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

Given the sample triangle below and the conditions cosb=4/5, a=10 , find the hypotenuse of the triangle.
The figure shows the blueprint that a contractor uses to design ice-skating rinks. Which expression gives the area of the spectator section shaded in red?
Which term means a prediction of the probable course and outcome of a disease or disorder?
In 1899 and 1900, what did u.s. secretary of state john hay do?
solve this if you can.....
The excel command that enables you to specify rows and columns to repeat on each printed page is:
Answer all please.....^
What happened to the color of the indicator once the equivalence point was reached?
Anyone Know the Answer?
Shannon orders 25,846 pounds of gravel for her driveway. What is this amount rounded to the nearest hundred pounds?