Question

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)

Answer 1

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!