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Speed

Speed. Learning Objective: To understand and use formulae involving speed. How many units of speed can you think of?. How fast?. Fastest Snail. Max speed of a 747. Sound. Light. Cruising speed of Concorde. How fast?. Fastest Snail. 967 km/h. Max speed of a 747. 2150 km/h. 0.01 km/h.

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Speed

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  1. Speed Learning Objective: To understand and use formulae involving speed. How many units of speed can you think of?

  2. How fast? Fastest Snail Max speed of a 747 Sound Light Cruising speed of Concorde

  3. How fast? Fastest Snail 967 km/h Max speed of a 747 2150 km/h 0.01 km/h Sound 1.08 x 109 km/h Light Cruising speed of Concorde 1238 km/h

  4. D S T Miles per hour (mph) Kilometres per hour (kph or km/h) Metres per second (m/s or ms-1) Speed = Distance Time Or S = D T

  5. D S T Speed = Distance Time Time = Distance Speed Distance = Speed x Time

  6. D S T A man is running at a speed of 8 km/h for a distance of 5200m. Find the time taken in minutes.

  7. D S T It has taken an aeroplane 6 hours to travel a journey at an average speed of 500 km/h. How far has it travelled?

  8. What is 54 km/h in m/s ? 54 km/h = 54 000 metres / hour = 54 000 metres / minute 60 = 54 000 metres / second 60 x 60 = 15 m/s

  9. Page 50Exercise 17

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