if a train can travel a distance of 480 km in 12 hours, how much time will it take to travel 360 km, assuming that the average speed is maintained throughout the journey?

Question

Delwyn · Answer

Answer:   time = 9 hour     Step-by-step explanation:   1st case,  time(t)=12 × 60 × 60 sec  distance (d)= 480×1000m   speed =distance/time taken                  = 480000/43200 m/s  2nd case,  as average  velocity is maintained throughout the journey  distance (d')= 360×1000m   time (t')=?                     speed =distance /time  or,            480000/43200= 360000/t  or,.           t=(360000×43200)/480000    or,           t=  32400sec  or,            t= 32400/(60×60)                    t= 9 hour

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