The airline Concorde flies 2000 km at speed of 1600 km/h and then returns due to bad weather at speed of 1000 km/h. Find the average speed for the whole trip.
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Average speed for 'n' equal distance = n÷(1/V+1/V'.... 1/v^nth) . So, here average velocity = (2×1600×1000)÷1600+1000
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