This is HW 9 problem set, due on Friday November 16, 2007 of the
PHY161H class for Fall 2007 Lecturer: J. Rafelski.

RECALL: you are expected to do these problems and have a clean write up, but there is no hand-in, instead there will be a 12 min quiz valued at 2%, testing your knowledge of one of the problems from this home work. However, I may check your collection of problems should I need more information about your work.

Note: it is not enough to know the answers, understanding the problem and knowing the path to the solution is more important.

Problems are meant to be done in sequence set. Comments are for my use

Problem 11.43 page 376 (flying plane)
Problem 11.59 page 377 (rod slanted/suspended),
Problem 11.72 page 379 (wheel against edge)
Problem 11.100 page 382 (Bulk modulus ideal gas)
Problem 12.1 and 12.7 page 413 (moon to sun, moon on human)
Problem 12.31 page 414 (moon of mars game)
Problem 12.42 page 414 ( weigh on equator given the pole)
Problem 12.51 page 415 (3body CM and torque)
Problem 12.53 page 415 (dynamics of two equal spheres of differing mass)
Problem 12.61 page 416 (gravity comparison true/approx) AND 12.81 p417 (understanding Gravity of a inhom. Sphere)
Problem 12.65 page 416 (moon crash after retro fire)
Problem 12.69 page 416 (escape the sun)
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