Physics131_L04outoftown

Physics131_L04outoftown - Physics 131 - Mechanics J a nua...

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Physics 131 - Mechanics Lecture 4   vectors Ja nua ry 14, 2009 Homeyra Sadaghiani
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January 14, 2009 Physics 131 - Lecture 4 2 Announcements  Homework #2 has been posted and is due 8:59 AM on  Wednesday Jan. 21 th .  We will have a  quiz  from Chapters 1-3 on Friday the 16 th . I&IT Learning has scheduled student orientation/training sessions on how to use Blackboard at Studio6 is located in Bldg.98 C6-13. Today, 2:00, 3:00, 4:00, 5:00, and 6:00 p.m. Thursday, January 15, 10:00 & 11:00 a.m., 12:00 noon, and 2:00 p.m.
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Week Date L# Lecture topic Text reading HW 1 5-Jan 1 Description of course structure, preliminary assessment 7-Jan 2 Motion, position, velocity, acceleleration, units 1.1-8 (26 P) HW#0 9-Jan 3 One-dimensional motion 2.1-3 (14 P) 2 12-Jan 4 Constant acceleration 2.4-7 (14 P)   14-Jan 5 Vectors 3.1-4 (13 P) HW#1   16-Jan 6 Two- dimensional motion   3 19-Jan H1 Holiday (Martin Luther King's Birthday)   21-Jan 7 Circular and relative motion 4.3-7 (14 P) HW#2   23-Jan 8 Force, mass, inertial frames 5.1-4 (11 P)   4 26-Jan 9 Newton’s first & second Law 5.5-7 (8 P) 28-Jan R1 Review 1 HW#3 30-Jan E1 EXAM 1- Chapters 1, 2, 3, 4, and 5 January 14, 2009 Physics 131 - Lecture 4 3 Le c ture  S c he dule   We are here! PHYS 131-08 Schedule  WI 09   Prof. Homeyra Sadaghiani- MWF 9:00-9:50 A.M. 3-2870
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A ball is launched vertically upward from ground level with an initial velocity of 30 m/s. How much time does it take before it lands on the ground? Use |g|=10 m/s 2 . A. 2 s B. 3 s C. 4s D. 6 s E. None of the above. 30 m/s + y 10020004_1 Clicker Question 1a January 14, 2009 4 Physics 131 - Lecture 4
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A ball is launched vertically upward from ground level with an initial velocity of 30 m/s. What maximum altitude does it reach above the ground? Use |g|=10 m/s 2 . A. 20 m B. 50 m C. 45 m D. 60 m E. None of the above. 10020004v2_2 30 m/s + y Clicker Question 1b January 14, 2009 5 Physics 131 - Lecture 4
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January 14, 2009 Physics 131 - Lecture 4 6 Upon graduation, a joyful student throws her cap straight up in the air with an initial speed of 14.7 m/s. Given that its acceleration has a magnitude of 9.81 m/s 2 and is directed downward (we neglect air resistance), (a) When does the cap reach its highest point? (b) What is the distance to the highest point? (c) Assuming the cap is caught at the same height it was released, what is the total time that the cap is in flight? Example: The Flying Cap 1. Draw the cap (as a dot) in its various positions. 2. (a) Use the time, velocity and acceleration relation. 3. Does the answers seem reasonable?
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January 14, 2009 Physics 131 - Lecture 4 7 Upon graduation, a joyful student throws her cap straight up in the air with an initial speed of 14.7 m/s. Given that its acceleration has a magnitude of 9.81 m/s 2 and is directed downward (we neglect air resistance), (a) When does the cap reach its highest point? (b) What is the distance to the highest point?
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This note was uploaded on 10/24/2010 for the course PHY PHYSICS 13 taught by Professor Mylander during the Spring '09 term at Cal Poly Pomona.

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Physics131_L04outoftown - Physics 131 - Mechanics J a nua...

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