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

Alcohol can affect decision-making skills. What are some of the potential risks when someone's drinking gets out of control?

Factor completely: x^2–7x+7y–y^2

Question 3 OT IU 2 Points By studying the historical context of a story, you can better understand: O A. the interests and fears of the intended audience. O B.

examples of two substances being mixed and the

I will give Brainliest to whoever answers this question correctly.

If globalization continues over the next few decades, how might your life be different?

Consider the equation: 2NO(0) - N.04(). Using ONLY the information given by the equation which of the following changes would increase the molar concentration a

The Power powe and th

Andrea Miles is the GT teacher at Meridian Elementary school. As part of her duties, she is to screen, identify and assess students who exhibit characteristics

What are the powers of Congress that are named, or listed, in the Constitution? A. expressed B. implied C. inherent D. reserved