Question on: SS1 Physics - Motion 1

Refer to the distance-time graph below. What is the average speed of the object during the first 4 seconds? 

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To calculate average speed, we divide the total distance travelled by the total time taken.

Total distance = 10 metres (from the graph)

Total time = 4 seconds (from the graph)

Average speed = Total distance / Total time

Average speed = 10 metres / 4 seconds

Average speed = 2.5 m/s

 

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