3/12/09
Post date: Mar 13, 2009 1:34:22 AM
Bell Ringer: Why aren't common machines (such as automobiles, appliances, or machines in factories) designed like Rube Goldberg machines?
Folders are due tomorrow
All items must be in order to receive ANY credit
Number and title each assignment
Bell Ringers
Worth 2 points each
14 Bell Ringers all together
Introduction to efficiency
Efficiency is the percent of energy that is transferred from one form to another
Follow the directions at the end of the "energy of a rolling ball lab" to calculate efficiency for the ball rolling down the ramp.