lyndseydoll lyndseydoll

16-08-2018
Physics

contestada

a train travels 99 kilometers in 3 hours, and then 80 kilometers in 5 hours. What is it’s average speed?

Respuesta :

16-08-2018

Average speed = (total distance covered) / (time to cover the distance)

Total distance covered = (99km + 80km) = 179 km

Time to cover the distance = 8 hours

Average speed = (179km / 8hours)

Average speed = 22.375 km/hour

Answer Link

Otras preguntas

Find an equation for the line that passes through the points (3,-5) and (-5,5).

Mark breaks up a 9 hour. Drive into three segments.he drives 2 1/2 hours before stopping for lunch. After driving some more,he stops for gas.if the second segme

Palmer Raids Sacco and Vanzetti Boston Police Strike of 1919 May Day Riot of 1919 This list of research topics would be of MOST use to a student writing a pa

What is 3 1/2 multiplied by 2 1/4 as a mixed number or fraction

Please translate the following to French: Hello class! My name is Macy. I am twelve years old, and I am from the United States. I have brown hair and green eyes

Lawmakers want to keep a positive public opinion of themselves because A) the public will send letters of disapproval. B) if public opinion is low they might

What historical events influenced the topic winter at valley forge throughout history??? Plzzzz

What's the meaning of life?

i will make you a Brainliest if you can help me with this q plz there are 3 q all together..

Which organization maintains the Human Development Index (HDI)? Doctors Without Borders the Red Cross USAID the United Nations