kirinaallison kirinaallison

28-10-2017
Physics

contestada

A train travels 90 kilometers in 2 hours, and then 66 kilometers in 2 hours. What is its average speed?

Respuesta :

BlackEagle BlackEagle

28-10-2017

90+66=156
156/2=78

Reply:78kilometers in 2 hours.

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