1 / 14

Rube Goldberg Machine

Rube Goldberg Machine. Nicole Stockton, Samantha Bennett, Arthur Swanson, and Raquel Navarro. PE to KE. W IN : mgh .052(9.8)(.062) W IN : 0.0319J W OUT : 1/2mv² 1/2(.052)(.45)² W OUT : 0.0053J. W IN : mgh + 1/2mv² .166(9.8)(.23)+ 1/2(.166)(.038)² W IN : 0.377J W OUT : mgh +1/2 mv²

giona
Download Presentation

Rube Goldberg Machine

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Rube Goldberg Machine Nicole Stockton, Samantha Bennett, Arthur Swanson, and Raquel Navarro

  2. PE to KE • WIN:mgh • .052(9.8)(.062) • WIN: 0.0319J • WOUT: 1/2mv² • 1/2(.052)(.45)² • WOUT: 0.0053J • WIN: mgh+ 1/2mv² • .166(9.8)(.23)+ 1/2(.166)(.038)² • WIN: 0.377J • WOUT: mgh +1/2 mv² • .166(9.8)(.1)+ • 1/2(.166)(3.6)² • WOUT: 0.016J Efficiency 17% • WIN: mgh • 9.8(.77m)(.056kg) • WIN: 0.423J • WOUT: 1/2mv² • .5(.056)(3.4) ² • WOUT: 0.324J Efficiency 4.2% Efficiency: 77%

  3. Ke to PE • WIN: 1/2mv² • .5 (.02892)(2.75)² • WIN: 0.109J • WOUT: mgh • (.02892)(9.8)(.17) • WOUT: 0.086J • WIN: 1/2mv² • .5(.056)(3.4) ² • WIN: 0.324J • WOUT: mgh • 9.8(.078kg)(.07kg) • WOUT: 0.0535J Efficiency 70% Efficiency 16.5%

  4. Pe to Pe • WIN: mgh • 9.8(.078kg)(.07kg) • WIN: 0.0535J • WOUT: mgh cup+ mgh(water) • .01(9.8)(.08)+.13(9.8)(.03) • WOUT: 0.0449J Efficiency 16.5%

  5. KE to Rotational • WIN: mgh(cup)+mgh (water) • 01(9.8)(.08)+.13(9.8)(.03) • WIN: 0.0449J • WOUT:WOUT: 1/2Iω² • ½(.5(.1513)(.05)² (1.03)² • WOUT: 9.967x10-5J Efficiency 83%

  6. Rotational to Pe • WIN: θ2 π /time • (11/180)2 π/ .374 • WIN: 1.03 rot/sec • WOUT: 1/2Iω² • ½(.5(.1513)(.05)² (1.03)² • WOUT: 9.967x10-5J Efficiency43.5%

  7. PE to Electric • WIN: mgh/t • .166(9.8)(.01)/.112 • WIN: 0.143w • WOUT: IV • 6v(.002a) • WOUT: 0.012w Efficiency 8%

  8. Wind to Ke • WIN: (πr²h)1.2 • (π.045².12)1.2 • WIN:9.16x 10-4J • WOUT: 1/2mv² • .5(WIN:9.16x 10-4) (1.5)² • WOUT:0.001J

  9. Pe to electric • Formula: mgh = IV • (9.8)(2.63kg)(.165m)=(100w/120v) • WIN: 0.103J • WOUT: 100w

  10. Electric to solar

  11. Solar to KE

  12. Total Efficiency • WIN:mgh • .77(9.8)(.056) • WIN: 0.423J • WOUT: 1/2mv² • 1/2(.052)(.45)² • WOUT: 0.0053J (.0053/.423)100= 1.3%

  13. Video

  14. Citations The Physics Classroom.1996-2011. <http://www.physicsclassroom.com/class/energy/u5l1b.cf m>. Kinetic Energy. August 2000. <http://hyperphysics.phy- astr.gsu.edu/hbase/ke.html>. Mr. Jones EIA Energy Kids. U.S Energy Information Association. 3 March 2011 <http://www.eia.doe.gov/kids/energy.cfm?page=solar_home- basics>. Jones, Eric. Personal Interview. 3 March 2011.

More Related