10/3/13, Thursday
Post date: Oct 04, 2013 1:4:25 PM
Bell Ringer
Bell Ringer
An elevator is lifted 25 meters at a constant velocity by a motor. If the elevator has a mass of 1250 kg, how much work is done by the motor? If it takes 23 seconds to lift the elevator, what is the power output of the motor? (Include a free body diagram with your answers)
Activities
Activities
Exchange lab journals and check against lab journal rubric
Discuss practice from page 162
Energy notes, practice
Practice
Practice
Page 166: 1-5
Page 168: 1-4