Every winter i fly home to Chicago .It takes 3 hours. What is my average speed?
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The average speed is d/3 hours. If you know the distance, then we can easily find out the average speed.
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The average speed is the total distance traveled by the object in a given time interval.
- To determine the average speed of the journey, divide the total distance traveled by the total time required. A scalar quantity is an average speed.
- The distance traveled divided by the time taken is the most commonly used formula for calculating average speed. If you have the initial and final speeds, add them together and divide by two in the other formula. The total distance traveled divided by the time interval yields the average speed.
- For example, someone who drives 20 miles north and then 20 miles south in 40 minutes has an average speed of 40 miles divided by 40 minutes, or 1 mile per minute (60 mph). It is the ratio of the object's total distance traveled to its total time taken. Because speed is a scalar quantity, it has no direction.
- Average speed is particularly useful because it considers the reality of an event rather than assuming that something or someone moves at a constant speed.
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