1PhysicsWu Hao
Physics I Wu Hao
Whylearningphysics" Physics is the most fundamental and all-inclusiveof the science, and has had a profound effect on allscientific development."RichardFeynman1) Understanding our world2) Necessary base knowledge3) Scientific thinking methods4) Physics in everyday life
Why learning physics “ Physics is the most fundamental and all-inclusive of the science, and has had a profound effect on all scientific development.” —— Richard Feynman 1) Understanding our world 2) Necessary base knowledge 3) Scientific thinking methods 4) Physics in everyday life
Waterof poolExamplel: It need 4 hours to fill a pool, 3 hours toempty, how about both switch is turned on?1= 12 ?1/3-1/4Is water flow constant?hdm comes out in dtdh= V= /2gh:kydmgha2dt
Water of pool Example1: It need 4 hours to fill a pool, 3 hours to empty, how about both switch is turned on? 1 12 ? 1 3 1 4 = − Is water flow constant? dm comes out in dt h ghdm 2 2 v → dm = 2 , v gh dh kv dt =
About the course grade30% for the midterm.40% for the final exam,30% for the attendance, homework, quizproject and so on
About the course grade 30% for the midterm, 40% for the final exam, 30% for the attendance, homework, quiz, project and so on
TextbookandreferencebookFocus on those mentioned in classNotice: remember specialized vocabularyReference books:
Textbook and reference book Focus on those mentioned in class Notice: remember specialized vocabulary Reference books: