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

Please help me write from this school prompt: Write a paragraph in first person from the boys point of view about a girl and a boy who hate each other. They sit
What is the name for the compound MgS
Classify the following triangle.
Why is Mrs. Dombey lying in bed so weakly? es ) A) She has just had a baby. B) She has had an accident. C) She is suffering from an unusual illness. D) She has
Question 1 (1 point) The verb venir Venir is used to say that someone is coming to a place or an event. Complete each sentence with the forms of venir to say w
Find The Slope Of The Line. 1/3 3/1 6/2 -3/1
Pleaseeeeee help I'll give Brainliest urgent!!!!!!!!!!!!!!!!!!!!
is division of Cell's cytoplasm, after which the cell enter's G1 phase.
Write the equation of the line in slope-intercept form using y=mx+b​
Which of the following is true about the speed of light