CK-12-Physics-Concepts - Intermediate

9.5. References http://www.ck12.org

9.5 References

1. Ken Ratcliff. http://www.flickr.com/photos/kenspix/2685792925/.


2. Courtesy of Mass Communication Specialist 3rd Class Torrey W. Lee, U.S. Navy. Jet Takeoff.


3. Image copyright Skynavin, 2014. http://www.shutterstock.com.


4. Laura Guerin. CK-12 Foundation.


5. Samantha Bacic. CK-12 Foundation.


6. User:Zonk43/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Teststrecke_Roller_Coaster3.J
   PG.


7. Flickr: hellolapomme. http://www.flickr.com/photos/hellolapomme/2289020306/.