Classical Physics

2828 topics in this forum

1. Card throwing

   By insane_alien, November 23, 2006
   • 23 replies
   • 27.9k views
   • 
   • Doc. Josh
   • May 17, 2011

2. I need help with Doppler's effect understanding 1 2

   By frostysh, July 31, 2019
   • 30 replies
   • 26.7k views
   • 
   • George Dowell
   • August 25, 2019

3. How many tennis balls can fit in a room?

   By infinite, August 31, 2012
   • 13 replies
   • 26.2k views
   • 
   • Phi for All
   • August 31, 2012

4. Converting CFM to Thrust

   By Elite Engineer, May 29, 2013
   • 22 replies
   • 24.9k views
   • 
   • howlingmadpanda
   • July 15, 2013

5. What is heat? 1 2 3 4 8

   By finiter, August 15, 2011
   • 181 replies
   • 24.4k views
   • 
   • finiter
   • August 30, 2011

6. I moved water uphill against gravity 1 2 3 4 5

   By Cyclonebuster, September 14, 2009
   • 106 replies
   • 24.3k views
   • 
   • Klaynos
   • September 19, 2009

7. temperature of steam

   By fermions, April 7, 2005
   • 19 replies
   • 24k views
   • 
   • YT2095
   • April 19, 2005

8. Why mirror doesn't reflect this "red mercury"

   By Lucis, March 11, 2018
   • 7 replies
   • 23k views
   • 
   • Connie Marie
   • February 17, 2022

9. Help in explaining formula of Kinetic Energy 1 2 3 4

   By Vay, September 17, 2011
   • 83 replies
   • 21.9k views
   • 
   • imatfaal
   • January 20, 2017

10. why coefficient of kinetic friction is smaller than coefficient of static friction?

    By just86, November 11, 2007
    • 18 replies
    • 21.7k views
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    • lemur
    • November 23, 2010

11. Speed of Sound Formula [v=sqrt (B/p)]

    By blazinfury, February 17, 2013
    • 2 replies
    • 21.7k views
    • 
    • Enthalpy
    • February 19, 2013

12. Perpetual Motion Generator 1 2

    By Neodymium50, February 7, 2009
    • 32 replies
    • 21.6k views
    • 
    • Klaynos
    • October 8, 2009

13. How to cancel out earth gravity. 1 2

    By reverse, April 9, 2005
    • 35 replies
    • 21.3k views
    • 
    • reverse
    • April 20, 2005

14. Accuracy of mirror images

    By Leto-Atreides, June 15, 2011
    • 16 replies
    • 20.1k views
    • 
    • TonyMcC
    • June 20, 2011

15. Which is more dangerous-alternating current or direct current? 1 2

    By QuarkQuarkQuark2001, July 8, 2004
    • 28 replies
    • 20k views
    • 
    • pulkit
    • July 26, 2004

16. Heat exchanger efficiency

    By Science266677, October 18, 2007
    • 5 replies
    • 19.9k views
    • 
    • Fella
    • November 30, 2007

17. Acceleration equation with unknown final velocity

    By dstebbins, November 30, 2013
    • 6 replies
    • 19.9k views
    • 
    • swansont
    • December 1, 2013

18. White Light's frequency 1 2

    By NanakiXIII, September 27, 2003
    • 32 replies
    • 19.7k views
    • 
    • Dudde
    • October 6, 2003

19. Electric current makes magnetic field, why?

    By alpha2cen, January 29, 2011
    • 17 replies
    • 18.6k views
    • 
    • SomethingToPonder
    • February 1, 2013

20. how would you define momentum? 1 2

    By computerages, January 19, 2006
    • 28 replies
    • 18.5k views
    • 
    • s pepperchin
    • February 14, 2006

21. Classical Egg Drop Contest....

    By Guest rplspecs9, October 19, 2004
    • 20 replies
    • 18.4k views
    • 
    • 5614
    • November 6, 2004

22. Does light accelerate 1 2

    By timharvey027, February 11, 2020
    • 42 replies
    • 18.3k views
    • 
    • swansont
    • February 14, 2020

23. Shielding home from radio waves - experiment

    By kodama, January 9, 2010
    • 10 replies
    • 18.2k views
    • 
    • swaha
    • February 6, 2010

24. Does weight/mass really have no effect on the rate that objects fall?

    By John Salerno, November 7, 2010
    • 7 replies
    • 18.1k views
    • 
    • Edtharan
    • November 10, 2010

25. Help me with calculations!

    By cookies, May 17, 2007
    • 14 replies
    • 17.7k views
    • 
    • gregwaters2001
    • April 19, 2010