tinawhite118p6xot0
tinawhite118p6xot0 tinawhite118p6xot0
  • 02-05-2018
  • Physics
contestada

A train travels 90 kilometers in 4 hours, and then 82 kilometers in 1 hours. What is its average speed?

Respuesta :

AL2006
AL2006 AL2006
  • 02-05-2018
Average speed = total distance / total time.

That's 172 km / 5 hr = 34.4 km//hr
Answer Link

Otras preguntas

Which emperor improved rome's judicial system and gave women more rights, but was also picked on by family members and ultimately killed by his wife?
a singer emits a note of frequency 200hz. calculate the wavelength of the note. (speed of sound in air= 340m/s). please help me somebody
¿Cuál no es un ingrediente de una pizza?
The reaction in Fe + O2→Fe2O3 is an example of a(n): A. combination reaction. B. decomposition reaction. C. aqueous reaction. D. single-replacem
I am desperate please help me. Select the sentence that uses a prepositional phrase as an adjective, adverb, participial phrase, and gerund phrase as subject.
What are the volume and surface area of a box 6 feet by 6 feet by 12 feet
A collectivist society usually contains individuals who have strong group identification.
In a second grade class containing 12 girls and 11 boys, 2 students are selected at random to give out the math papers. what is the probability that the second
A sudden change in the DNA of a chromosome can usally be passed on to future generations if the change occurs in a -
How did the united states help rebuild european cities and increase prosperity at home after world war ii?