Av1703 Av1703
  • 01-07-2017
  • Physics
contestada

A train travels 76 kilometers kilometers in 2 hours and then 54 kilometers in 5 hours . What is tuts average speed?

Respuesta :

schvelle
schvelle schvelle
  • 01-07-2017
total distance = 76+54 = 130km
total time = 2+5 = 7hrs
Av. speed = 130/7 = 18.571km/hr = 18.6 km/h ( 3 sig fig)
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