Final answer:
The bike was travelling at an average speed of 30 meters per second, calculated by dividing the total distance of 15,000 meters by the total time of 500 seconds.
Step-by-step explanation:
To calculate how fast the bike was travelling, we use the formula for average speed, which is the total distance traveled divided by the total time taken. In this case, the bicyclist travels 15,000 meters in 500 seconds.
Using the formula:
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- Average Speed = Total Distance ÷ Total Time
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- Average Speed = 15,000 m ÷ 500 s
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- Average Speed = 30 m/s
Therefore, the bike was travelling at an average speed of 30 meters per second.