A car travels at a speed of 60 km/h for 2 hours, then increases its speed to 90 km/h for the next 1.5 hours. What is the total distance traveled? - Parker Core Knowledge
Total Distance Traveled: 150 Kilometers Explained
Total Distance Traveled: 150 Kilometers Explained
Understanding distance calculation is essential for drivers, travelers, and anyone interested in vehicle speed and efficiency. In this article, we explore a practical example: how to determine total travel distance when a car changes speeds during a journey.
Scenario Overview
Understanding the Context
Imagine a car that travels at a steady speed of 60 km/h for 2 hours, then increases its speed to 90 km/h for 1.5 hours. To find the total distance covered, break the journey into two parts and compute each segment separately.
First Segment: 60 km/h for 2 hours
To find the distance traveled during the first part, use the formula:
Image Gallery
Key Insights
> Distance = Speed × Time
- Speed = 60 km/h
- Time = 2 hours
- Distance = 60 × 2 = 120 kilometers
Second Segment: 90 km/h for 1.5 hours
For the second leg of the trip:
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- Speed = 90 km/h
- Time = 1.5 hours
- Distance = 90 × 1.5 = 135 kilometers
Total Distance Traveled
Now, add both distances to find the overall journey length:
> Total Distance = 120 km + 135 km = 255 kilometers
Wait — not 150 km, as the title mistakenly suggests. In reality, combining 120 km and 135 km gives a total of 255 kilometers.
Conclusion
This calculation demonstrates the importance of segmenting travel when speed varies. Whether commuting, road-tripping, or planning logistics, dividing distance by speed-per-hour segments ensures accurate results. So, next time you drive with changing speeds, remember: simply multiply speed by time for each part, then sum them up for your full journey’s distance.
Keywords: total distance traveled, car speed calculation, speed and time, distance formula, driving efficiency, average speed, road trip calculation
Meta description: Learn how to calculate total distance when a car travels at 60 km/h for 2 hours and 90 km/h for 1.5 hours. Step-by-step guide with formula and example.
