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Oct. 23, 2012. AGENDA: 1 – Bell Ringer 2 – Velocity Time Graphs 3 – Review of Quiz 2. Today’s Goal: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time . Homework 1. Pages 7-8. CHAMPS for Bell Ringer.

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## Oct. 23, 2012

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**Oct. 23, 2012**AGENDA: 1 – Bell Ringer 2 – Velocity Time Graphs 3 – Review of Quiz 2 Today’s Goal: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Homework 1. Pages 7-8**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!**Tuesday, Oct. 23rd (p. 15)**Objective: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Bell Ringer: 1. When you are stopped what is your velocity? 2. When your acceleration is positive describe what is happening to your velocity. 3. When your acceleration is negative describe what is happening to your velocity.**Tuesday, Oct. 23rd (p. 15)**Objective: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Bell Ringer: 1. When you are stopped what is your velocity? 2. When your acceleration is positive describe what is happening to your velocity. 3. When your acceleration is negative describe what is happening to your velocity.**Tuesday, Oct. 23rd (p. 15)**Objective: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Bell Ringer: 1. When you are stopped what is your velocity? 2. When your acceleration is positive describe what is happening to your velocity. 3. When your acceleration is negative describe what is happening to your velocity.**Tuesday, Oct. 23rd (p. 15)**Objective: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Bell Ringer: 1. When you are stopped what is your velocity? 2. When your acceleration is positive describe what is happening to your velocity. 3. When your acceleration is negative describe what is happening to your velocity.**Tuesday, Oct. 23rd (p. 15)**Objective: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Bell Ringer: 1. When you are stopped what is your velocity? 2. When your acceleration is positive describe what is happening to your velocity. 3. When your acceleration is negative describe what is happening to your velocity.**Tuesday, Oct. 23rd (p. 15)**Objective: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Bell Ringer: 1. When you are stopped what is your velocity? 2. When your acceleration is positive describe what is happening to your velocity. 3. When your acceleration is negative describe what is happening to your velocity.**Tuesday, Oct. 23rd (p. 15)**Objective: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Bell Ringer: 1. When you are stopped what is your velocity? 2. When your acceleration is positive describe what is happening to your velocity. 3. When your acceleration is negative describe what is happening to your velocity.**Shout Outs**Period 5 – Christopher Jordan Period 7 – Deon Burgess**Oct. 23, 2012**AGENDA: 1 – Bell Ringer 2 – Velocity Time Graphs 3 – Review of Quiz 2 Today’s Goal: Students will be able to construct velocity vs. time graphs & explain that acceleration is the change in velocity over time. Homework 1. Pages 7-8**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 Problems p. 5-8**C – Conversation – No Talking unless directed to work in groups H – Help – RAISE HAND for questions A – Activity – Solve Problems on Page 5-8 M – Materials and Movement – Pen/Pencil, Packet Pages 5-8 P – Participation – Complete Page 5-8 S – Success – Understand all Problems**Velocity Time Graphs (p. 5)**Write in A, B, C, D B C D A**Velocity Time Graphs (p. 5)**• ii. What is the distance / displacement covered in the first 5 seconds?**Velocity Time Graphs (p. 5)**Distance / displacement is area under the curve! • ii. What is the distance / displacement covered in the first 5 seconds?**Velocity Time Graphs (p. 5)**Distance / displacement is area under the curve! • ii. What is the distance / displacement covered in the first 5 seconds?**Velocity Time Graphs (p. 5)**Distance / displacement is area under the curve! • ii. What is the distance / displacement covered in the first 5 seconds? • Area = base * height / 2 = (5 s)(10 m/s)/2 = 25 m**Velocity Time Graphs (p. 5)**Acceleration is the slope a = (vf – vi)/Δt (5s, 10 m/s) (0s, 0 m/s) • iii. What is the acceleration during this time? • a = (vf – vi) • Δt**Velocity Time Graphs (p. 5)**Acceleration is the slope (5s, 10 m/s) (0s, 0 m/s) • iii. What is the acceleration during this time? • a = (vf – vi)= (10 m/s – 0 m/s) = 2 m/s2 • Δt 5 – 0 s**Velocity Time Graphs (p. 6)**1. What is the acceleration between t = 0s and t = 2s?**Velocity Time Graphs (p. 6)**What is the acceleration between t = 0s and t = 2s? a = (vf – vi) = (1 m/s – 0 m/s) = 1/2 m/s2 Δt 2 – 0 s**Velocity Time Graphs (p. 6)**2. What is the acceleration between t = 2s and t = 4s?**Velocity Time Graphs (p. 6)**2. What is the acceleration between t = 2s and t = 4s? a = (vf – vi) = (3 m/s – 1 m/s) = 2 m/s2 Δt 4 – 2 s**Velocity Time Graphs (p. 6)**3. What is the acceleration between t = 4s and t = 5s?**Velocity Time Graphs (p. 6)**4. What is the acceleration between t = 5s and t = 6s?**Velocity Time Graphs (p. 6)**5. Is the velocity increasing or decreasing? 6. Is the acceleration positive or negative? 7. Is the acceleration increasing or decreasing?**Velocity Time Graphs (p. 6)**5. Is the velocity increasing or decreasing? Increasing 6. Is the acceleration positive or negative? Positive 7. Is the acceleration increasing or decreasing? Increasing**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 = ?

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