A reminder
Speed = distance
time taken

d
S

x

t
Distance vs Time Graphs
distance

time
No movement?
distance

time
No movement
distance

time
Constant speed?
distance

time
Constant speed
distance

time
Constant speed
distance

The slope of this
graph gives the speed

time
Constant speed
distance

How would the graph
look different for a
faster constant speed
(walking to Mrs.
Herrington’s clas...
Constant speed

fast

distance

time
Constant speed
distance

fast

How would the
graph look
different for a
slower constant
speed (walking to
Ms. Jones)?

tim...
Constant speed

fast

distance

slow

time
Constant speed
distance

fast

The slope of the
graph gives the
speed
slow

time
Constant speed
distance

Slope = Rise/Run

Run

time

Rise
Getting faster? (accelerating)
distance

time
Getting faster (accelerating)
distance

time
Examples
distance

time
A car accelerating from stop and
then hitting a wall
distance

time
A car accelerating from stop and
then hitting a wall
distance

Let’s try a
simulation

time
Speed against time graphs
speed

time
Speed against time graphs
speed

time
No movement?
speed

time
No movement
speed

time
Constant speed?
speed

time
Constant speed
speed

time
Constant speed
speed

How would the
graph look
different for a
faster constant
speed?

time
Constant speed
speed
fast

time
Constant speed
speed

How would the
graph look
different for a
slower constant
speed?

fast

time
Constant speed
speed
fast

slow
time
Getting faster? (accelerating)
speed

time
Getting faster? (accelerating)
speed

Constant acceleration

time
Getting faster? (accelerating)
speed

The slope of this graph
gives the acceleration

time
Example:
speed

time
A dog falling from a tall building
(no air resistance)
speed

time
A rock falling from a tall
building (no air resistance)
speed

time
A dog falling from a tall building
(no air resistance)
speed
Area = height of building

time
No movement
speed

distance
time

time
Constant speed
speed
Slope = speed

distance
time
Area under graph =
distance travelled
time
Constant acceleration
speed

distance
time

time
Reading – Pages 26 to 29
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Speed and Time graphs

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Speed and Time Graphs

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Speed and Time graphs

  1. 1. A reminder Speed = distance time taken d S x t
  2. 2. Distance vs Time Graphs distance time
  3. 3. No movement? distance time
  4. 4. No movement distance time
  5. 5. Constant speed? distance time
  6. 6. Constant speed distance time
  7. 7. Constant speed distance The slope of this graph gives the speed time
  8. 8. Constant speed distance How would the graph look different for a faster constant speed (walking to Mrs. Herrington’s class)? time
  9. 9. Constant speed fast distance time
  10. 10. Constant speed distance fast How would the graph look different for a slower constant speed (walking to Ms. Jones)? time
  11. 11. Constant speed fast distance slow time
  12. 12. Constant speed distance fast The slope of the graph gives the speed slow time
  13. 13. Constant speed distance Slope = Rise/Run Run time Rise
  14. 14. Getting faster? (accelerating) distance time
  15. 15. Getting faster (accelerating) distance time
  16. 16. Examples distance time
  17. 17. A car accelerating from stop and then hitting a wall distance time
  18. 18. A car accelerating from stop and then hitting a wall distance Let’s try a simulation time
  19. 19. Speed against time graphs speed time
  20. 20. Speed against time graphs speed time
  21. 21. No movement? speed time
  22. 22. No movement speed time
  23. 23. Constant speed? speed time
  24. 24. Constant speed speed time
  25. 25. Constant speed speed How would the graph look different for a faster constant speed? time
  26. 26. Constant speed speed fast time
  27. 27. Constant speed speed How would the graph look different for a slower constant speed? fast time
  28. 28. Constant speed speed fast slow time
  29. 29. Getting faster? (accelerating) speed time
  30. 30. Getting faster? (accelerating) speed Constant acceleration time
  31. 31. Getting faster? (accelerating) speed The slope of this graph gives the acceleration time
  32. 32. Example: speed time
  33. 33. A dog falling from a tall building (no air resistance) speed time
  34. 34. A rock falling from a tall building (no air resistance) speed time
  35. 35. A dog falling from a tall building (no air resistance) speed Area = height of building time
  36. 36. No movement speed distance time time
  37. 37. Constant speed speed Slope = speed distance time Area under graph = distance travelled time
  38. 38. Constant acceleration speed distance time time
  39. 39. Reading – Pages 26 to 29
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