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
Allisa [31]
3 years ago
14

Why are bridges declared unsafe after a long use​

Physics
1 answer:
lina2011 [118]3 years ago
8 0

After it's long use, the bridge continuously undergoes through alternating strains. in result, the elastic strength of the bridge gets reduced. while the process goes on the bridge makes elastic fatigue and a permanent change happens which makes it collapse which is the reason why bridges are declared unsafe after a long use​ :)

You might be interested in
Why the center of Newton rings is dark?​
RideAnS [48]
The point of contact the path difference is zero but one of the interfering ray is reflected so the effective path difference becomes λ/2 thus the condition of minimum intensity is created in the center.
3 0
3 years ago
Read 2 more answers
A11) A solenoid of length 18 cm consists of closely spaced coils of wire wrapped tightly around a wooden core. The magnetic fiel
vitfil [10]

Answer:

A

Explanation:

From a Solenoid we know that a magnetic fiel is always inversely proportional to lenght L or BL = constant

B= frac{\mu_0}{2R}

As I is constant

\frac{B2}{B1} = \frac{R1}{R2}

B2 = 2mT*\frac{18}{21}

B2 = 1.714mT

7 0
3 years ago
PLEASE HELP!!!!
Aleks [24]
The answer is step by step 65
4 0
3 years ago
Read 2 more answers
Briefly describe the difference between the CPC, COC, and CIC certifications. Can you work in a hospital or outpatient facility
madreJ [45]

Answer : the difference between the CPC, COC, and CIC Certified Professional Coder , Certified Outpatient Coder ,Certified Inpatient Coder

Explanation :

CPC - Certified Professional Coder is the gold standerd for medical coding in a physician.

COC - Certified Outpatient Coder is the only standalone outpatient coding  credential in the healthcare .

CIC -  Certified Inpatient Coder is the only standalone inpatient coding  credential in the healthcare .

Yes, we can work in hospital and outpatient facility in COC.

If we have a professional certifications in coding then we can make a best physician.

Yes, credential is important because we can recognize that the doctor works in which field.

4 0
3 years ago
In the problem 10 − 4 = 6, what's the correct term for the number 4?
romanna [79]

10 is the number that is subtracted from it is the MINUEND

4 is the number being subtracted its then the SUBTRAHEND

6 is the result it is then the DIFFERENCE

so the correct term for 4 is SUBTRAHEND


3 0
3 years ago
Other questions:
  • What velocity must a car with a mass of 1280 kg have in order to have the same momentum as a 2230?
    11·1 answer
  • How can i express 2.99792458 x10^8 in three insignificante figures
    6·1 answer
  • Krishne wants to measure the mass and volume of a thimble. Which tools should she use?
    11·1 answer
  • What does mechanical advantage describe regarding simple machines?
    15·2 answers
  • Why can't theories become laws?
    9·1 answer
  • A 39.7 n object is in free fall. what is the magnitude of the net force which acts on the object? answer in units of n.
    15·1 answer
  • How do scientists use models to make predictions?
    14·1 answer
  • Which of the following is the best definition of autoimmune disease?
    10·1 answer
  • Calculate the velocity of a car that travels 581 kilometers notheast in 3.5 hours?
    11·1 answer
  • What is the momentum of an airplane with a mass of 360,000 kg moving<br> down the runway at 1.5 m/s?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!