Transcript Today: Sept. 25th

Class Objectives:
Review quiz
 New material – a due to “g”
 Practice
 Assignment

Wile E Coyote on the Planet
Newtonia
Review Lab from Last Class
Acceleration due to Gravity

Same for all objects
Does not depend on mass, height
 Ignore air resistance
2
 - 9.8 m/s


Why negative?
Free Fall
Up is positive, so down is
negative
 Same tools (replace “a” with “g” in

equations)

Up motion mirrors down motion