PHYS 2101 Lecture : Lecture6
Document Summary
Announcements monday jan. 30, 2012: si sessions: (i emailed this info to you ) Of ce hours: wednesday and thursday from 3:00-4:00 in allen 039. Exam review: tonight from 7:15-8:45 location tba to work problems. I recommend that you go only if you have a speci c question. Ta exam review tonight 5:30-7pm nicholson 130: hw2 is due tonight at 11:59pm, exam 1! : tomorrow night @ 6pm in lockett 16 (our section: bring a calculator (your iphone/blackberry/ipad/ cannot be used, bring a pencil, get there early please! Don"t forget: please read the book before class. Units of joules: 1 j = kg m2/s2 =1n m mass. Velocity is a vector: v = vx velocity squared. Kinetic energy: depends on magnitude of velocity, not direction v 2 = v ! v = vx. Energy: property of a system that is constant (scalar) Convert one type of energy to another, but total amount is the same.
