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denis-greek [22]
3 years ago
8

The streamlines for an incompressible, inviscid, two dimensional flow field are all concentric circles, and the velocity varies

directly with the distance from the common center of the streamlines; that iswhere K is a constant. (a) For this rotational flow, determine, if possible, the stream function. (b) Can the pressure difference between the origin and other point be determined from the Bernoulli equation? Explain.

Engineering
1 answer:
tatyana61 [14]3 years ago
7 0

Answer:

You can find your answer in the attached files. Please have a look at it.

Explanation:

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Estimating is important in construction industry because
Goshia [24]

Answer:

a( contractors need to know the amount of markup)

because the contractor should have a long term vision for a proper satisfaction to the people.

8 0
3 years ago
Explain why Didymos B is an ideal asteroid for testing the DART system.​
Yanka [14]

Answer:

Rhe fact that Didymos B is in orbit around Didymos A makes it easier to see the results of the impact, and ensures that the experiment doesn't change the orbit of the pair around the sun.” After launch, DART would fly to Didymos, and use an on-board autonomous targeting system to aim itself at Didymos B

Explanation:

8 0
3 years ago
List irreversibilities
natali 33 [55]

Answer:

Some of the irreversibilities are listed below:

  • Plastic deformation of solids
  • Transfer of heat over finite difference of temperature
  • When two fluids are mixed together the process is irreversible
  • Combustion of a gas
  • Current flowing through a finite resistor
  • Diffusion and free compression or expansion of gas
  • Relative motion of body with force of friction
  • Processes involving chemical reactions(spontaneous)

6 0
3 years ago
A vineyard owner is planting several new rows of grapevines, and needs to know how many grapevines to plant in each row. She has
boyakko [2]

Answer:

Finally, display the number of grapevines that will fit in the row

Explanation:

A vineyard owner is planting several new rows of grapevines, and needs to know how many grapevines to plant in each row. She has determined that after measuring the length of a future row, she can use the following formula to calculate the number of vines that will fit in the row, along with the trellis end-post assemblies that will need to be constructed at each end of the row:

V=R-2E/S

The terms in the formula are:

V is the number of grapevines that will fit in the row.

R is the length of the row, in feet.

E is the amount of space, in feet, used by an end-post assembly.

S is the space between vines, in feet.

Write a program that makes the calculation for the vineyard owner. The program should ask the user to input the following:

• The length of the row, in feet

• The amount of space used by an end-post assembly, in feet

• The amount of space between the vines, in feet

Once the input data has been entered, the program should calculate and display the number of grapevines that will fit in the row.

• Declare the variables amountSpace, vinesSpace, and grapevines of double type.

• Prompt and read the length of the row, in feet, the amount of space, in feet, and the space between vines, in feet.

• Calculate the number of grapevines that will fit in the row using the below formula:

grapvines=(rowLength-2*amountSpace)/vinesSpace;

• Finally, display the number of grapevines that will fit in the row.

8 0
3 years ago
25 points!!
adell [148]
Answer 1:

Like most electrical mechanical devices, electric motors have mechanical bearings that eventually wear out.

The graphite brushes and commutator of older DC motors can also wear out over time

Answer2:

Question two is not specific enough!!
Are we talking DC?? Because if so, then yes, nothing will happen. Assuming you are insulted by ground.
Ac is a different story, as the two would light up dangerously and etc.

-your welcome!!
5 0
3 years ago
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