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## Oct. 22 , 2012

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**Oct. 22, 2012**AGENDA: 1 – Bell Ringer 2 – Acceleration Review 3 – Mini Quiz 3 Today’s Goal: Students will be able to understand how to calculate acceleration using a step by step method Homework Study!!**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!**Monday, Oct. 22nd (p. 15)**Objective: Students will be able to understand how to calculate acceleration using a step by step method . Bell Ringer: 1. Your car is initially going 30 m/s and you come to a stop in 3 seconds. What is your acceleration? 2. What are the units of acceleration and what do they mean?**Monday, Oct. 22nd (p. 15)**Objective: Students will be able to understand how to calculate acceleration using a step by step method . Bell Ringer: 1. Your car is initially going 30 m/s and you come to a stop in 3 seconds. What is your acceleration? 2. What are the units of acceleration and what do they mean?**Monday, Oct. 22nd (p. 15)**Objective: Students will be able to understand how to calculate acceleration using a step by step method . Bell Ringer: 1. Your car is initially going 30 m/s and you come to a stop in 3 seconds. What is your acceleration? 2. What are the units of acceleration and what do they mean?**Monday, Oct. 22nd (p. 15)**Objective: Students will be able to understand how to calculate acceleration using a step by step method . Bell Ringer: 1. Your car is initially going 30 m/s and you come to a stop in 3 seconds. What is your acceleration? 2. What are the units of acceleration and what do they mean?**Monday, Oct. 22nd (p. 15)**Objective: Students will be able to understand how to calculate acceleration using a step by step method . Bell Ringer: 1. Your car is initially going 30 m/s and you come to a stop in 3 seconds. What is your acceleration? 2. What are the units of acceleration and what do they mean?**Monday, Oct. 22nd (p. 15)**Objective: Students will be able to understand how to calculate acceleration using a step by step method . Bell Ringer: 1. Your car is initially going 30 m/s and you come to a stop in 3 seconds. What is your acceleration? 2. What are the units of acceleration and what do they mean?**Monday, Oct. 22nd (p. 15)**Objective: Students will be able to understand how to calculate acceleration using a step by step method . Bell Ringer: • Your car is initially going 30 m/s and you come to a stop in 3 seconds. What is your acceleration? a = (vf – vi)/Δt = (0 – 30 m/s)/3 s a = -10 m/s2 2. What are the units of acceleration and what do they mean?**Shout Outs**Period 5 – Dionte Smith Period 7 – Davia Washington, Christopher Yates, Riccardo Tucker**Oct. 22, 2012**AGENDA: 1 – Bell Ringer 2 – Acceleration Review 3 – Mini Quiz 3 Today’s Goal: Students will be able to understand how to calculate acceleration using a step by step method Homework**Week 7**Weekly Agenda Monday – Review & Quiz 3 Tuesday – Velocity Time Graphs Wednesday – Metric System Thursday – Metric System Lab Friday – Quiz 4 Unit Test in 2 weeks!**CHAMPS for Quiz Review**C – Conversation – No Talking unless directed to work in groups H – Help – RAISE HAND for questions A – Activity – Solve Problems on Page 6-11 M – Materials and Movement – Pen/Pencil, Packet Pages 6-11 P – Participation – Complete Page 6-11 S – Success – Understand all Problems**Quiz Review (p. 4)**1. What are the possible units of time? _____________________________________ 2. What are the possible units of velocity? _____________________________________ 3. What are the possible units of acceleration? ___________________________________ 4. What is the difference between the units for velocity (m/s) and the units for acceleration (m/s2)? For example, a cheetah runs with a velocity of 9.8m/s, and an apple falls with an acceleration of 9.8m/s2.**Quiz Review (p. 4)**• What are the possible units of time? seconds, minutes, hours • What are the possible units of velocity? m/s, km/hr, mi/hr • What are the possible units of acceleration? m/s2, ft/min2 • 4. What is the difference between the units for velocity (m/s) and the units for acceleration (m/s2)?**Quiz Review (p. 4)**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.**Quiz Review(p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0 m/s and a final velocity of 6 m/s and it takes a total of 1.4 seconds, what is the acceleration?**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 1: Read the Problem, underline key quantities**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 1: Read the Problem, underline key quantities**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 2: Assign key quantities a variable**Solving Kinematics Problems**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 2: Assign key quantities a variable • vf = 6 m/s • vi = 0 m/s • Δt = 1.4 s**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 3: Identify the missing variable • vf= 6 m/s • vi = 0 m/s • Δt = 1.4 s**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 3: Identify the missing variable • vf= 6 m/s • vi = 0 m/s • Δt = 1.4 s • a = ?**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 4: Choose the pertinent equation: • vf= 6 m/s • vi = 0 m/s • Δt = 1.4 s • a = ? • Δx = xf – xi v = Δx/Δt a = (vf – vi)/Δt**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 4: Choose the pertinent equation: • vf= 6 m/s • vi = 0 m/s • Δt = 1.4 s • a = ? • Δx = xf – xi v = Δx/Δt a = (vf – vi)/Δt**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 5: Solve for the missing variable • vf= 6 m/s • vi = 0 m/s • Δt = 1.4 s • a = ? • a = (vf – vi)/Δt**Quiz Review (p. 4)**• 5. If a ball rolls down a ramp with a starting velocity of 0m/s and a final velocity of 6m/s and it takes a total of 1.4 seconds, what is the acceleration? • Step 6: Substitute and solve. • vf= 6 m/s • vi = 0 m/s • Δt = 1.4 s • a = ? • a = (vf – vi)/Δt = (6 m/s – 0 m/s)/1.4 s = 4.29 m/s2**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.**Quiz Review (p. 6)**• 6 . Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take?**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 1: Read the Problem, underline key quantities**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 1: Read the Problem, underline key quantities**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 2: Assign key quantities a variable**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 2: Assign key quantities a variable • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s**Quiz Review (p. 6)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 2: Assign key quantities a variable • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 3: Identify the missing variable • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 3: Identify the missing variable • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ?**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 4: Choose the pertinent equation • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • Δx = xf – xi v = Δx/Δt a = (vf – vi)/Δt**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 4: Choose the pertinent equation • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • Δx = xf – xi v = Δx/Δt a = (vf – vi)/Δt**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 4: Choose the pertinent equation • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • Δx = xf – xi v = Δx/Δt a = (vf – vi)/Δt**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 5: Solve for the missing variable. • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • Δx = xf – xi v = Δx/Δt a = (vf – vi)/Δt**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 5: Solve for the missing variable. • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • a = (vf – vi)/Δt**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 5: Solve for the missing variable. • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • Δt *a = Δt * (vf– vi) • Δt**Quiz Review (p. 6)**• 2. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 5: Solve for the missing variable. • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • Δt *a = (vf– vi)**Quiz Review (p. 4)**• 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? • Step 5: Solve for the missing variable. • a = 5 m/s2 • vf = 25 m/s • vi = 0 m/s • Δt = ? • Δt *a = (vf– vi) • a a