The 100 metre race THE WORLD’S GREATEST SPRINTER, USAIN BOLT, AND THE WORLD’S FASTEST SPRINT CYCLIST, RENÉ ENDERS...

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Presentation transcript:

The 100 metre race THE WORLD’S GREATEST SPRINTER, USAIN BOLT, AND THE WORLD’S FASTEST SPRINT CYCLIST, RENÉ ENDERS...

… against this old hatchback over 100 metres. Will the hatchback win?

Usain Bolt and René Enders over 100 metres: their world records. THE RUNNER: USAIN BOLT Men’s sprint 100m World Record is 9.58 seconds. THE CYCLIST: RENÉ ENDERS The men’s cycling world record for a 250m lap from a standing start is seconds, by René Enders of Germany. This suggests that he will cover the first 100m in 8.88 seconds.

Estimate the performance of this car.

Acceleration of hatchback (estimated speeds). Manual gearbox, 1.4 litres. If this is all the information we have about the car’s performance, how can we use it to compare it to the performances of the athletes? What other information do we need, or how do we adapt this information to help us compare?

Acceleration of hatchback (estimated speeds). Manual gearbox, 1.4 litres. The speed has been converted to metres per second. Your task is to see if the car will beat Bolt and Enders. Try to ensure your estimates and calculations are as accurate as possible.

Other Useful Information 1 mile = metres 1 hour = 3600 seconds The area of a triangle = ½ base x height The area of a trapezium = ½ (a + b) x height where a and b are the lengths of the parallel sides. Conversions Formulae

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