Question

An aircraft is flying at the speed of 600 kmhr. How much distance will it cover in 15 min?
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Answer 1

i hour= 60 mins

600/60

10 KM per minute

10X15

150Km

Answer 2

$speed = 600km \: {hr}^{ - 1} = 600 \times \frac{5}{18} = 166.666..m \: {s}^{ - 1} \\ time = 15min \: = 900sec \\ speed = \frac{distance}{time} \\ distance = speed \times time \\ distance = 166.66... \times 900 \\ distance = 149999m \\ = 149.999km$

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