autumnwanstreet autumnwanstreet

23-10-2018
Physics

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A train travels 98 kilometers in 4 hours, and then 99 kilometers in 1 hours. What is its average speed?

Respuesta :

mitchelle65 mitchelle65

26-10-2018

distance 1=98km,time 4 hrs
distance 2=99km,time 1 hrs
total distance travelled /total time taken.
98+99=197/4+1=5
average speed=39.5km per hour

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