Make a lab report for Physics 2 and follow these
Purpose
method
Hypothesis
Performance
Equipment
Results
Sources of error
Discussion
Conclusion source
reference
1. lab report on Spring Constant Help me finish my lab as I only have completion on the Spring Constant table In the table if values are missing for you, then use my values below m T ^ 2 0.05 0.257 0.10 0.516 0.15 0.766 0.20 1.02 0.25 1.266 Complete this part (Part 2 with my values) You must draw T ^ 2 as a function of the mass m. The formula you use is: T = 2 * pi * root ur (m / f) When you draw the graph, you start from T ^ 2: T ^ 2 = ((2 * pi) ^ 2) * (m / k) That is, you have squared the previous formula. Since you have drawn T ^ 2 as a function of the mass m, the slope in your graph will consist of the term before m, ie: Y = the slope * x there Your Y value corresponds to T ^ 2 And your x value corresponds to m and k = ((2 * pi) ^ 2) / slope Calculate the slope of your line the slope = (delta T ^ 2) / (delta m) = (y2-y1) / (x2-x1) = the slope = (1,266 - 0.257) / (0.25 - what should then be here) calculate this from the table I sent with Then set this as the slope to calculate k k = ((2 * pi) ^ 2) / slope = (4 * 3.14 ^ 2) / slope
2.
Here what i wrote and just help me to put a right number, wrote
Lab door: Spring constant Aims First of all we will start by measuring and then after counting in this lab and out of a spring constant. And we will get two different springs swing time thanks to the weight and traction.
Hypothesis If we get an incorrect oscillation time then we have used the hand to start the lab itself, which means that we do not get the correct answer.
Material I use with the help of a stopwatch or a timer that is in the mobile, a tape measure, a workbook and with a regular computer Performance We started by putting the two springs up with the help of a support, which they were a weight that the two fourths were on. It became easier for us to write down what is pulled in the springs, so that we can calculate using the hookes team. If we are to summarize a little about
sources of error, we used the springs in the swing. Thanks to a stopwatch, we could know how long it took by counting for e.g. 5 or 10 oscillations. That's why you divide the time for a swing. We had 100g, 200g and 300g weights that were usable. The more weight we bring, the easier it will be to see what the relationship between the weights is when it comes to spring. Results With good wins and good timing,
the results are still good Our first tension spring no. 1 Weight / power 100g / 10N 200g / 20N 300g / 30N Cm 52-41cm 52-30cm 52-19cm Difference 11cm 22cm 33cm Our second tension spring no. 2 Weight / power 100g / 10N 200g / 20N Cm 75-52 75-52 Difference 23cm 46 cm Hooke's law helps me to find out what the state is for both feathers. Then you also count the state for feathers. F is the force we have just like K which stands for constant for each spring. Then X is the one we also have, as well as a voltage meter. If we want to find out what K is, we have to redo the formula. (F = Kx) (K = mg / x) We start by putting all the values in equation which was K1 = spring 1 and K2 which was our two. K1 = 1/11 = 0.090 K2 = 2/22 = 0.090 K3 = 3/33 = 0.090 Since we use cm as units, we move decimals twice because it will convert to meters. So stay spring constant 1 which is approximately 9.1N / m. K2 = 179 / 0.23 = 4.45 K2 = 2 / 0.46 = 4.35 Spring 2, we use a meter as a unit because we have to make it easier to find the answer. Spring constant 2 = 4.35N / m Human ability to react but it was not exactly where you wanted it, because the result was not so good for the value of the swing. So that the oscillation can be calculated the measurement error. Our first oscillation spring no. 1 Weight 100g / 10N 200g / 20N 300g / 30N Seconds 0.642s 0.862s 1.017s Our first oscillation spring no. 2 Weight 100g / 10N 200g / 20N Seconds 0.897s 1.254s Sources of error We think maybe it's because it has been filmed, the oscillation may have been delayed, and my reactivity may make us pressed too early or the stopwatch may have been late. Conclusion Lab lab that we had went well without problems and the result was perfectly okay even we had a small error measurement or the numbers can disturb the answer. If you calculate the weight, it also seems to be completely inconsistent. Therefore, we believe that there is little error measurement here as well. F = mg = 0.1 kg × 9.8 = 0.98 N 2.
2.Laboratory Light you should write about interference check out youtube about Interference pattern of a CD Task Interference and diffraction should be used to determine the track spacing between the tracks on a CD. A co-worker has performed the laboratory practical while writing down measured values. Watch the movie clip http://youtu.be/v1ZzG0la0Jw
With the measured values from the film clip, you should write a complete laboratory report on the experiment. Do not forget that measurements are encumbered with measurement errors. For example, suppose the distance between the laser pointer and the screen (White board) is measured with an error of +/- 2 mm and that too the specified value of the wavelength of the light has some uncertainty
3. Magnetism and induction Materials The materials for the laboratory consist of a video clip and a simulation that both run in your browser.
Tasks 1:
To investigate how an iron nail is affected by an external magnetic field Watch the following movie on Youtube. http://youtu.be/nXAdns4xw1Y Then answer the questions below. a) In the film, a nail and an Allen key are initially moved towards each other. What happens? Response:
b) Then let the Allen key rest on the north end of a bar magnet and feed it then against the nail. What happens? Response:
c) This is repeated, but the Allen key is allowed to rest against the south end of the bar magnet instead. What happens? Response:
d) Can you use these properties that you have observed in the iron nail / Allen key? Name one or more applications. Response: 3
2: To investigate induction in a coil A simulation showing induction can be found via the following link. https://nationalmaglab.org/education/magnet-academy/watchplay/interactive/electromagnetic-induction Note that the mouse can be used to vary the number of turns in the coil, that turning the magnet and moving the magnet in and out of the coil. Examination of the magnitude of the induced voltage / current a) For each of the different speeds of the coil (5/10/15), move the bar magnet towards the coil. On the voltmeter, you can meanwhile observe the voltage that created in the circuit. Affects the different speeds of the induced voltage size? Report your observations and comment on them. Response:
b) Move the bar magnet quickly towards the coil. Then slowly move the bar magnet towards coil. The speed of the bar magnet affects the induced voltage size? You can also try holding the bar magnet first at the coil and then remove it quickly and slowly from the spool. Report your observations and comment on them. Response:
4 Examination of the direction of the induced voltage / current
c) Move the north end of the bar magnet towards the coil and observe which direction it is induced current gets (shown with minus or plus in the voltmeter). Hold the north end towards the spool and pull it away from the spool. What direction does it go? induced the current now? Compare with which it had before. Redo same with the south end of the bar magnet. Report your observations and comment on these. Response:
d) It is not possible to hold the bar magnet still and move the coil towards the respective from the bar magnet. Still, try to figure out what would happen if it did possible. Is current also induced in the circuit? Justify your statement. Response:
e) As a bar magnet approaches a coil (as shown in the figure below) it increases magnetic flux in the coil and a current is induced. In which direction is the current through the ammeter directed (to the right or to the left in the figure)? Motivate your reasoning in detail. Response:
Look at task E and where there is a picture and it says Coil/Spole https://www.pluggakuten.se/trad/magnetism-och-induktion-labb/