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Friday 11/14/14 Unit 3 Chapter 11 Day 1 OBJECTIVE: Identify frames of reference and describe motion. Distinguish distance vs. displacement. Calculate displacement using vector addition Do Now: Chapter 11 Vocabulary Today: Exploring Distance vs. Displacement Distance vs. Displacement Questions Video Field Trip – Chapter 11 Homework: Chapter 11.1 GRWS New Unit New Notebook New Table of Contents

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Monday 11/17/14 Unit 3 Chapter 11 Day 2 OBJECTIVE: Interpret Distance Time Graphs. Calculate average speed. Do Now: Distance and Displacement review Today: Homework 11.1 GRWS - check and review Calculating Average Speed Speed Machines Average Speed worksheet Homework: Chapter 11.2 GRWS

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**Unit 3 Chapter 11 Day 3 OBJECTIVE:. Interpret distance-time graphs**

Unit 3 Chapter 11 Day 3 OBJECTIVE: Interpret distance-time graphs. Investigate Average Speed Tuesday 11/18/14 Do Now: The Amazing Albert Maze Today: Homework 11.2 GRWS - check and review Using Science Skills – Distance Time Graphs The Bus Stop Start Speed Challenge Lab Homework: Free Night

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**Unit 3 Chapter 11 Day 4 OBJECTIVE:**

Unit 3 Chapter 11 Day 4 OBJECTIVE: Interpret speed and acceleration graphs. Investigate Average Speed, Velocity and Acceleration. Wednesday 11/19/14 Do Now: More Average Speed practice Today: (core 3 ) Journey to the Bus Stop Start Acceleration packet and problems Speed Challenge Lab Homework: Finish Speed Challenge Lab Chapter 11.3 GRWS

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**Suzette’s Sprint to Science**

It is now 8:59 am, but when the bell rings at 9:00 am Suzette will be late for Science class for the third time this week. She must get from one side of the school to the other by hurrying down three different hallways. She runs down the first hallway, a distance of 35.0 m, at a speed of 3.50 m/s. The second hallway is filled with students, and she covers its 48.0 m length at an average speed of 1.20 m/s. The final hallway is empty, and Suzette spring its 60.0 m length at a speed of 5.00 m/s

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**Unit 3 Chapter 11 Day 5 OBJECTIVE:**

Unit 3 Chapter 11 Day 5 OBJECTIVE: Interpret speed and acceleration graphs. Investigate Average Speed, Velocity and Acceleration. Thursday 11/20/14 ½ day Do Now: Forces and Motion Word Search Today: Homework 11.3 GRWS - check and review Acceleration packet and problems Homework: Acceleration worksheet

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**Unit 3 Chapter 11 Day 5 1/2 OBJECTIVE:**

Unit 3 Chapter 11 Day 5 1/2 OBJECTIVE: Interpret speed and acceleration graphs. Investigate Average Speed, Velocity and Acceleration. Friday 11/21/14 ½ day Do Now: Walking through these motion graphs….. Today: Homework check and review (core 3 ) Finish Speed Challenge Lab Homework: Formula Challenge worksheet

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**Describe Walking through these motion graphs…..**

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**Unit 3 Chapter 11 Day 6 Do Now: Today: Homework:**

OBJECTIVE: Interpret speed and acceleration graphs. Investigate Average Speed, Velocity and Acceleration. Monday 11/24/14 ½ day Do Now: Word Wise Chap 11 TURN IN Formula Challenge Today: Velocity and Acceleration Graphs Chapter 11 Notes – Motion Homework: Textbook pg 352 #25-31

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**Unit 3 Chapter 11 Day 6 1/2 Do Now: ? Today: Homework:**

OBJECTIVE: Interpret speed and acceleration graphs. Investigate Average Speed, Velocity and Acceleration. Tuesday 11/25/14 ½ day Do Now: ? Today: CSI: Bullets a Flyin’ Study Guide and problems Homework: Study Guide and problems… Due Monday 12/1/14

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**GEO BEE 11/26/14 Do Now: Today: Homework: Thanksgiving Puzzles**

Geography Bee Preliminary Rounds… Select 2 students per class Homework: Study Guide and problems… Due Monday 12/1/14

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**Unit 3 Chapter 11 Day 7 Do Now: R & R Motion Today: Homework:**

OBJECTIVE: Interpret speed and acceleration graphs. Investigate Average Speed, Velocity and Acceleration. Monday 12/01/14 Do Now: R & R Motion Today: Study Guide questions and problems 20 Questions Review game Homework: Study for Quiz

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**Unit 3 Chapter 11 Day 8 Do Now: Do Now folder – 7 pages**

