Which word of the week does this represent?

AP physics

In:How can we describe, measure and predict

motion?

ObjectiveTo continue to build an understanding of motion vocabulary and equations.

Success criteria:Measure each of the motion variables.

Word sortAs a group, sort the kinematics words in an

organized way.Be prepared to explain your organization to

the group.How is it organized?Why did you organize it this way?What do the words mean?

Words: Definition: DisplacementVelocity:

ConstantAverageInstantaneous

AccelerationConstant AverageInstantaneous

Displacement:

Change in positionChange = Δ

Δ = last - first

Problem:Sonia walks her dog 5 blocks north, 4 blocks east, 6 blocks south and 4 blocks west. What is her (and her dog’s) displacement?

VelocityDisplacement/time

SpeedDistance/time

Average velocity: Total trip displacementtotal trip time

Constant velocity

Instantaneous velocity

Problem:During a race, Andra runs with an average velocity of 6.02 m/s to the east. What is Andra’s displacement after 137 s?

Problem:Homer Simpson drives his car with an average

velocity of 48 km/h to the east. How long will it take him to drive 144 km on a straight highway?

AccelerationChange in velocity per

time

Δ V/t

Constant acceleration

Average acceleration

Instantaneous acceleration

A car goes from 50 m/s to 30 m/s in 4 seconds. What was the average acceleration?

Exploration: MotionUsing the given materials measure:

DisplacementVelocity

Constant velocity Average velocity Instantaneous velocity

Acceleration Constant acceleration Average acceleration Instantaneous acceleration

Write up:

For each quantity:

Name of quantity: (this is the quantity measured)

Procedure: (How did you measure this. A diagram is valuable)

Calculations:(any needed to find that quantity.)

SynthesisPicture

I own I don’t understand

Out:A policeman stops you for speeding. What

quantity is he measuring?