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

A pizza parlor uses square prisms for their pizza boxes. Due to the crust rising, the height of their boxes is always 2 inches. Additionally, the volume of the
what role did Ann putnam play in the dancining in the forrest
Identify patterns in the effects of white settlers' westward expansion on other cultures
I need help I don’t get this
Find the value of x
In a certain species of insect, some individuals have flattened white disks on their bodies that protrude and interlock, resembling an orchid flower. This adapt
Explain how the influence and reach of the newly reformed Ku Klux Klan differed from its 1866 iteration; why were these racist ideas experiencing a resurgence t
Order from least to greatest 6.318,6.32,6.230,6.108
Which of these listed languages are non-Slavic? Choose all that apply Latvian Lithuanian Hungarian Polish Romanian Russian
Rachel and michael play near each other in the sandbox. rachel uses a scoop and a sifter. michael uses a pail and a shovel. they do not talk or try to influence