Physics lab Definition and 125 Threads

Homework Statement Errors that might arise through this experiment: A puck upon a air table which makes certain dots with a specific length in between each of them for a 50 g mass and a 150 g mass, we need to find the acceleration, which i did and the coefficient of the friction that they...

question 1) If "d" is the grafting constant "spacing between 2 slits on a grating), hwo can we obtain the ruling (number of grooves per meter) "D"? 2) Illistrate order of diffraction

Okay, I am working on my physics lab, and I have a few questions regarding it. First, we are asked to make a prediction: "Predict how you think the presence of a rubber band will affect the force felt by the force probe from the rubber band compared to masses hung directly from the hook?" My...

I work in a nano-optics group, and need an IR thermometer with certain specifications. Online I have only come across cooking thermometers and industrial thermometers, so I need help finding one for a physics experimental lab setup. Specifications: - high accuracy, and pin-point surface...

1.hi, I am new to this forum and i have a question regarding my final physics lab: A solid spherical ball, R= 1.4 cm and m=95 grams, is released from point A(1m above the). After traveling through the loop, the ball exits the set up as a projectile and land at point B with the horizontal...

Homework Statement I have two columns of data to graph from a lab we did on spherical lenses. The instructor showed a quick and dirty sketch of what our graph should look like - a decreasing curve. My data plots as an increasing linear graph. If I flip the x-axis data top to bottom I can...

Homework Statement In a physics lab experiment, a compressed spring launches a 40g metal ball at a 25 degree angle. Compressing the spring 17cm causes the ball to hit the floor 1.6m below the point at which it leaves the spring after traveling 5.3m horizontally. What is the spring constant...

Homework Statement Determine the error in the calculated centripetal force, F (dynamic), for each value of r from the estimated error in the quantities m, r, and from the standard deviation from the mean of your three measurements of f. Derive the equation for the error using Rule # 2 for...

In my physics class for an assessment we designed our own lab. In our lab we had plastic cups and cut small holes in the bottom ranging from 0.3 cm to 1.3 cm diameters. We then measured the amount of time it took for different volumes of water, detergent, syrup and rubbing alcohol. I...

Physics lab normal force please help! A 1000-kg car moves at a maximum speed so that it does not skid off the 50-m radius level track. If the coefficient of static friction between the road and wheels is 0.80. What is the maximum speed? Assume that the gravitational constant is 10.0 N/kg =10.0...

Homework Statement "You are asked to do an experiment where you will need to use a rotating blade to measure the wind speed. You measure the number of rotations of the blade at 10 different wind speeds, 10 times each and will make a linear fit to determine the wind speed as a function of...

Hypothesis: The hottest part of the flame can be found at x located just above the u un burn gas Aim: By placing a thermometer at different points on a non luminous flame to verify the hottest part of the flame.

i am a A student in my university , and i just want to keep it that way can anyone give me an idea for reaching a perfect physics lab report and thank you

I have a table of these 10 readings, [SIZE="1"]149.6 150.9 149.7 147.9 147.7 152.4 149.8 152.2 153.2 148.9 They were taken on an optical bench where the smallest unit of measurement was 1mm. I'm trying to calculate the +- error but I'm not sure how to. I've came across 3 methods...

Homework Statement So i have to do a lab about circular motion we had to swing a rubber stopper around while holding a glass tube and when there was a mass hanging at the end of it "plot a graph so the slope of the straight line graph may be used to determine the mass of the stopper" we...

what would be some sources of error in a lab to find the refractive index of a prism? This lab was done by use of optical pins and glass prism.

Hello, I am currently trying to come up with an idea for a project for my advanced physics lab. I have thought to do supercooling/heating, superfluids, and perhaps a rail gun. I have access to a very nice high-speed camera, so I would hope to find an experiment that will utilize it (the rail...

In my lab for physics we are given a ramp, some textbooks, and a marble. The objective of the lab is to make the marble go through two hoops (the hoops are about an inch and a half wide, the marble is about 3/4ths of an inch). Our teacher is going to give us either a specific distance from the...

Dear all, In this coming fall, I will be assigned Physics Lab as a teaching assistantship. Does anyone know a book or any other resource that can help me in mastering physics lab challenges. I need a book on measurements and instrumentation where i can find data manipulation techniques. Does...

So I have to design any physics experiment using Box of Matches. Can anyone help me out ?

This is Grade 12 Physics lab assigned to me : Bonus: Performing the lab+making a conclusion to answer the research question. I thought whole day but can't think of any research question with box of matches. Could anyone please help me out with this?

I want to use MikTex to do my physics laboratory informs. The thing is I have to write the informs in spanish, and I've found that I can't use the tilde on my work, which is really bad, because I can't write it orthographically as it must be done e.g. I can't write Dinámica, but I can write...

Hey all, I'm trying to prepare for an upcoming Physics lab practical, but I'm having a hard time trying to figure this thing out. I'm not a Physics major, and I really don't have the "eye" that some other people have on what comes to Physics problems. I'm hoping that somebody could help me...

I just started the semester off in physics lab and I am so rusty. I did three perfectly okay by myself but these last three I can't seem to figure out. Any help on the direction to take with these is appreciated! c) T = 0.433 ± 0.004 s. Calculate T^2 andΔT^2. d) Given d = vt, v = 55...

[b]1. The aim of the lab is to verify the centripetal acceleration law which states that acceleration is equal to the velocity squared divided by the radius. During the lab, we spun a string powered whirligig. There was a ball at the top, attached to string, the string was threaded through a...

I am going to teach in a two year private college in September. Currently I am in the process of determining what laboratory experiments will the students do so that I can be prepared with the necessary laboratory equipments. My question is, how important is it to have a lab on measurement...

