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## Oct. 18, 2012

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**Oct. 18, 2012**AGENDA: 1 – Bell Ringer 2 – Acceleration Lab 3 – Acceleration Lab Analysis Today’s Goal: Students will be able to understand calculate acceleration from position and time data Homework • Acceleration Lab Analysis (p. 18-20) • Quiz Tomorrow**CHAMPS for Bell Ringer**C – Conversation – No Talking H – Help – RAISE HAND for questions A – Activity – Solve Bell Ringer on binder paper. Homework out on desk M – Materials and Movement – Pen/Pencil, Notebook or Paper P – Participation – Be in assigned seats, work silently S – Success – Get a stamp! I will collect!**Thursday , Oct. 18th(p. 22)**Objective: Students will be able to understand calculate acceleration from position and time data Bell Ringer: 1. How do you calculate velocity from position time data? 2. How do you calculate acceleration from knowing an initial and final velocity and a time**Thursday , Oct. 18th(p. 22)**Objective: Students will be able to understand calculate acceleration from position and time data Bell Ringer: 1. How do you calculate velocity from position time data? 2. How do you calculate acceleration from knowing an initial and final velocity and a time**Thursday , Oct. 18th(p. 22)**Objective: Students will be able to understand calculate acceleration from position and time data Bell Ringer: 1. How do you calculate velocity from position time data? 2. How do you calculate acceleration from knowing an initial and final velocity and a time**Thursday , Oct. 18th(p. 22)**Objective: Students will be able to understand calculate acceleration from position and time data Bell Ringer: 1. How do you calculate velocity from position time data? 2. How do you calculate acceleration from knowing an initial and final velocity and a time**Thursday , Oct. 18th(p. 22)**Objective: Students will be able to understand calculate acceleration from position and time data Bell Ringer: 1. How do you calculate velocity from position time data? 2. How do you calculate acceleration from knowing an initial and final velocity and a time**Thursday , Oct. 18th(p. 22)**Objective: Students will be able to understand calculate acceleration from position and time data Bell Ringer: 1. How do you calculate velocity from position time data? 2. How do you calculate acceleration from knowing an initial and final velocity and a time**Thursday , Oct. 18th(p. 22)**Objective: Students will be able to understand calculate acceleration from position and time data Bell Ringer: 1. How do you calculate velocity from position time data? 2. How do you calculate acceleration from knowing an initial and final velocity and a time**Shout Outs**Period 5 – Nana Jenkins Period 7 – Jasmine Thomas, Montanez Arnold**Oct. 18, 2012**AGENDA: 1 – Bell Ringer 2 – Acceleration Lab 3 – Acceleration Lab Analysis Today’s Goal: Students will be able to understand calculate acceleration from position and time data Homework • Acceleration Lab Analysis • (p. 18-20) • Quiz Tomorrow**Week 6**Weekly Agenda Monday – Acceleration Tuesday – Acceleration Wednesday – Acceleration & Results Section of Labs Thursday – Acceleration Lab Friday – Quiz # 3**CHAMPS for Labs**C – Conversation – Talk to your group no louder than a whisper H – Help – RAISE HAND for questions A – Activity – Take Position Time Data M – Materials and Movement – Pen/Pencil, Packet Pages 18-21 P – Participation – Complete Page 18-21 S – Success – Understand how to calculate acceleration**Lab Analysis (p. 18)**• Record your time data below • a. 0m to 1m ____________ • b. 0m to 2m ____________ • c. 0m to 3m ____________ • d. 0m to 4m ____________ • e. 0m to 5m ____________**Lab Analysis (p. 18)**• 4. Record your time data below • a. 0m to 1m 1s • b. 0m to 2m 1.25 s • c. 0m to 3m 2.03 s • d. 0m to 4m 2.28 s • e. 0m to 5m 2.35 s**Lab Analysis (p. 18-19)**• Analysis: • 5. Calculate the instantaneous speed at the following distances • f. 1m ____________ (1/a) • g. 2m ____________ (2/b) • h. 3m ____________ (3/c) • i. 4m ____________ (4/d) • j. 5m ____________ (5/e)**Lab Analysis (p. 18-19)**• Analysis: • 5. Calculate the instantaneous speed at the following distances • f. 1m 1 m / 1 s = 1m/s (1/a) • g. 2m 2 m / 1.25 s = 1.6 m/s(2/b) • h. 3m 3 m / 2.03 s = 1.48 m/s (3/c) • i. 4m 4 m / 2.28 s = 1.75 m/s (4/d) • j. 5m 5 m / 2.35 s = 2.13 m/s (5/e) Now you do it!