Physics, asked by tajindersingh1, 1 year ago

a train travels the first 15 km at a uniform speed of 30 km/h;the next 75 km at a uniform speed of 50 km/h;and the last 10km at a uniform speed of 20 km/h.calculate the average speedfor the entire train journey but answer is 40 km per hour

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Answered by TheUrvashi

6

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