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Speed and Acceleration of Cars on Lambert Road

Aim: To measure the speeds of cars traveling on and the acceleration of cars as they stop a red light on Lambert Road.
Hypothesis: Most cars traveling on Lambert road will travel at a legal speed of 60km/hr or under. Cars will start accelerating at exactly the same distance before the lights and stop at exactly the white line in front of the lights.
Hazards: - being hit by a car
- falling onto the road
Materials: - A rope with 5m intervals
- A stopwatch
Method: Part 1: Speed
1. A distance of 20m was measured using the rope. One group member was placed at the start and one at the finish.
2. As a car passed the start, the stopwatch was started.
3. As the car reached the finish, the group member at the finish made a shouting signal and the stopwatch was stopped.
4. The times were recorded and the speed calculated using the formula v=s/t.
5. Steps 1-4 were repeated with nine more cars.

Part 2: Acceleration
1.......

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Approximate Word Count: 2314
Approximate Pages: 10 (250 words per double-spaced page)

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