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10-05-2018
Chemistry

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A train travels 97 kilometers in 2 hours, and then 96 kilometers in 2 hours. What is its average speed?

Respuesta :

Edufirst Edufirst

17-05-2018

Answer: 48.25 km/h

Explanation:

1) Average speed = total distance / total time

2) Total distance = 97 km + 96 km = 193 km

3) Total time = 2 h + 2 h = 4 h

⇒ Average speed = 193 km / 4 h = 48.25 km/h

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