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Speed and Braking Distance Relationship
The car was driven at a constant speed. The driver applied the maximum braking force, and the braking distance was measured.
The test was repeated at different speeds.
Figure 8 shows the results.
Which of the following gives the relationship between the speed and the braking distance? Tick (✓) one box.
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Marking points
- 1 Selects braking distance ∝ speed².