Question
OCR J259/01 — Foundation
A car travels at 30 m/s. The driver's reaction time is 0.7 s.
(a) Calculate the thinking distance. (2 marks)
(b) The braking distance at 30 m/s is 45 m. Calculate the total stopping distance. (1 mark)
(c) The car then travels at 60 m/s. Explain why the braking distance at 60 m/s is NOT simply double the value at 30 m/s. (3 marks)
6 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.