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Spring 2008 Phys 5A 4/14 Lecture 2.11 50 minutes
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"I see the world in very fluid, contradictory,
emerging, interconnected terms, and with that
kind of circuitry I just don't feel the need to
say what is going to happen or will not happen."
--Governor Jerry Brown
TODAY (*.pdf)
Clicker homework
Ch. 9.6: Bouyancy
Ex: Conceptual Question 9.6 (extended)
Ex: Problem 9.28
Chs. 9.7-9.8: Ideal Fluid Flow
Ex: Comprehensive Problems 9.94, 9.95 (conceptual)
NEXT TIME
Homework
Problems 9.31 (for practice only)
9.32 (express your answer in units of kg/m^3)
9.37 (for practice only)
9.39 (for practice only)
9.40
9.43 (for practice only)
9.44
9.52 (conceptual comparison questions:
(a) which pressure is greater: P_A or P_B?
(b) which airflow is faster: v_A or v_B?)
Read Chs. 9.8 (Airplane Wings, p. 330)
10.2 (stress, strain, Hooke's law, Young's modulus)
10.3 (Example 10.3; Making the Connection, p. 355)
Problem-solving session
Problem 8.38 (2.0 points)
(attempt before, work on during, and submit at end of next class)