1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bekas [8.4K]
3 years ago
12

in the nineteenth century, people put their ears to a railroad track to get an early warning of an approaching train. Why did th

is work?​
History
1 answer:
VladimirAG [237]3 years ago
3 0

The vibrations and sound waves from the train would travel up the railroad tracks ahead of the train. When a person put their ear on the track, it would receve the signals from the vibrations and sound waves.

You might be interested in
What were the people who invaded northern India in the second millennium BCE called?
rodikova [14]
The answer is jewish c
6 0
2 years ago
Why did the Soviet Union fear other nations, like the United States, having so much control in Europe?
Aleksandr-060686 [28]

Answer:

becuase they had control also

Explanation:

5 0
3 years ago
Read 2 more answers
​in the historical case marbury v. madison, the supreme court first exercised its authority to strike down laws passed by congre
kkurt [141]
This power is known as judicial review
7 0
3 years ago
WHAT YEAR DID TEXAS MEXICAN CESSION BECOME STATE
kicyunya [14]
The Mexican Cession happened in 1848. In this treaty, Mexico handed over Texas to the US. Hope this helps. 
7 0
3 years ago
Which answer best describes the effects that improvements in transportation had on the United States economy in the 1800s? A) th
sergey [27]
They made it easier to move goods more cheaply and quality
5 0
3 years ago
Read 2 more answers
Other questions:
  • The Three-Fifths Compromise benefited which states?
    9·1 answer
  • Marx wrote about his disagreement with the free enterprise system in: The Communist Manifesto Das Kapital The Prince The Tenure
    15·2 answers
  • A) demand for pepper at that specific store would be elastic; it would go down dramatically because people would buy it at anoth
    11·1 answer
  • Which plan was adopted for the composition of the federal legislature? A. Three-Fifths Plan B. Virginia Plan C. New Jersey Plan
    9·1 answer
  • "Every quiet method for peace hath been ineffectual. Our prayers have been rejected with disdain; and only tended to convince us
    11·2 answers
  • 17. What document did the Gettysburg Address refer to and why?
    5·1 answer
  • How did you be Texas Rangers contribute to the development of Texas?
    7·1 answer
  • In the Neolithic age agricultural
    14·2 answers
  • How did the Treaty of Versailles impact Iraq, Palestine, and Transjordan?
    15·1 answer
  • Select ALL the correct answers.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!