follow -...

Hello everyone, I was wondering because I am looking for a rewarding elective to take in my senior year of high school if AP Computer Science A would be a worthwhile choice. I am interested and think it can't hurt to get a taste of a new subject before I go to college. With a strong...

First off, I'm sorry if this is in the wrong section, but I am looking for some guidance other than my friends who don't see the beauty of math and science, or education in general. I am going into my senior year at public high school and have never taken a physics course, although standard...

Hey, I know this is a long shot, but is anybody else on here involved in the AP Physics Reading? I am, and am wondering if anybody would want to meet up.

Does anyone know/have a list of topics that a HS student should know for chemistry and physics before entering into their respective APs? (Basically, I'm asking what should a HS student know for a Pre-AP leveled cumulative final exam?) Any important topics that a HS should know are welcome...

I simply need to shoot a paper plane very far, the furthest distance. I cannot interfere with it during flight. I plan to have copper wires up a standing pole, from the pole, an extension (used as a ramp for the plane to gain acceleration), will stick out less than 90 deg/ Perpendicular). On...

The momentum of a particular proton is 20 5.5 10 kg m s - ¥ i . Relativistic effects can be ignored throughout this question. (a) Calculate the de Broglie wavelength of the proton. (b) Calculate the kinetic energy of the proton. The proton is directed toward a very distant...

I'm going to be taking AP Physics next year, and I really want to get an A (I'm going to be a senior, so in case my application gets deferred, I'll be able to improve my transcript). I've only taken two AP classes; AP Psych and AP Computer Science, both of which I got an A in Can you guys...

No, you didn't read the title wrong. I am really self studying a physics class. I just finished Mechanics (Physics I) and since I want to go to college to study physics to become an engineer or physicist. I need to take the next class, E&M (Physics II, Electricity and Magnetism). However, I...

I'm a physics teacher and one of my AP students posed the following question: "if there was a steel bar 2 light years long and you moved it forward a couple inches, would the other end move forward a couple inches immediately or would there be a delay?". We'd been discussing electric fields, so...