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

Length of a rectangle is four times its width. If the perimeter is 100 m, what is the area in square cm?
And example of a Neolithic human use of familiar materials in new ways is
Is the square root of 2 times the square root of 3 rational or irrational
square root of a certain number is approximately 9.2371. The cedrain number is between what 2 integers.
While performing an experiment involving a reaction between two chemicals, the scientist observes that the reaction container has become warm. The observation i
help me asap! the last letter is e it might be a little cut off
What is the GCF of 24 and 64
Tom is buying topsoil for the flower bed brown below one bad of topsoil
The function h(t)=-16t2+32t+128 represents the height of a cnnoj ball in feet t seconds after it is shot from a cannon. How many seconds does it take the cannon
Julissa gave out an equal number of oranges to each of the 6 apartments on her floor. If she gave each apartment 5 orange, how many oranges did Julissa give out