Using the two-second rule, what gap in metres should you leave behind the car ahead when travelling at 54 km/h?
Answer and explanation
Correct answer: D. 30 m
- Step 1: At 54 km/h the car covers 15 m every second. Step 2. Two seconds covers 2 x 15 = 30 m. Answer: 30 m. Why not the others: 15 m: 15 m is only a one-second gap. 27 m: 27 m halves the km/h figure and ignores the conversion. 45 m: 45 m is a three-second gap.
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