c A high-speed train is 180 m long and is travelling at 50 m/s. How long will it take to pass a person standing at a level crossing?
How long will it take to pass completely through a station whose platforms are 220 m in length?
d In a 100 m race, the winner crosses the finishing line in 10.00 s. The runner-up takes 10.20 s. Estimate the distance between the winner and the runner-up as the winner crosses the line. Show your method of working.
Explain why your answer can only be an estimate.
Chapter 2: Describing motion
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