beatricenapawa1997 beatricenapawa1997
  • 25-08-2020
  • Mathematics
contestada

two trains ,each 100 m long,moving in opposite directions ,cross each other in 8 seconds .if one is moving twice as fast as the other train ,then the speed of the faster train is​

Respuesta :

karina02rdzp2o19r
karina02rdzp2o19r karina02rdzp2o19r
  • 25-08-2020

Answer:

60 km/hr

Step-by-step explanation:

100+100

_______         =3x

      8

3x= 200/8

x=200/24 mps

=30mph

final speed is 60km/hr because its 2x's more =2*30=60

Answer Link

Otras preguntas

Describe two real-world advantages of representing quantities using scientific notation. Explain
Why does region 4 coastal plains historically have been more densely populated than the region 1 the mountains and basins
Imagine that you are a doctor who is studying the spread of a disease in your country. How could you use new technologies in geography to help you understand th
How much miles is it from the surface to center of earth
563x367use scratch paper to help you ​
2.Which of these best describes an organism's ability to maintain the constant internal conditions necessary for life? A. Homeostasis B. Adaptation C. Stabili
help me asap!!!!!!!!?!??
If you graph the average velocity (y-axis) vs. the elapsed time (x-axis), what would the graph look like if acceleration is uniform?
Find the value of x. (11x - 15) (5x – 13°
What is the slope of the line represented by the values in the table?x. y10. 142. -23. 07. 820. 34answers:-2[tex] \frac{1}{ - 2} [/tex][tex] \frac