Science, asked by wwwritujain2773, 1 year ago

A train travels 40 km at a uniform speed of 30 km h".lts average speed after travelling another 40km Is 45 km h" for the whole Journey. Find its speed of “the second half of the journey.

Answers

Answered by sohalsaab

3

Train take only 1 hour 15 minutes for cover 40 km and when it cover 45 km it takes 1 hour 30 minutes
because it cover 30 km on one hours

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