FOCUS: Speed, Distance Time Hypothesis testing GRID REFERENCE: ________ EQUIPMENT: Stop watches, Calculator Conversion table

TASK: calculating speed, distance and time .

1. In what direction are the cars going?_________________________________________________
2. Draw a sketch of the track.

3. The length of the track is 280m. If you complete 3 circuits, what is the distance you would travel?

4. Complete three laps of the track and time yourself.

TIME FOR 3 LAPS : ____________________

5. Now calculate your average speed using

6. Using the conversion table given, approximately how many metres per second were you travelling? ________________________________
7. The diameter of the wheel is 300mm.
1. Convert this to metres: __________________________
2. Calculate the circumference of the wheel to three decimal places:

3. Calculate the number of revolutions the wheel would do in one lap of the track.