Stage: 5 Challenge Level: 
Think about conservation of energy.
engineering. chemistry. Individual. physics. Forces. Rigid Bodies. Maths in STEM. Discussion. Short problems. Energy.
Published October 1999.
Copyright © 2007. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project, which also includes the Plus and Motivate sites.
email: nrich@damtp.cam.ac.uk