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Nov. 7th AGENDA: 1 – Bell Ringer 2 – Free Fall Acceleration 3 – Exit Ticket Today’s Goal: Students will be able to explain how free fall acceleration occurs. Homework
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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!
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Nov. 7th Objective: Students will be able to explain how free fall acceleration occurs. Bell Ringer: 1. What do you think accelerates downwards faster when you drop it: a feather or a hammer? Explain why you think so. 2. Are there any situations in which you would think the opposite happens?
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4 MINUTES REMAINING…
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Nov. 7th Objective: Students will be able to explain how free fall acceleration occurs. Bell Ringer: 1. What do you think accelerates downwards faster when you drop it: a feather or a hammer? Explain why you think so. 2. Are there any situations in which you would think the opposite happens?
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3 MINUTES REMAINING…
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Nov. 7th Objective: Students will be able to explain how free fall acceleration occurs. Bell Ringer: 1. What do you think accelerates downwards faster when you drop it: a feather or a hammer? Explain why you think so. 2. Are there any situations in which you would think the opposite happens?
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2 MINUTES REMAINING…
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Nov. 7th Objective: Students will be able to explain how free fall acceleration occurs. Bell Ringer: 1. What do you think accelerates downwards faster when you drop it: a feather or a hammer? Explain why you think so. 2. Are there any situations in which you would think the opposite happens?
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1minute Remaining…
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Nov. 7th Objective: Students will be able to explain how free fall acceleration occurs. Bell Ringer: 1. What do you think accelerates downwards faster when you drop it: a feather or a hammer? Explain why you think so. 2. Are there any situations in which you would think the opposite happens?
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30 Seconds Remaining…
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Nov. 7th Objective: Students will be able to explain how free fall acceleration occurs. Bell Ringer: 1. What do you think accelerates downwards faster when you drop it: a feather or a hammer? Explain why you think so. 2. Are there any situations in which you would think the opposite happens?
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BELL- RINGER TIME IS UP!
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Nov. 7th Objective: Students will be able to explain how free fall acceleration occurs. Bell Ringer: 1. What do you think accelerates downwards faster when you drop it: a feather or a hammer? Explain why you think so. 2. Are there any situations in which you would think the opposite happens?
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Shout Outs Period 5 – Period 7 –
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Nov. 7th AGENDA: 1 – Bell Ringer 2 – Free Fall Acceleration 3 – Exit Ticket Today’s Goal: Students will be able to explain how free fall acceleration occurs. Homework
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Week 9 Weekly Agenda Monday – Tuesday – Wednesday – Thursday – Friday –
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CHAMPS for 11/7 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
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Free Fall When you are in free fall: Is your velocity changing? Are you accelerating?
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Free Fall When you are in free fall: Is your velocity changing? Are you accelerating? All objects on earth accelerate downward at -9.81 m/s 2
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground.
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground.
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground.
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. vi = 0 m/s Δx = -8.52 m Δt = ? a = -9.81 m/s 2
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Notes: Kinematic Equations The Four Kinematic Equations: v f = v i + a Δ t Δx = v i Δt + aΔt 2 2 v f 2 = v i 2 + 2a Δx Δx = (v f + v i )Δt 2
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Notes: Kinematic Equations The Four Kinematic Equations: v f = v i + a Δ t Δx = v i Δt + aΔt 2 2 v f 2 = v i 2 + 2a Δx Δx = (v f + v i )Δt 2
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. vi = 0 m/s Δx = -8.52 m Δt = ? a = -9.81 m/s 2 Δx = v i Δt + aΔt 2 2
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. vi = 0 m/s Δx = -8.52 m Δt = ? a = -9.81 m/s 2 Δx = v i Δt + aΔt 2 2
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. vi = 0 m/s Δx = v i Δt + aΔt 2 2 -8.52 = -9.81 Δt 2 2
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. vi = 0 m/s Δx = v i Δt + aΔt 2 2 -8.52 = -9.81 Δt 2 2 -8.52 = -4.95 Δt 2
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. vi = 0 m/s Δx = v i Δt + aΔt 2 2 -8.52 = -9.81 Δt 2 2 -8.52 = -4.95 Δt 2 1.72 = Δt 2
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Example Theodore drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. vi = 0 m/s Δx = v i Δt + aΔt 2 2 -8.52 = -9.81 Δt 2 2 -8.52 = -4.95 Δt 2 1.72 = Δt 2 1.32 s = Δt
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Example Rex Things throws his mother's crystal vase vertically upwards with an initial velocity of 26.2 m/s. Determine the height to which the vase will rise above its initial height.
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