D t graph cornell notes
Transcript of D t graph cornell notes
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Agenda: Motion Graphs Cornell Notes
Bellwork: James ran 400 kilometers in 24 hours. Calculate
his speed.
Kelly skipped 30 meters in 3.5 minutes. Calculate her speed.
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What are the differences between Speed and
Velocity?
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How do we calculate Speed, Distance and Time?
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What are DISTANCE-TIME GRAPHS?
Distance-time graphs can be used to describe journeys.
distance on the vertical (y) axis
time on the horizontal (x) axis.
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What does a d-t graph look like with no movement?
Flat
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How can you tell an object is moving fast?
Line slopes up at a steep angle
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When the object goes back to the starting point, what does the graph
look like? Slopes down
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What does a d-t graph look like for acceleration (speeding
up)? curved
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EXAMPLES1. The following graph describes the journey of a snail.
a. Describe the motion of the snail.b. What is the speed of the snail during each part of the journey?
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Question 1Which graph shows the object travelling at a faster speed?
A B
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Question 2Which part of the graph shows that the object is stationary?
A B C
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Question 3Which line shows an object that is accelerating?
A B
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Question 4How far did object A travel?
50 metres 100 miles 100 metres
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Question 5What was the speed of object A?
200 m/s 5 m/s 0.2 m/s
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Question 6Which part of the graph shows that the object is returning to the start?
A
B C
A B C
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Question 7Which parts of the graph shows that the object is travelling at a constant speed?
A
B C
A+B B+C A+C
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Question 8How long was the cyclist stationary for?
A
B C
80s 40s 220s