The train has a speed of 60km hr for first hour the 40 km/hr for next half hour what is the average speed
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Heya
Speed = Distance/time
For the first one hour,
60= distance/1
Distance travelled = 60kms
For the next half an hour,
40 = Distance/(1/2)
Distance = 40(1/2)
Distance =20kms
Average speed = total distance/ total time
= 60+20/1+(1/2)
=80/(3/2)
= 80×2/3
= 53.33 kmph
Hope it helps ^_^
Speed = Distance/time
For the first one hour,
60= distance/1
Distance travelled = 60kms
For the next half an hour,
40 = Distance/(1/2)
Distance = 40(1/2)
Distance =20kms
Average speed = total distance/ total time
= 60+20/1+(1/2)
=80/(3/2)
= 80×2/3
= 53.33 kmph
Hope it helps ^_^
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