autumn0503 autumn0503

16-09-2020
Physics

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A train travels a 400-km route and makes five stops in seven hours. Which equation is used to calculate the train’s average speed?

A.
Average speed = Sum of instantaneous speeds

B.
Average speed = Total distance x Total time

C.
Average speed = Total distance + Total time

D.
Average speed = Total distance ÷ Total time

Respuesta :

london922 london922

16-09-2020

The awnser is d. This is because say they where going 70 mph then it would take them 7 hours to go 490 miles.

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