babyporter3261 babyporter3261

20-06-2018
Physics

contestada

A train travels 98 kilometers in 4 hours, and then 61 kilometers in 3 hours. What is its average speed?

Respuesta :

WrappinUp WrappinUp

20-06-2018

speed (velocity)=distance/time

V1=98km/4hr=24.5km/hr
V2=61km/3hr=20.3km/hr

Average speed (velocity)=total velocity/ number

Average speed (velocity)=44.8km/hr/2=22.4

So the average speed is 22.4km/hr

Answer Link

Otras preguntas

Need help for eight a & b! The answer is 26, I'm just unsure on how to do it.

Each society has a type of social stratification. how does the united states ideologically justify its type of stratification system?

My recipe calls for 2/3 cups of white flour and 2 1/5 cups of whole wheat flour how much flour do i need in total for my recipe

In milgram's obedience experiments, teachers were least likely to deliver the highest levels of shock when

can you help me solve this problem 2x+2y=2 and y= -11-4x

What was the Rhode Island system and why did Samuel slater decide to adopt it

What are trophic relationships? water use relationships between different plants habitat use relationships between different animals feeding relationships betw

Why did the boy dig the hole at the end of Sounder?

Solve the equation by combining like terms. Show all the steps. 2(2x - 4) + x = 7

Shay's rebellion in Western Massachusetts showed that the national government needed additional powers to address since urgent issues. Which issues were they