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What is the average speed of an object that moves 100 m in 4 seconds and then remaining at rest for 1 second?​
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What is the average speed of an object that moves 100 m in 4 seconds and then remaining at rest for 1 second?​

User Markus Dresch
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During the first 4 seconds, its average speed is (100/4) = 25 m/s .

During the full 5 seconds, its average speed is (100/5) = 20 m/s .

User Andrew Johnston
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