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Alisiya [41]
4 years ago
6

Kkhghghglgghklghghghlk

Engineering
2 answers:
LenKa [72]4 years ago
7 0

Answer:

yes nwnvaknjvkabrqwufjdn sc,dakqenwfjweofjnfqjeufljebfou34fholf

Explanation:

why not

RideAnS [48]4 years ago
3 0

Answer:

hLDskjdbKSABCLABJC

Explanation:

BECAUSE

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A normal shock wave takes place during the flow of air at a Mach number of 1.8. The static pressure and temperature of the air u
Darina [25.2K]

Answer:

The pressure upstream and downstream of a shock wave are related as

\frac{P_{1}}{P_{o}}=\frac{2\gamma M^{2}-(\gamma -1)}{\gamma +1}

where,

\gamma= Specific Heat ratio of air

M = Mach number upstream

We know that \gamma _{air}=1.4

Applying values we get

\frac{P_{1}}{100kPa}=\frac{2\times 1.4\times 1.8^{2}-(1.4 -1)}{1.4 +1}\\\\\frac{P_{1}}{100kPa}=3.61\\\\\therefore P_{1}=361.33kPa(Absloute)

Similarly the temperature downstream is obtained by the relation

\frac{T_{1}}{T_{o}}=\frac{[2\gamma M^{2}-(\gamma -1)][(\gamma -1)M^{2}+2]}{(\gamma +1)^{2}M^{2}}

Applying values we get

\frac{T_{1}}{423}=\frac{[2\times 1.4\times 1.8^{2}-(1.4-1)][(1.4-1)1.8^{2}+2]}{(1.4+1)^{2}\times 1.8^{2}}\\\\\therefore \frac{T_{1}}{423}=1.53\\\\\therefore T_{1}=647.85K=374.85^{o}C

The Mach number downstream is obtained by the relation

M_{d}^{2}=\frac{(\gamma -1)M^{2}+2}{2\gamma M^{2}-(\gamma -1)}\\\\\therefore M_{d}^{2}=\frac{(1.40-1)\times 1.8^{2}+2}{2\times1.4\times 1.8^{2}-(1.4-1)}\\\\\therefore M_{d}^{2}=0.38\\\\M_{d}=0.616

3 0
4 years ago
Determine the atmospheric pressure at a location where the barometric reading is 760 mm Hg and the gravitational acceleration is
uysha [10]

Answer:

The atmospheric pressure is found to be 104.378kPa

Explanation:

We know that pressure exerted by a standing column of fluid is calculated using the equation

P=\rho _{fluid}\times gh

In our case the pressure of the standing column of mercury is equal to the atmospheric pressure.

According to the given data we have

\rho _{fluid}=14000kg/m^{3}

g=9.81m/s^{2}

h=760mm=0.76m

Using the values in the equation above we calculate atmospheric pressure to be

P_{atm}=14000\times 9.81\times 0.760\\\\=104.378kPa

8 0
4 years ago
Describe two factors that limit the design of roller coasters
serious [3.7K]

Answer:

The factors according to the given topic are summarized below.

Explanation:

  • The biggest aspect becomes G forces but instead if they are handled by that of the living organism.
  • Coasters were already continually changing, becoming special than it's ever been and year by year they hit unprecedented levels of tremendous growth. Higher, more quickly, prolonged although innovative components have been utilized.
3 0
3 years ago
11. When an exit is on the left-hand side of an expressw
bija089 [108]
C because it’s in the dmv
5 0
3 years ago
Write a Nested While Loop that will increment the '*' from 1 to 10.
andrey2020 [161]

Answer:

The program is as follows:

i = 1

while(i<11):

   j = 1

   while(j<=i):

       print('*', end = '')

       j += 1

   i += 1

   print()

Explanation:

Initialize i to 1

i = 1

The outer loop is repeated as long as i is less than 11

while(i<11):

Initialize j to 1

   j = 1

The inner loop is repeated as long as j is less than or equal i

   while(j<=i):

This prints a *

       print('*', end = '')

This increments j and ends the inner loop

       j += 1

This increments i

   i += 1

This prints a blank and ends the inner loop

   print()

8 0
3 years ago
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