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
Radda [10]
2 years ago
12

Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an el

liptically shaped surface crack of length 0.54 mm and having a tip radius of curvature of 3.4 × 10−3 mm when a stress of 1050 MPa is applied
Physics
1 answer:
Nutka1998 [239]2 years ago
4 0

Answer:

The theoretical fracture strength of a brittle material is 26465.29 MPa.

Explanation:

Given that,

Length = 0.54 mm

Radius curvature R=3.4\times10^{-3}\ mm

Stress = 1050 MPa

We need to calculate the theoretical fracture strength of a brittle material

Using formula of strength

\sigma_{m}=2\sigma_{0}(\dfrac{l}{\rho_{t}})^{\frac{1}{2}}

Where, l = length of the crack

\rho_{t}= tip radius of curvature

Put the value into the formula

\sigma_{m}=2\times1050\times(\dfrac{0.54}{3.4\times10^{-3}})^{\frac{1}{2}}

\sigma_{m}=26465.29\ MPa

Hence, The theoretical fracture strength of a brittle material is 26465.29 MPa.

You might be interested in
What will a spring scale read for the weight of a 57.0-kg woman in an elevator that moves upward with constant speed of 5.0 m/s
Tanzania [10]
The spring scale will read 559 Newton's or 125.7 pounds.
4 0
3 years ago
George saves 18% of his total gross weekly earnings from his two part-time jobs he earns $6.25 per hour from one part time job a
masha68 [24]
Weekly wages and the amount saved each week

5 0
3 years ago
Read 2 more answers
Help<br> help <br> help<br> plssss
Flauer [41]

Answer:

sorry i don't no

i promise i will help you later

now i am also in trouble now

nobody helps me

4 0
2 years ago
Can some one give me a conclusion for natural resources
levacccp [35]

Answer:

The exploitation of high-value natural resources—oil, gas, minerals, and timber—has often been a key factor in triggering, escalating, or sustaining violent conflicts around the globe. Competition over renewable resources such as land and water is on the rise, and environmental degradation, population growth, and climate change are compounding the challenges. Governments are therefore under increasing pressure to sustainably manage natural resources and resolve conflicts around their ownership, management, allocation, and control.

8 0
3 years ago
Two fishing boats depart a harbor at the same time, one traveling east, the other south. the eastbound boat travels at a speed 1
Novosadov [1.4K]
<span>they are travelling at right angles to each other.
 At any given instant they form a right triangle with their starting point
 </span>South bound <span>= x  [mi/h]
</span> East bound <span> = x+1 [mi/h]
 after five hours they will be
 d=5x
 and
 d=5(x+1)
 miles away from the starting point 
 (5x)^2+(5(x+1))^2=625
 25x^2+(5x+5)^2=625
 25x^2+25x^2+50x+25=625
 50</span>x^2+50x-600=0
<span> x^2+ x - 12=0
 (x+4)(x-3)=0
 take the postive value
 x= 3 mph the speed of south bound
 4mph east bound </span>
6 0
3 years ago
Other questions:
  • A spring whose spring constant is 850 N/m is compressed 0.40 m. What is the maximum speed it can give to a 500 g ball? ____m/s
    12·1 answer
  • A photon has momentum of magnitude 8.30×10−28 kg⋅m/s . Part APart complete What is the energy of this photon? Give your answer i
    9·1 answer
  • The tension in the horizontal cord is 30N. Find the weight of the object.
    14·1 answer
  • If the diameter of a radar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged
    14·1 answer
  • An LC circuit consists of a 3.14 mH inductor and a 5.08 µF capacitor. (a) Find its impedance at 55.7 Hz. 563.57 Correct: Your an
    12·1 answer
  • Which of the following was the main goal of the Iroquois Confederacy?
    7·1 answer
  • What is the current produced by a potential difference of 200V through a resistance of .2 ohms?
    12·1 answer
  • Use Hooke's Law to determine the work done by the variable force in the spring problem. Nine joules of work is required to stret
    13·1 answer
  • chris and molly wins $2400 in a competition they share the money in the ratio2:3 how much money do they each receive ?​
    12·1 answer
  • When you get to the snow, you grab a handful to take back to the beach. However, by the time you get there, the snow has disappe
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!