Physics, asked by kumarnitis9630, 1 year ago

On 120km track, a train travels the first 30km at a uniform speed of 30km/hr. How fast must the train travel the next 90km so as to average 60km/hr for the entire trip?

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Answered by AshCroft

6

Hope it helps!!
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Answered by devbazzad2006

0

Answer:90km/hr

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