li1ndYshelinglerina li1ndYshelinglerina

03-01-2017
Mathematics

contestada

A 100-meter-long christmas train needs 30 seconds to cross a 400-meter-long bridge. assuming the train goes at a steady speed, how fast is it?

Respuesta :

texaschic101 texaschic101

03-01-2017

length of train : 100
length of bridge : 400
distance covered by the train to cross the bridge : (100 + 400) = 500
time taken by the train to cross : 30

speed = distance / time
speed = 500/30
speed = 16.67 meters per second <===

Answer Link

Otras preguntas

Knights were powerful lords who were served by Samurai in their armies. True False

I want to know What does w=

Which level has the most energy and how is it lost through the food chain? bottom, chemical energy top, heat energy bottom, heat energy top, chemical energy

What is the surface area of the cone in terms of π? A cone. The diameter of the base is 8 meters and the slant height of the cone is 15 meters.

PLEASE HELP 20 POINTS!

Answering by analyzing this picture. The question is : if pesticides were sprayed on the leaf, describe what happens to the a.non-resistant insects. b.resistant

a minus 5.36 = 1.04 solve for a what is it

Leah is sending out 32 party invitations. She gives 5 invitations to her Mom to give to family members. Leah mails a third of the rest. Write a numerical expres

ANSWER THE QUESTION FOR BRAINLiEST HERE IS THE QUESTION AND WORDS

*Write an informal letter.*Imagine that it was your birthday yesterday and you're writing to thank a relative for their birthday present and tell them about you