Airplane 200km/h
Jet Stream 50km/h
Total miles 1250km
What is your question?
it is not clear what your question is. The flying time will be 1250/250 = 5 hours flying in the direction of the jet stream, and 1250/150 = 8 1/3 hours flying against the jet stream
To find the total time it takes for the airplane to travel a distance of 1250 km while flying at a speed of 200 km/h and encountering a jet stream of 50 km/h, you can use the formula:
Time = Distance / Speed
First, let's calculate the time it takes for the airplane to travel 1250 km in still air (without the jet stream):
Time without jet stream = Distance / Speed without jet stream
Time without jet stream = 1250 km / 200 km/h = 6.25 hours
Now, let's calculate the time it takes for the jet stream to affect the airplane's speed:
Time affected by jet stream = Distance affected by jet stream / Speed affected by jet stream
Since the jet stream adds 50 km/h to the speed of the airplane when flying with it and subtracts 50 km/h when flying against it, we need to calculate the distance affected by the jet stream in both directions.
Distance with the jet stream = Distance * (Speed with jet stream / Total speed)
Distance with the jet stream = 1250 km * (250 km/h / 250 km/h) = 1250 km
Distance against the jet stream = Distance * (Speed against jet stream / Total speed)
Distance against the jet stream = 1250 km * (150 km/h / 250 km/h) = 750 km
Now, let's calculate the time affected by the jet stream:
Time affected by jet stream = (Distance with jet stream / Speed with jet stream) + (Distance against jet stream / Speed against jet stream)
Time affected by jet stream = (1250 km / 250 km/h) + (750 km / 150 km/h) = 5 hours + 5 hours = 10 hours
Finally, let's calculate the total time:
Total time = Time without jet stream + Time affected by jet stream
Total time = 6.25 hours + 10 hours = 16.25 hours
Therefore, it would take approximately 16.25 hours for the airplane to travel 1250 km with a speed of 200 km/h, encountering a jet stream of 50 km/h.