jabbir1102
jabbir1102 jabbir1102
  • 01-01-2019
  • Physics
contestada

A train travels 81 kilometers in 3 hours, and then 63 kilometers in 4 hours. What is its average speed?

Respuesta :

zaidmir1987
zaidmir1987 zaidmir1987
  • 01-01-2019

Avg speed =Total Distance / Total Time Taken

Therefore = Avg speed = 144/7 = 20.57 km/h

Hope you understood and liked my answer!

Answer Link

Otras preguntas

Why do river rise from slope and flow toward the lower Explian briefly
One of the possible criteria of Schizophrenia is hallucinations. Select one: O True O False
What political problem did many latin american countries have upon gaining independence? o many places were still taxed by the colonial powers. o few people had
Which question encourages further discussion? Is pollution a problem in the city? Does water pollution harm fish? How is air pollution harmful? Do people care a
Pretty lady cosmetic products has an average production process time of 40 days. Finished goods are kept on hand for an average of 15 days before they are sold.
Complete the sentence. A(n) ___ allows a device and a server or two servers to share data and functionality. -API -PIA A ___ integrates an API into the software
Which of the following is equal to 5 1/3?
Where is this castle that was abandoned before construction finished.
__________________________
What will be the result from running the following program? print("Grades") print(100) print(93) print(82) print("Total") print(100+93+82)