sagaciousblinka sagaciousblinka
  • 25-10-2021
  • Mathematics
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What is the in minute taken to cover 8.1km at an average speed of 5m/s

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sqdancefan
sqdancefan sqdancefan
  • 26-10-2021

9514 1404 393

Answer:

  27 minutes

Step-by-step explanation:

The relevant relations are ...

  1 min = 60 s

  1 km = 1000 m

  time = distance/speed

__

  time = (8.1 km)×(1000 m)/(1 km)/(5 m/s)×(1 min/(60 s))

  = (8.1×1000)/(5×60) min = 27 min

It takes 27 minutes to cover 8.1 km at a speed of 5 m/s.

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