Following Distance and Models of Motion. August 30, 2011 HW: Finish Speed Machines  Do Now (NB pg 10 )  WDYS  WDYT  TB pg. 34  Success Criteria:

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Presentation transcript:

Following Distance and Models of Motion

August 30, 2011 HW: Finish Speed Machines  Do Now (NB pg 10 )  WDYS  WDYT  TB pg. 34  Success Criteria:  Define and Contrast average speed and instantaneous speed  Use strobe photos, graphs, and an equation to describe speed  Use a motion detector to describe speed  Construct graphs of your own motion  Interpret distance-time graphs  Calculate speed, distance and time using the equation s=d/t  Agenda  Do Now  Success Criteria  Investigate  The Moving Man (#4-6)  Physics Talk (pg )  Notes  Practice Problems (Speed Machines)  Speed Relay  WDYTN? Pg. 48  Reflecting on the Section and Challenge  Quiz 1.3  PTG: pg. 49 #1-4

Investigate  Pg #1-3  Work in your groups to complete  Write answers in YOUR notebook  10 minutes  Pg. 35 #4-7  We will do these as a class and in small groups  Moving Man Simulator Moving Man Simulator

August 20, 2010 HW: PTG #1-9  Do Now (underneath #6):  Describe what is happening to the vehicle’s motion in the graph  Be specific, use numbers to describe the motion.

Speed/Velocity  Equation (in your notes and toolbox) V =  d  t d V av t

GUTAU  Given  Unknowns  Tools  Answer  Units

Investigate #8 Pg. 36 Use GUTAU to Solve

Speed/Velocity Practice Problems  Speed Machines

SPEED RELAY!!!  Use GUTAU to solve problems  You must complete each question in order as a TEAM  Be sure to include your calculations and UNITS!

Physics Talk  What is Speed?  What is constant speed?  Distance traveled over time  Equation:  S=d/t  Speed that does not change over time

Physics Talk  What is Average Speed?  What is instantaneous Speed?  Average Speed=Total Distance Total Time  Speed at a given moment

Physics Talk  What is the difference between speed and velocity?  Velocity is speed in a DIRECTION!

Physics Talk  What is happening in each distance-time graph?

Physics Talk  How do you figure out velocity (speed) from a distance-time graph?  Calculate the slope of the line  v=Δd Δt

Wrapping up  In your notebook:  WDYTN? Pg. 48  Reflecting on the Section and Challenge  Homework  PTG: pg. 49 #1-4

Quiz 1.3