c5, k1, k2

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Do Now

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Objectives C5, K1, K2AP Physics C: Mechanics

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Agenda

1. Review Do Now (5 min)

2. Objective Tracker (5 min)

3. Return Assessments (5 min)4. Tracking Wall (5 min)

5. OBJ C5 (20 min)

6. OBJ K1 (20 min)

7. OBJ K2 (20 min)

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Assessments

Assessment Data:

Average: 74%

Median: 70%Mode: 64%

Come in and do better!

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C5: Solve a differential equation using the 

separation of  variables method of  integration.

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C5: Solve a differential equation using the 

separation of  variables method of  integration.

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C5: Solve a differential equation using the 

separation of  variables method of  integration.

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K1: Define and apply the concepts of  

position, distance, and displacement.

Defn:

Distance = total length of  travel.

(Unit: meter)

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K1: Define and apply the concepts of  

position, distance, and displacement.

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K1: Define and apply the concepts of  

position, distance, and displacement.

Situation 1: You go to your f riends 

house.

Situation 2: You go to your f riends 

house but stop at the grocery store 

to buy Popcorn f or the physics movie.

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

You drive 4.00 mi at 30.0 mi/h and

then another 4.00 mi 50.0 mi/h. Is 

your average speed f or the 8.00 mi 

trip greater than, less than, or equal

to 40.0 mi/h?

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

An athlete sprints 50.0 m in 8.00 s,

stops, and then walks slowly back to

the starting line in 40.0 s. If  the sprint 

direction is taken to be positive, what

are the average sprinting velocity,

average walking velocity, and average

velocity f or the trip?

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

Graphical interpretation:

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

Graphical interpretation:

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

Graphical Interpretation:

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

Numerical Interpretation:

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K2: Define and apply the concepts of average

and instantaneous speed and velocity.

Is the instantaneous velocity at 

t=0.500s greater than, less than, or

equal to the instantaneous velocity at 

t=1.000s?

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Relation to Calculus

Instantaneous velocity is determined with the 

derivative of  position.

Average velocity is obtained with the « old »

method of xs and ys.