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serinatrails19
serinatrails19 serinatrails19
  • 06-02-2017
  • Mathematics
Answered

The speed of sound is approximately 1.2 × 103 km/h. How long does it take for sound to travel 7.2 × 102 km? Write the answer in minutes.

(Please show your work)

Verified Answer :

Anonymous Anonymous
  • 06-02-2017

Time = distance
           ---------------
             speed
           
         =    7.2 x 10^2 
             --------------------
               1.2 x 10^3 
          
         =     0.6 hrs = 0.6 x 60 = 36 minutes.

Hope this helps!



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