Physics, asked by jaiswalbarkha97, 5 months ago

A train goes Kolkata to Digha at a speed of 45 km/h. And
returned with a speed of 36 km/h. Then calculate the aver
age speed of the train during its whole joumey?

Answers

Answered by rachanrrai2010

1

Answer:

40.5

Explanation:

45-36=9 divided by 2= 4.5

36+4.5= 40.5

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