A jet airliner flies 4,100 km from New York City to San Francisco in 4.25 h. What is the average speed?
Understand the Problem
The question is asking for the average speed of a jet airliner that flew a distance of 4,100 km in a time of 4.25 hours. To calculate the average speed, we will use the formula: average speed = distance / time.
Answer
964.71
Answer for screen readers
The average speed is approximately 964.71 km/h.
Steps to Solve
- Identify the formula for average speed
To find the average speed, we use the formula:
$$ \text{Average Speed} = \frac{\text{Distance}}{\text{Time}} $$
- Substitute the given values into the formula
Here, the distance is 4,100 km and the time is 4.25 hours. We substitute these values into the formula:
$$ \text{Average Speed} = \frac{4100 \text{ km}}{4.25 \text{ h}} $$
- Calculate the average speed
Now we perform the division:
$$ \text{Average Speed} = \frac{4100}{4.25} $$
- Perform the calculation
Calculating $ \frac{4100}{4.25} $ gives us:
$$ \text{Average Speed} \approx 964.71 \text{ km/h} $$
The average speed is approximately 964.71 km/h.
More Information
The average speed calculation is important in understanding how distance and time relate to motion. This concept is widely used in various fields including transportation, physics, and engineering.
Tips
- Incorrect unit conversions: Always ensure that the units for distance and time are compatible.
- Rounding errors: Be careful with calculations and rounding off values too early.
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