Physics A. August 15, 2012 Agenda Turn in: Signed Class Contract. Label the top right corner with your name and period #. Syllabus Review (continued) Quiz 1: Syllabus Safety Video. HW: 1.Visit my website. Print out the Safety Contract. Have it signed. Due next Tuesday. 2.Cornell Notes Ch pg 2-8. Include a sketch of Figure 1.4

Physics A. August 17, 2012 Agenda Turn in: 1/2 pg summary of UCLA Lab-Accident Article Assessment: Math Pretest Lecture: Scalars, Vectors, and Motion in 1 Dimension. Group Activity: Scalars Multi Media: The Powers of Ten HW: 1.Visit my website and do the exercises posted. 2.Identify two careers that require a strong physics background. How much money do they pay?? Reminders: Visit my website. Print out the Safety Contract. Have it signed. Due next Tuesday.

Physics A. August 21, 2012 Agenda Turn in: Safety Contracts Field Trip: We get our textbooks today:) Lecture: Vectors in 2 D (if we have time) HW: 1.Identify two careers that require a strong physics background. How much money do they pay?? Reminders: Quiz 1 this Friday (Know Difference between Scalars and Vectors. Know Difference between distance and displacement)

Physics A. August 22, 2012 Agenda Turn in: 2 Careers that require physics Warm Up: Lec: Vectors in 2 D (Finish) Group Activity: Vector Operations Lec: Velocity and Acceleration HW: Section Review pg 85 (ALL) Practice A, pg 89 (ALL) Reminders: Quiz 1 this Friday

Warm Up 1.A squirrel chasing another squirrel runs 3 meters East, then runs back 5 meters west. a.What was the distance the squirrel traveled? ans: 8 meters b. What was the squirrel’s displacement? ans: -2 meters

Physics A. August 24, 2012 Agenda Turn in: SR pg 85, and Practice A pg 89 Review Quiz 1: Vectors and Displacement Lec: Vector Velocity and Acceleration Group Activity: Practice A (pg 44) and Practice B (pg 49) HW: Section Review #1-6, pg 47 CN pg (2pg minimum)

Physics A. August 28, 2012 Agenda Turn in: Section Review #1-6, pg 47 (due tomorrow) CN pg (Have Ready) Lec: Vector Velocity and Acceleration (Review) Group Activity: Practice A (pg 44) and Practice B (pg 49) HW: Finish Practice A and Practice B Section Review #1-6, pg 47

Physics A. August 29, 2012 Agenda Turn in: Practice A, pg 44 Group Activity: Practice B (pg 49) HW: Finish Practice B (pg 49) Section Review #1-6, pg 47 Finish Practice C (pg 53)

Answers Practice A pg km to the east km m to the north h h 6.a. 6.4 h; b. 77 km/h to the south

Answers Practice B (pg 49) s s s x10 -3 m/s 2 5.a.1.4 m/s; b. 3.1 m/s

Sample Problem A racing car reaches a speed of 42 m/s. It then begins a uniform negative acceleration, using its parachute and braking system, and comes to rest 5.5 s later. Find the distance that the car travels during braking.

Physics A. Sept 4, 2012 Agenda Turn in: Practice B (pg 49) Section Review #1-6, pg 47 Practice C (pg 53) Group Activity: Motion in 1 D Review Lec: Velocity and Displacement with Constant Acceleration. HW: Conceptual Challenge 1-3 (bottom of pg 50)

Physics A. Sept 5, 2012 Agenda Assign Seats Turn in: Conceptual Challenge 1-3 pg 50 Warm up: Group Activity: Practice D, pg 55 Lec: Final velocity after any displacement. Group Activity: Practice E, pg 58 HW: Section Review #1-6, pg 59 Reminders: 1.Study for Quiz: Displacement, Velocity, Acceleration. 2.Bring TEXTBOOKS to class EVERYDAY!!

Warm Up A car with an initial speed of 6.5 m/s accelerates at a uniform rate of 0.92 m/s2 for 3.6 s. Find the final speed and the displacement of the car during this time. Answer: 9.8 m/s; 29 m

Sample Problem A person pushing a stroller starts from rest, uniformly accelerating at a rate of m/s 2. What is the velocity of the stroller after it has traveled 4.75 m?

Practice D, Answers m/s ; 29 m m/s ; 59.0 m m/s; 19 m s; 32 m