Physics, asked by bhowmickmadhumita489, 1 month ago

.On a 120km track a train travels the first 30km at a uniform speed of 30km/hr.

Calculate speed with which the train should move rest of the track so as to

average 60km/hr for the entire trip.

Answers

Answered by hpsrhpsr09708

0

Answer:

4 hours mark me as a brainlist

Explanation:

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