lec10 - Course Announcements Current Assignments: HW...

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1 Lecture 10, 2/16/00 Phy1221 Winter 00 1 Course Announcements Current Assignments: HW 6-preclass : (due before class on Friday) • Ch 6, Ques. 11,13; Probs. 34,37,45,48,52,58,59 • due before class on Friday Upcoming assignments HW 6-final : (due 4:00 PM Tuesday) – quiz on friction, drag, circular motion this Friday Reading Quiz 7 (due Monday 9:15) Team Project: to be distributed on Friday Grades on web – homework 1-4, reading quizzes 1-5, quizzes 1-3, midterm – see course home page – keyed by last 4-digits of ID number – not shown if you checked “don’t post” on Intro to Webassign Lecture 10, 2/16/00 Phy1221 Winter 00 2 Centripetal Force Loop-the-loop top v r=0.20m Find minimum v top for the ball to say in the track mg W = N r v a 2 = Free Body diagram: Note: N cannot be negative
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2 Lecture 10, 2/16/00 Phy1221 Winter 00 3 Centripetal Force Example: an airplane turning in a horizontal arc: r v θ L mg W = a top view front view If v=500 km/h, and
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This note was uploaded on 07/08/2009 for the course PHY 1221 taught by Professor Staff during the Winter '00 term at Northeastern.

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lec10 - Course Announcements Current Assignments: HW...

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