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
storchak [24]
3 years ago
5

write an interface downloadable that has a method "geturl" that returns the url of a downloadable object

Engineering
1 answer:
Scrat [10]3 years ago
3 0

Answer:

I want to believe the program is to be written in java and i hope your question is complete. The code is in the explanation section below

Explanation:

import java.util.Date;

public interface Downloadable {

  //abstract methods

  public String getUrl();

  public Date getLastDownloadDate();

 

}

You might be interested in
What invention would you argue most impacted mechanical engineering
Law Incorporation [45]

Answer:

The wheel

Explanation:

3 0
3 years ago
The pressure distribution over a section of a two-dimensional wing at 4 degrees of incidence may be approximated as follows: Upp
Ilya [14]

Answer:

The lift coefficient is 0.3192 while that of the moment about the leading edge is-0.1306.

Explanation:

The Upper Surface Cp is given as

Cp_u=-0.8 *0.6 +0.1 \int\limits^1_{0.6} \, dx =-0.8*0.6+0.4*0.1

The Lower Surface Cp is given as

Cp_l=-0.4 *0.6 +0.1 \int\limits^1_{0.6} \, dx =-0.4*0.6+0.4*0.1

The difference of the Cp over the airfoil is given as

\Delta Cp=Cp_l-Cp_u\\\Delta Cp=-0.4*0.6+0.4*0.1-(-0.8*0.6-0.4*0.1)\\\Delta Cp=-0.4*0.6+0.4*0.1+0.8*0.6+0.4*0.1\\\Delta Cp=0.4*0.6+0.4*0.2\\\Delta Cp=0.32

Now the Lift Coefficient is given as

C_L=\Delta C_p cos(\alpha_i)\\C_L=0.32\times cos(4*\frac{\pi}{180})\\C_L=0.3192

Now the coefficient of moment about the leading edge is given as

C_M=-0.3*0.4*0.6-(0.6+\dfrac{0.4}{3})*0.2*0.4\\C_M=-0.1306

So the lift coefficient is 0.3192 while that of the moment about the leading edge is-0.1306.

8 0
3 years ago
WILL AWARD BRAINLIEST
ValentinkaMS [17]
I think it is C because if have to send it to someone you would want them to be able to open it
3 0
3 years ago
A strip of chicken skin was excised for mechanical testing in tension. The initial dimensions of the rectangular specimen were 3
Stells [14]

Answer:

Table and chart are attached below

Explanation:

4 0
4 years ago
Two grenades, A and B, are thrown horizontally with different speeds from the top of a cliff 70 m high. The speed of A is 2.50 m
Aloiza [94]

Explanation:

uuui ielts k oshru with the best of my life u

3 0
3 years ago
Other questions:
  • Describe each of the following terms in the context of Ajax: a) type-ahead b) edit-in-place c) partial page update d) asynchrono
    11·1 answer
  • Identify the five protective factors
    10·2 answers
  • The gradual and uniform cooling of glass that has been heated in order to relieve random internal stresses is... Group of answer
    5·1 answer
  • Coefficients of friction always involve how many materials? a. 0 b. 1 c. 2 d. 3
    15·1 answer
  • Technician A says that the first step in diagnosing engine condition is to perform a thorough visual inspection. Technician B sa
    8·1 answer
  • For each topic, find the total number of blurts that were analyzed as being related to the topic. Order the result by topic id.
    6·1 answer
  • An open-open organ pipe is 73.5 cm long. An open-closed pipe has a fundamental frequency equal to the third harmonic of the open
    11·2 answers
  • For a ceramic compound, what are the two characteristics of the component ions that determine the crystal structure?
    13·1 answer
  • Explain briefly why the deposition rate is linearly proportional to the square- root of the flow rate at low flow-rates.
    14·1 answer
  • Hey guys! Anybody wanna talk, also i need math help.
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!