A car travels along a straight horizontal road, initially at a constant speed. The speed-time graph in Fig. 1.1 shows the motion of the car from time t = 0. [Figure 1.1] At time t = 5.7s, the driver sees an obstruction in the road. The driver applies the brakes a short time later, and the car begins to slow down.
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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