zovi25ralte zovi25ralte
  • 01-08-2020
  • Physics
contestada

car travel at the speed of 20 km/hr for 2 hour and 60 km/hr for next 2 hour find average speed

Respuesta :

nicoleehydee
nicoleehydee nicoleehydee
  • 01-08-2020
Speed = distance / time
Find the distance first =
20x2+60x2 = 160 km
160/4 = 40 km/h
Answer Link

Otras preguntas

a word that shows how a noun or a pronoun is related to some other word in the sentence is a?
what should the first paragraph of a cover letter include?
what is the theoretical probability of rolling an odd number on a fair die with six faces? 3/4 1/2 1/3 1/6
1) Identify the rhythm of the following lines. From Edgar Allan Poe's "The Raven": "Ah, distinctly I remember it was in the bleak December; And each separate dy
What popular ancient Egyptian folktales recounts the wanderings of its hero
Friend me if you want to get healthy I can answer most of your questions. Do you want to get healthy?
In which year did communist rule end in Russia
In "The Three Brass Pennies," what do Ah Fo's initial wishes for the power to read minds, to foretell his own future, and to acquire learning without any effort
To paint a sunset, you make a shade of orange paint using 5 5 drops of red paint for every 8 8 drops of yellow paint. If you use 15 15 drops of red paint,
What marked the beginning of a cilivization