anonymous8277 anonymous8277
  • 04-08-2022
  • Mathematics
contestada

A 450 m long freight train passes through a tunnel at a speed of 20 m/sec.
On the return journey it takes 45 sec longer for the train to pass completely
through the same tunnel when it travels at a lower speed of 15 m/sec. How
long is the tunnel?

Respuesta :

likithcreations7
likithcreations7 likithcreations7
  • 04-08-2022

Answer:

5000 is the answer ok my child

Answer Link

Otras preguntas

container has 3 moles of gas with a volume of 60 liters and at a temperature of 250 K, Calculate the pressure inside the container in kPa
A company's daily cost c, in hundreds of r dollars, to manufacture n items of a certain product can be modeled by the function c^-1(5)=80, Lording to the model,
Please help ASAP....
PLEASE HELPPP, ITS DUE IN 1 HOUR!! I WILL GIVE BRAINLIEST!! LINKS=REPORT PLEASE SOLVE FOR THE CHART AND GRAPH. PLEASE SHOW ON GRAPH
what is 10000000000+10000000000
The contrast created between East Egg and West Egg suggests that
Discuss typical advantages and disadvantages of an irrigation system?
What is the length of AB??
what has the same value as 30%, percent of 18?
What is photojournalism? The process of broadcasting the news electronically. The process of publishing the news in written form. The process of publishing the