STARTER FIND SOMEONE WHO can answer the questions on your cards get up and move around! Every question must be answered by someone different you are NOT allowed to ask anyone on the same table as you!
What are the units of speed when: Distance is measured in metres and time in seconds Distance is measured in kilometres and time in hours Distance is measured in metres and time in minutes
Pairs of cameras spot your number plate, start a timer, and then spot your number plate again leaving a zone 800m The speed cameras record that a car takes 350 seconds to move between them. Calculate the average speed of the car. Show your working. Give the unit m/s
Distance against time graphs distance time
No movement? distance time
No movement distance time
Constant speed? distance time
Constant speed distance time
Constant speed distance time The gradient of this graph gives the speed
Constant speed distance time How would the graph look different for a faster constant speed?
Constant speed distance time fast
Constant speed distance time fast How would the graph look different for a slower constant speed?
Constant speed distance time fast slow
Getting faster? (accelerating) distance time
Getting faster 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 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 time How would the graph look different for a faster constant speed?
Constant speed speed time fast
Constant speed speed time fast How would the graph look different for a slower constant speed?
Constant speed speed time fast slow
Getting faster? (accelerating) speed time
Getting faster? (accelerating) speed time Constant acceleration
Getting faster? (accelerating) speed time The area under the graph gives the distance travelled
Example: speed time
A dog falling from a tall building (no air resistance) speed time
A dog falling from a tall building (no air resistance) speed time
A dog falling from a tall building (no air resistance) speed time Area = height of building
Be careful! distance time speed time
No movement distance time speed time
Constant speed distance time speed time Area = distance travelled
Constant acceleration distance time speed time Area = distance travelled
Too easy? I have a challenge for you! Can you watch the following video clip and use a stopwatch to determine how far the car travelled? I will provide you with a stopwatch and a table to fill in!
Activity Plot these results on a speed time graph, with time on the bottom axis (the x axis) and speed on the side axis (the y axis). Label the points where there is a change in motion A,B,C,D,E,F,H,I,J and K. Example: point A is at time 0 and speed 0.