A British Concorde (BC) and a French Concorde (FC) flew in opposite directions around the world, a distance of 40 000 km. The BC covered half of its flight distance at a supersonic speed of 2500 km/h and the other half at a subsonic speed of 1000 km/h. The FC spent half of its flight time at 2500 km/h and the other half at 1000 km/h. Which Concorde completed the trip first, and by how many hours did it beat the other?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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1. A British Concorde (BC) and a French Concorde (FC) flew in opposite directions around
the world, a distance of 40 000 km. The BC covered half of its flight distance at a
supersonic speed of 2500 km/h and the other half at a subsonic speed of 1000 km/h. The
FC spent half of its flight time at 2500 km/h and the other half at 1000 km/h. Which
Concorde completed the trip first, and by how many hours did it beat the other?
Transcribed Image Text:1. A British Concorde (BC) and a French Concorde (FC) flew in opposite directions around the world, a distance of 40 000 km. The BC covered half of its flight distance at a supersonic speed of 2500 km/h and the other half at a subsonic speed of 1000 km/h. The FC spent half of its flight time at 2500 km/h and the other half at 1000 km/h. Which Concorde completed the trip first, and by how many hours did it beat the other?
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