1. Hey! i have done a physics lab on cantilevers, and what i did 1. Hey! i have done a physics lab on cantilevers, and what i did was i varied the length of the leaver while keeping the force applied constant and measured the displacement down of the leaver. However, i am not sure what to graph...

Should undergraduate physics lab courses be available in an online ("Web-only") format? How? What are the Pros? Cons? Please discuss. If you teach physics, please also answer a very brief (7 questions, 5 minutes) research survey on your institution's use of online content for physics...

This may be a bit of a silly question, but I'm wondering if it is feasible to design a freshman level lab experiment using a STM? For example, let's say the lab is simply intended to give the students a better appreciation of how a STM operates within the framework of quantum mechanics, with the...

Homework Statement In class, we conducted a lab experiment in which we placed an object on the end of a piece of wood and lifted the same end of the wood until the object slid down to the bottom. We measured the height the wood was lifted to. (to assist in calculating Coefficient of Friction...

Homework Statement Hi all. I did a lab in physics and am struggling with a question. The lab involved dropping an object that had clear and black bands on it through a photogate to determine velocity and time. The question I'm struggling with is... Looking at the RAW DATA, you should...

Homework Statement For this exercise, four coins are tossed 32 times and the number of heads are recorded for each toss. Each toss falls into one of the following macroscopic states; 0 heads, 1 heads, 2 heads, 3 heads and 4 heads. Suppose the 32 tosses result in the following outcome...

Hello, I currently "work" on one of my physics professor's lab projects, basically I do some coding and make pretty graphs for him. Its not really physics, but as a sophomore I don't know enough physics to really be useful and I question any REU that claims to provide any more meaningful a job...

Homework Statement Hi, So I have a final lab in my college physics class. And the lab procedure is as follows: Note: The measured mass of the Bungee jumper is 0.25837 kilograms (258.37 grams). I have attached my data as an Excel file: . My question is, what formula does k follow (it is most...

Homework Statement Hey, For one of our final lab projects, we have to (less design and more build) an electric DC motor on a 6V DC battery. Restrictions/Requirements: No plastic parts can be used The motor must run for at least 60 seconds No simple motors allowed "not-simple" means, it must...

Homework Statement I know the answer to this question but I just need to know how I can prove this in a laboratory fashion... Here is the question: Why doe s a spring continue to vibrate and eventually come to rest when stretched and then released?? It has something to do with calculating...

This problem seems straightforward and easy enough, but I still want to check my answers. Suppose the pressure of the bulb (light bulb I'm guessing used in experiment) is 20 psi (absolute) at 20C. What would you predict the pressure to be at 0C? What would you predict would be at 100C? I...

1.) Using the table provided what is the change in thermistor resistance if temperature rises from 21 C to 30C? The ohm values for resistance are 120810 for 21C and 79,422 for 30C. I just subtracted the two numbers and got -41,388 ohm. I hope that's right! 2.) This lab involves a spool...

1. I have a to do a lab this week myself, it's not an exam more of assessing if I can do it or not. Here's what I have; 1. a set of six calibrated 50 g masses, 2. a stand with scale graduated in cm, 3. a spring with attached holder for calibrated masses, 4. a stop-clock. I have to find G, the...

Before I begin, let me say this is my first time on this forum, and am terribly sorry if I screw something up here. Let me also say that my physics lab is ahead of my physics class, so my knowledge on angular momentum is lacking. Also, this lab is due tomorrow. I know it's short notice, but I...

Homework Statement I was asked to plot a distribution curve, but before that we had to deal with working means instead of a real mean. So the problem is :is it ok to plot a normal curve based on the standard deviation from the working mean? We were asked to compare our results with antoher...

One of my prelab problems for physics 3: The Moon is about 4*10^8 m from the Earth and has a diameter of about 3.2*10^6 m. You want a radar antenna which just covers the Moon with the central spot of its diffraction pattern. If the radar wavelength is 10 cm, what is the diameter of the radar...

Physics lab help, determining acceleration thru V vs T graph?? the point was to determine the acceleration due to gravity. It was this whole experiment with a ribbon tied to a brass weight. it was put into a machine and youd drop the brass weight and the machine would mark dots on it to show...

This is my first post, if you need any more information I'll try to put it up as quickly as possible. I have a tricky problem in my lab that may lend itself to computer programming, but I have little training in that area. OBJECTIVE: How many peaks are there in my data? DATA: I have a...

Homework Statement You are given two cans to roll down a 1m ramp at angle 15 degrees [and then at 30 degrees for a check]. Can A has a less viscous fluid, broth. Can B has a more viscous fluid, cream of mushroom soup. Now through constant experimentation we find that, can B rolls down...

Hi! Can someone give me a general idea of how I do this? In my lab today we a pulley system with two spring balances attached to a long sting. We had to do several configurations and measure the angle and record the reading on the spring balances. Could someone guide me as to how to do the...

In a physics lab, a small cube slides down a frictionless incline as shown, and collides at the bottom (where it is now moving horizontally) with a cube that is only one-half its mass. If the incline is 30 CM high and the table is 90 CM off the floor. where does each cube land? the teacher...

Hi there. I'm having issues with a high school lab that deals with acceleration of objects down inclined planes. At the top of my lab questions, there's a simple diagram (just a triangle with a rectangle on the hypotenuse, representing a cart), and one of the questions pertains to it: What is...

Homework Statement Okay, this lab has had me stumped for the last few hours. This is our first lab for AP Physics BC. Problem: Determine the position vector that describes the locatino of the water that is launched by a drinking fountain. Your position vector needs to be in unit vector...

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...