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?
4 MINUTES REMAINING…
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?
3 MINUTES REMAINING…
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?
2 MINUTES REMAINING…
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?
1minute Remaining…
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?
30 Seconds Remaining…
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?
BELL- RINGER TIME IS UP!
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? a = (vf – vi)/ Δt = (0 – 30 m/s)/3 s a = -10 m/s 2 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) 1. What are the possible units of time? seconds, minutes, hours 2. What are the possible units of velocity? m/s, km/hr, mi/hr 3. What are the possible units of acceleration? m/s 2, ft/min 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 – xiv = 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 – xiv = 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/s 2
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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δx = xf – xiv = 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/s 2 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/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δx = xf – xiv = 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/s 2 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/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δx = xf – xiv = 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/s 2 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/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δx = xf – xiv = 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 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/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δt *a = (vf – vi) a a
Quiz Review (p. 4) 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s 2 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/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δt = (vf – vi) a
Quiz Review (p. 4) 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s 2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? Step 6: Substitute and solve. a = 5 m/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δt = (vf – vi) a
Quiz Review (p. 4) 6. Brittany is driving her car and takes off from a stop light with an acceleration of 5m/s 2 and maintains a constant acceleration until her final velocity is 25m/s. How long did it take? Step 6: Substitute and solve. a = 5 m/s 2 vf = 25 m/s vi = 0 m/s Δt = ? Δt = (vf – vi) = (25 – 0 m/s) = 5 s a 5 m/s 2
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 If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 1: Read the Problem, underline key quantities
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 1: Read the Problem, underline key quantities
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 2: Assign key quantities a variable
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 2: Assign key quantities a variable v = 45 km / hr Δt = 3 hrs
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 2: Assign key quantities a variable v = 45 km / hr Δt = 3 hrs
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 3: Identify the missing variable v = 45 km / hr Δt = 3 hrs
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 3: Identify the missing variable v = 45 km / hr Δt = 3 hrs Δx = ?
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 4: Choose the pertinent equation: v = 45 km / hr Δt = 3 hrs Δx = ? Δx = xf – xiv = Δx/Δt a = (vf – vi)/Δt
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 4: Choose the pertinent equation: v = 45 km / hr Δt = 3 hrs Δx = ? Δx = xf – xiv = Δx/Δt a = (vf – vi)/Δt
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 5: Solve for the missing variable. v = 45 km / hr Δt = 3 hrs Δx = ? v = Δx/Δt
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 5: Solve for the missing variable. v = 45 km / hr Δt = 3 hrs Δx = ? Δt * v = Δx * Δt Δt
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 5: Solve for the missing variable. v = 45 km / hr Δt = 3 hrs Δx = ? Δt * v = Δx * Δt Δt
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 5: Solve for the missing variable. v = 45 km / hr Δt = 3 hrs Δx = ? Δt * v = Δx
Quiz Review If the average velocity of a car is 20 km/hr, how far can it travel in 3 hrs? Show ALL of the steps we discussed in class Step 6: Substitute and solve.. v = 45 km / hr Δt = 3 hrs Δx = ? Δx = Δt * v = (20 km/hr)(3 hr) = 60 km