Steve traveled the first 2 hours of his journey at 40km/h and the last 3 hours of his journey at 80km/h. What is his average speed of travel for the entire journey?
2 hours = 80 km
3 hours = 240 km
5 hours = 320 km
320 / 5 = ______ km/h
So then would i change 64km/h into meters/seconds
Why is 2 hours equal to 80km
2 hours * 40 km/h = 80 km
Does your problem ask you to change kh/h to m/s?
Yes it does
Oh sorry no it doesnt! Sorry
To find the average speed for the entire journey, you need to calculate the total distance traveled and divide it by the total time taken.
First, let's calculate the distance traveled in the first 2 hours. We know that Steve's speed during this period was 40 km/h. By using the formula distance = speed x time, we can find the distance traveled:
Distance in the first 2 hours = 40 km/h * 2 hours = 80 km
Next, let's calculate the distance traveled in the last 3 hours. Steve's speed during this period was 80 km/h:
Distance in the last 3 hours = 80 km/h * 3 hours = 240 km
Now, let's find the total distance traveled by adding the distances from the first 2 hours and the last 3 hours:
Total distance traveled = 80 km + 240 km = 320 km
To calculate the average speed, we divide the total distance by the total time taken. The total time is the sum of the durations of the first 2 hours and the last 3 hours:
Total time taken = 2 hours + 3 hours = 5 hours
Average speed = Total distance traveled / Total time taken = 320 km / 5 hours = 64 km/h
Therefore, Steve's average speed for the entire journey is 64 km/h.