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What is the average speed of a train that travels at 120 km per hr for 6 hours and then 100 km per hr for 5 hours?
Wiki User
∙ 11y ago
In 6 hours @ 120 km per hour, the train travels 120*6 = 720 km.
In 5 hours @ 100 km per hour, the train travels 100*5 = 500 km.
So, in all the train travels 720 + 500 = 1220 km in 6 + 5 = 11 hours.
Its average speed is 1220/11 =110.9090.. recurring km per hour.
Wiki User
∙ 11y ago
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