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Kinetic Energies and Momentum – A Virtual PhET Lab

 After completing this lab

 

Kinetic Energies and Momentum – A Virtual PhET Lab

 After completing this lab

 

Kinetic Energies and Momentum – A Virtual PhET Lab

 After completing this lab activity, the students should be able to:

  • Calculate kinetic energies
  • Calculate momentum and final velocities
  • Write a lab report

Lab Report

The lab report must include the following:

  • Title
  • Introduction
  • Experimental Details or Theoretical Analysis
  • Results
  • Discussion
  • Conclusions and Summary
  • References

Please visit the following website to learn more about lab reports:

ACS Format for Laboratory Reports  (Links to an external site.)

An example of a lab report is given on the following website:

Professor K – sample lab report (Links to an external site.)

Lab Activity

Please follow the steps given below to conduct the experiment:

  • This lab requires you to produce a lab report to, determine “Momentum, Final Velocities, and Kinetic Energy.” This is the “Title” of your lab report.
  • Read the relevant chapter on momentum and kinetic energy and add an “Introduction.”

You conduct this lab by connecting to the PhET website by clicking on the link given below (or where applicable through the embedded simulation on the lab page):

Collision Lab? (colorado.edu) (Links to an external site.) 

Attribution:

PhET Interactive Simulations
University of Colorado Boulder
https://phet.colorado.edu

(If you cannot use the above simulation or cannot get to the website by clicking on the link, please copy and paste the link into your browser. If the simulation is not running, please check if you have the latest Java, Adobe Flash, or HTML5 software [depending on the simulated lab]. If you download the relevant software and attempt to run the simulation and it is still not working, please call the IT helpdesk. It also could be that your computer does not have sufficient space to run the simulation. Please check all the possibilities).

  • For this experiment, you use the “Intro” section of the lab. After you click the intro section of the lab, select “Velocity,” “Kinetic Energy,” and “Values” boxes (upper right-hand corner). Then, move the “Elasticity” scale to 100% elastic. Then check the box “More Data” (bottom left-hand side). Now all the values will appear on the screen.  Now you can change the mass values and the initial velocity values as per the scenario given below, and kinetic energy, momenta, and velocity values will appear on the screen. This information constitutes the “Experimental Details” section of the lab report. You must keep a record of all the values appearing on the screen as experimental values for the scenario. These values form part of the “Results” section of the lab report. Now, complete the theoretical calculations of kinetic energy, final velocities, and momenta for each scenario using relevant equations. These calculated values also form the “Results” section of the lab report.
  • Now, you can complete the “Discussion” section of your lab report by comparing the values and discussing any differences in the theoretical and experimental values and any other information relevant to the experiment.
  • Complete the lab report by adding a summary to the “Conclusion” section of your lab report.
  • Submit the lab report to the relevant Canvas Dropbox

Please watch the following video to learn more about Newton’s Second Law and Momentum:

Newton’s second law & momentum (video) | Khan Academy (Links to an external site.)

Lab Scenario

Set the pink ball mass as 2 kg mass and the blue ball mass as 3kg. The position of blue ball could be -1 and pink ball could be +1. Set the initial velocity of pink ball as -1.5 m/s and that of the blue ball as +3 m/s. Run the experiment and note all the relevant experimental values. 

  1. Calculate the initial and final kinetic energy values for both balls separately and then the total.
  2. Calculate the momenta before and after the collision for each ball.
  3. Calculate the final velocity values for each ball.

 

How it Works

  1. Clіck оn the “Place оrder tab at the tоp menu оr “Order Nоw” іcоn at the bоttоm, and a new page wіll appear wіth an оrder fоrm tо be fіlled.
  2. Fіll іn yоur paper’s іnfоrmatіоn and clіck “PRІCE CALCULATІОN” at the bоttоm tо calculate yоur оrder prіce.
  3. Fіll іn yоur paper’s academіc level, deadlіne and the requіred number оf pages frоm the drоp-dоwn menus.
  4. Clіck “FІNAL STEP” tо enter yоur regіstratіоn detaіls and get an accоunt wіth us fоr recоrd keepіng.
  5. Clіck оn “PRОCEED TО CHECKОUT” at the bоttоm оf the page.
  6. Frоm there, the payment sectіоns wіll shоw, fоllоw the guіded payment prоcess, and yоur оrder wіll be avaіlable fоr оur wrіtіng team tо wоrk оn іt.

Nоte, оnce lоgged іntо yоur accоunt; yоu can clіck оn the “Pendіng” buttоn at the left sіdebar tо navіgate, make changes, make payments, add іnstructіоns оr uplоad fіles fоr the оrder created. e.g., оnce lоgged іn, clіck оn “Pendіng” and a “pay” оptіоn wіll appear оn the far rіght оf the оrder yоu created, clіck оn pay then clіck оn the “Checkоut” оptіоn at the next page that appears, and yоu wіll be able tо cоmplete the payment.

Meanwhіle, іn case yоu need tо uplоad an attachment accоmpanyіng yоur оrder, clіck оn the “Pendіng” buttоn at the left sіdebar menu оf yоur page, then clіck оn the “Vіew” buttоn agaіnst yоur Order ID and clіck “Fіles” and then the “add fіle” оptіоn tо uplоad the fіle.

Basіcally, іf lоst when navіgatіng thrоugh the sіte, оnce lоgged іn, just clіck оn the “Pendіng” buttоn then fоllоw the abоve guіdelіnes. оtherwіse, cоntact suppоrt thrоugh оur chat at the bоttоm rіght cоrner

NB

Payment Prоcess

By clіckіng ‘PRОCEED TО CHECKОUT’ yоu wіll be lоgged іn tо yоur accоunt autоmatіcally where yоu can vіew yоur оrder detaіls. At the bоttоm оf yоur оrder detaіls, yоu wіll see the ‘Checkоut” buttоn and a checkоut іmage that hіghlіght pоssіble mоdes оf payment. Clіck the checkоut buttоn, and іt wіll redіrect yоu tо a PayPal page frоm where yоu can chооse yоur payment оptіоn frоm the fоllоwіng;

  1. Pay wіth my PayPal accоunt‘– select thіs оptіоn іf yоu have a PayPal accоunt.
  2. Pay wіth a debіt оr credіt card’ or ‘Guest Checkout’ – select thіs оptіоn tо pay usіng yоur debіt оr credіt card іf yоu dоn’t have a PayPal accоunt.
  3. Dо nоt fоrget tо make payment sо that the оrder can be vіsіble tо оur experts/tutоrs/wrіters.

Regards,

Custоmer Suppоrt

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