Tuesday 12/02/14 Unit 3 Chapter 11 Day 8 OBJECTIVE: Demonstrate knowledge of Frame of Reference, Distance vs Displacement, Average Speed, Velocity and Acceleration. Do Now: Do Now folder – 7 pages Clear your desks. Get a calculator. Today: Chapter 11 Quiz Notebook – 18 pages Homework:

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**Displacement along a line**

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**Calculating Average Speed**

Section 11.2

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**a. speed (or direction) b. direction (or speed) c. m/s2**

Section 11.3

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**Measuring Acceleration**

Section 11.3

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**Distance-Time Graphs for Motion of Three Cars**

Section 11.2

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**Distance-Time Graph of Accelerated Motion**

Figure 18

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Speed-Time Graphs Figures 16 and 17

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**PHYSICS UNIT Chapter 11 - Motion**

Chapter Summary PHYSICS UNIT Chapter Motion

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Frame of Reference A frame of reference is necessary to describe motion accurately FoR is a system of objects not moving with respect to one another Relative motion describes movement from different FoRs Ex: Looking at someone sitting next to you in a car vs. someone standing on the street corner watching the car vs. the billboard across the street

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**Distance vs Displacement**

Distance is the total length of the path between two points Displacement is a vector describing the ending point compared to the starting point. It includes: The direction from starting point The length of a straight line from the starting point to the ending point The SI unit for length is the meter (m)

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Solve… A caterpillar travels 5 m east, 2 m north, 7 meters west, and 3 m south. a. What is the caterpillar’s total distance? b. What is the caterpillar’s displacement? 2. A science textbook is moved once around the perimeter of a table that is 1m by 2m and ends up in its initial position. a. What is the books total distance? b. What is the book’s displacement?

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Average Speed Speed is the change in distance divided by the change in time V= D T Variations of the formula T= D and D=V x T V Units of SPEED and VELOCITY are m/s The SI unit for time is second (s) Instantaneous Speed is how fast a speed is changing at a specific instant (speedometer)

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**Velocity Velocity is a vector.**

To describe a vector you must have both a magnitude (some kind of number) and a direction Ex : 5 m south, 10 km left, inches forward Circular paths experience a continuous change in velocity because the direction is constantly changing

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**Velocity Combine velocities by vector addition**

If both are in the same direction ADD If they are in different directions SUBTRACT

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Solve… Headwind Tailwind

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**Solve… A runner completes a 10.0 km race in exactly 30 minutes.**

What is the runner’s average speed in km/min? What is the runner’s average speed in km/hr? When the outdoor emergency warning siren at Cheryl’s school was tested, the sound from the siren took 7 s to reach her house located 2.4 km from the school. What is the speed of the sound of the siren in m/s?

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**Graphs Distance Time graphs show speed (m/s) and are linear graphs.**

The slope of the line (rise/run) is the speed A Speed Time graph shows acceleration (m/s2) Nonlinear (curved) graphs show changing acceleration

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Graphs Section 11.2

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Acceleration Acceleration is ANY change in speed or direction (any change in velocity) Acceleration can be positive (speeding up) Or negative (slowing down) Or a result of changing direction (turning) Instantaneous Acceleration is how fast a velocity is changing at a specific instant

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**Acceleration Acceleration of Gravity (Free Fall) is 9.8 m/s2**

Acceleration is the change in velocity divided by the change in time a = (Vf – Vi) T Units of Acceleration are m/s2 Acceleration of Gravity (Free Fall) is 9.8 m/s2

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Solve… An elevator is moving upward with a speed of 11 m/s. Three seconds later, the elevator is still moving upward but its speed has been reduced to 5 m/s. What is the elevator’s acceleration? A plane starts to take off from a runway at 70 km/hr. It take the plane 30 seconds to get to that speed. What is the plane’s acceleration?

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**a. What is the Girl Scout’s total distance? **

Quick Chapter 11 Quiz Problem Review… SHOW ALL YOUR WORK and INCLUDE THE CORRECT UNITS 1. Distance and Displacement An ambitious girl scout planned her cookie selling route: from her home she walked 5 blocks east, 2 blocks north, 7 blocks west, 3 blocks south, 3 blocks east and 1 block north. a. What is the Girl Scout’s total distance? b. What is the Girl Scout’s displacement from her home?

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**Quick Chapter 11 Quiz Problem Review… SHOW ALL YOUR WORK and INCLUDE THE CORRECT UNITS**

2. Average Speed What is the average speed of a helicopter that flies 50 km in 20 minutes and then 30 km in 10 minutes? 3. Acceleration An elevator is moving upward with a speed of 16m/s. Four seconds later, the elevator stops on the sixteenth floor. What was the elevator’s acceleration?

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**Chapter 11 Formulas Average Speed Acceleration**

V = D D = T * V T = D T V Acceleration A = (Vf – Vi) T = (Vf-Vi) T A Show your work! Include units!

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