Objectives Define speed and calculate speed from total time, total distance. Outcomes (5) Calculate speed and acceleration from practical observations.

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Presentation transcript:

Objectives Define speed and calculate speed from total time, total distance. Outcomes (5) Calculate speed and acceleration from practical observations. (6) Explain factors affecting the speed of an object. (7) Represent and calculate speed successfully with a distance-time graph. Key terms: speed, distance, time.

How can speed be calculated? Outcomes (5) Calculate speed and acceleration from practical observations. (6) Explain factors affecting the speed of an object. (7) Represent and calculate speed successfully with a distance-time graph. Key terms: speed, velocity, distance, acceleration.

Design a table to collect the results of how fast people run 50m and include a column for calculate speed. Outcomes (5) Calculate speed and acceleration from practical observations. (6) Explain factors affecting the speed of an object. (7) Represent and calculate speed successfully with a distance-time graph. Key terms: speed, velocity, distance, acceleration.

Distance – time graphsOutcomes (5) Calculate speed and acceleration from practical observations. (6) Explain factors affecting the speed of an object. (7) Represent and calculate speed successfully with a distance-time graph. Key terms: speed, velocity, distance, acceleration.

Draw a distance time graph for the following: A man runs 50m in 8 seconds, he then slows down and jogs 100m in 30 seconds. The man then stops for 15 seconds before running back to his starting point in 20 seconds. Outcomes (5) Calculate speed and acceleration from practical observations. (6) Explain factors affecting the speed of an object. (7) Represent and calculate speed successfully with a distance-time graph. Key terms: speed, velocity, distance, acceleration.

Answer the questions on speed.Outcomes (5) Calculate speed and acceleration from practical observations. (6) Explain factors affecting the speed of an object. (7) Represent and calculate speed successfully with a distance-time graph.