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

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

How do u factor out the coefficient of the variable??? 1/2Q+5/2

Which of the following would a historian use to get a firsthand account of a past event? a. A chronological source b. A secondary source c. A narrative source d

Which is a legacy of the French philosopher Montesquieu? a. rights to free speech and assembly in Great Britain b. three branches of federal government in the U

The core subject of ______ also includes civics and government studies. A. English B. Mathematics C. History D. Science

According to the kinetic theory of gases, the kinetic energy of molecules is proportional to which factor? A. Concentration in moles/liters B. temperature in ke

which generation was too young to be in WWII, but had parents there

A(n) __________ is a unit of local government incorporated by the state. municipality county charter ordinance

What is Johannes Gutenberg known for? a. inventing the modern printing press b. designing the Sistine Chapel c. writing the Ninety-Five Theses d. translating th

According to the United States constitution, which action would be the most appropriate for the state government a. Printing newly designed $20 bills b. Establi

An analysis of costume design and setting in a historical drama is most likely an analysis of the movie's _____. a. aesthetics b. authenticity c. subject matter