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13-03-2018
Physics

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A train travels 51 kilometers in 2 hours, and then 53 kilometers in 5 hours. What is its average speed?

Respuesta :

13-03-2018

Total distance = (51km + 53km) = 104 km

Total time = (2hrs + 5hrs) = 7 hours

Average speed = (total distance covered) / (time to cover the distance)

= (104 km) / (7 hrs) = 14.86 km/hr .

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