**Lab Analysis (p.19)**• Analysis: • 6. Calculate the time between each of the following distances • k. 1m to 2m ________________ (b – a) • l. 2m to 3m ________________ (c- b) • m. 3m to 4m _________________ (d – c) • n. 4m to 5m __________________ (e – d)**Lab Analysis (p.19)**• Analysis: • 6. Calculate the time between each of the following distances • k. 1m to 2m 1.25 – 1.00 = 0.25s(b – a) • l. 2m to 3m 2.03 – 1.25 = .78s (c- b) • m. 3m to 4m 2.28 – 2.03 = .25 s(d – c) • n. 4m to 5m 2.35 – 2.28 s = .07 s (e – d) Now you do it!**Lab Analysis (p.19)**• Analysis: • Calculate the acceleration for the following distances • 1m to 3m ____________ (h – f/k + l) • 2m to 4m ____________ (i – g/l + m) • 3m to 5m ____________ (j - h/m + n)**Lab Analysis (p.19)**• Calculate the acceleration for the following distances • 1m to 3m (1.48 – 1 m/s) / (0.25 + .78 s) = .47 m/s2(h – f/k + l) • 2m to 4m ____________ (i – g/l + m) • 3m to 5m ____________ (j - h/m + n) • Now you do it!**Solving Kinematics Problems**Step 1: Read the Problem, underline key quantities Step 2: Assign key quantities a variable Step 3: Identify the missing variable Step 4: Choose the pertinent equation:Step 5: Solve for the missing variable. Step 6: Substitute and solve.**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time?**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 1: Read the Problem, underline key quantities**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 1: Read the Problem, underline key quantities**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 2: Assign key quantities a variable**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 2: Assign key quantities a variable Vf = 40 m/s Vi = 0 m/s Δt = 7s**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 3: Identify the missing variable Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ?**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 4: Choose the pertinent equation: Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? Δx = xf – xi V = Δx/Δt a = (vf – vi)/Δt**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 4: Choose the pertinent equation: Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? Δx = xf – xi V = Δx/Δt a = (vf – vi)/Δt**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 4: Choose the pertinent equation: Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? Δx = xf – xi V = Δx/Δt a = (vf – vi)/Δt**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 5: Solve for the missing variable. Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? a = (vf – vi)/Δt**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 6: Substitute and solve. Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? a = (vf – vi)/Δt**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 6: Substitute and solve. Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? a = (vf – vi)/Δt = (40 – 0 m/s)/7 s = 5.71 m/s2**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 5: Solve for the missing variable. Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? a = (vf – vi)/Δt**Solving Kinematics Problems**9. While drag racing out of our school parking lot, I time myself at a speed of 40 meters per second seven seconds after starting. What was my acceleration during this time? Step 5: Solve for the missing variable. Vf = 40 m/s Vi = 0 m/s Δt = 7s a = ? a = (vf – vi)/Δt**Solving Kinematics Problems**Step 1: Read the Problem, underline key quantities Step 2: Assign key quantities a variable Step 3: Identify the missing variable Step 4: Choose the pertinent equation:Step 5: Solve for the missing variable. Step 6: Substitute and solve.**Solving Kinematics Problems**• 14. Use the following graph to answer the following questions about the acceleration of Bob the Pickup: • a. What is the acceleration of Bob the Pickup in the first 10 minutes that the graph shows us?**Solving Kinematics Problems**• 14. Use the following graph to answer the following questions about the acceleration of Bob the Pickup: • a. What is the acceleration of Bob the Pickup in the first 10 minutes that the graph shows us? • Step 1: Read the Problem, underline key quantities