To pursue a career in space publishing the interest in the subject and the research about the interesting topics is most likely the reason a person can choose this option. Thus, option B is accurate.
What is space publishing?Space publishing is a career option that involves the space sciences and education that are brought together to make the content and texts that are related to the space.
It can be a good option for a professional career if the person is interested in learning and exploring the space sciences and will like to work in this field to enlighten the audience.
Therefore, option B. interest in space science will be the best reason to pursue a career in space publishing.
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A 90° elbow in a horizontal pipe is used to direct water flow upward at a rate of 45 kg/s. Another identical elbow is attached to the existing elbow such that the water flow makes a U-turn as shown in the second figure. The diameter of the entire elbow is 10 cm. The elbow discharges water into the atmosphere, and thus the pressure at the exit is the local atmospheric pressure. The elevation difference between the centers of the exit and the inlet of the elbow is 50 cm. The weight of the elbow and the water in it is considered to be negligible. Take the momentum-flux correction factor to be 1.03 at both the inlet and the outlet. Take the density of water to be 1000 kg/m3.
When a liquid flows in a horizontal pipe, the force component in horizontal direction is 650 N.
What is force?The force which acts on the liquid depends upon the density of fluid, it volume and acceleration due to gravity.
Given, mass flow rate m = 45 kg/s, D1 =D2 =10cm, density ρ =1000 kg/m³ and momentum flux correction factor is K =1.03.
Using the Bernoulli's theorem, we have
P1/ρg +V1²/2g +z1 =P2/ρg +V2²/2g +z2
P1/ ρg =z2 - z1 = 0.5 m
P1 = 4.905kPa
The force in horizontal direction is
Fx = P1A1 +ρQ(V1 - V2cosθ) x K
here θ =180°
ρAV1 =m =45
1000 x π/4x (0.1)² x V1 =45
V1 = 5.732 m/s
Fx =(4.905 x π/4 x 0.1²) x 10³ + 42 x 5.732 x 2
Fx = 650N
Thus, the force component in horizontal direction is 650N.
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Casein, a dairy product used in making cheese, contains 25% moisture when wet. A dairy sells this product for $40/100 kg. If requested, they will dry the casein to 12% moisture. The drying costs are $5/100 kg of water removed. Assume that that the dairy has 1000 kg of the original product (wet casein) that will be dried to 12% moisture and then sold. How much dried casein is produced (in kg)?
The answer is 852 (with margin 1). Why is it?
Based on the percent moisture content of the dried product, the mass of dried casein produced os 852.3 kg.
What is the mass of casein in wet casein?The mass of casein in 1000 Kg of wet casein is 75% 1000 kg = 750 Kg
Mass of water 250 kg
The mass of casein is constant while the moisture content can be changed.
At 12% moisture content;
750 kg = 88%%
100 % = 100 ×750/88 = 852.27 kg
Therefore, the mass of dried casein produced os 852.3 kg.
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If you are exposed to potentially infectious material via a sharps injury, what should you do immediately?
select the best option.
get the blood tested before washing it away.
report the injury.
wash the area with soap and water.
blot the area with a dry tissue.
Answer:
Soap and water
Explanation:
then report the injury....
what is an example of continuous delivery?
A binomial probability experiment is conducted with the given parameters. n=12, p=0.45, x<4 compute the probability of x success in the n independent trials of the experiment
a binomial probability experiment is conducted with the given parameters compute the probability of X successes in the n independent trials with experiment
Answer:0.1088 or 10.88%
Step-by-step
q = 1 - 0.35 = 0.65
P(X=2) = 12C2 × (0.35)² × (0.65)¹⁰
= 0.1088
Explanation:
Arnold has a contract to design hospital which factors should he incorporate into the design of the building?
Answer:
first one is (a) next one is (b)
Explanation:
The pattern of the new wallpaper in Kathleen’s bedroom is made of regular heptagons. Each heptagon can be decomposed into congruent triangles. What is the area of fabric in one heptagon?
Answer:
the given statement is true.
Explanation:
The ________ is considered the normal operating control of an air conditioner, according to the Standards of Practice. thermostat electrical breaker at the panel compressor override switch pressure valve of the refrigerant
Answer:
Thermostat
Explanation:
The thermostat is considered the normal operating control of an air conditioner, according to the Standards of Practice.
Which type of astm c150 standard portland cement is best suited for a concrete where minimal total heat evolution and minimal rate of heat evolution is a requirement, so that polymeric conduit running through the concrete is at low risk of enduring thermal expansion stresses or - worse - softening or creeping as the surrounding concrete hardens? group of answer choices
Consider the function f(n) = n
2 + 1000n, and do the following:
a) Prove that f(n) = O(n
3
) by finding a c0 and n0 such that f(n) ≤ c0 · n
3
for n > n0.
b) Prove that f(n) = O(n
2
) by finding a c1 and n1 such that f(n) ≤ c1 · n
2
for n > n1.
c) Prove that f(n) = Ω(n
2
) by finding a c2 and n2 such that f(n) ≥ c2 · n
2
for n > n2.
d) Prove that f(n) = Θ(n
2
) by finding a c3, c
′
3
, and n3 such that c3 · n
2 ≤ f(n) ≤ c
′
3
· n
2
for n > n3
get off this
Explanation:
Drawdown at a 0. 20-m diameter well, which has been pumping at a rate of 1,000 m3/day for a long enough time that steady-state conditions have been reached, is determined to be 0. 70 m. The aquifer is 10. 0 m thick. An observation well located 10 m away has been drawn down by 0. 20 m. Determine the hydraulic conductivity of the aquifer
Answer:the aquifer’s hydraulic conductivity is K = 10.039 m/day
transmissivity T = 331.287 m/day
the drawdown 100 m away from the well is s = 1.452 m
Explanation:Given that :
The constant pumps rate Q = 2000 m³/day
R₁ =160 m → H₁ = 249 m
R₂ = 453 m → H₂ = 250 m
The confined aquifer B is 33 m thick
The hydraulic conductivity K =
K =
K =
K = 10.039 m/day
Transmissivity T = K × B
T = 10.039×33
T = 331.287 m/day
TO find the drawdown 100 m away from the well; we have:
K =
H₃ = 248.548 m
Drawdown (s) = H₂ - H₃
s = (250 - 248.548)m
s = 1.452 m
The figure shows the region of integration for the integral.
Rewrite this integral as an equivalent iterated integral in the five other orders. Assume y(x) = 5 − x and z(x) = 25 − x2.
Answer:
first one is (a) next one is (b)
Explanation:
Linkage-style clutch control systems use a system of _______ between the clutch pedal and the clutch fork.
Linkage-style clutch control systems use a system of levers, cables, and rods between the clutch pedal and the clutch fork.
What is a clutch?A clutch can be defined as a mechanical device that is designed and developed to play the role of engaging and disengaging power transmission in the input shaft, so that the speed of input shaft can be changed as necessary.
In Mechanical engineering, linkage-style clutch control systems can use a system of levers, cables, and rods between the clutch pedal and the clutch fork.
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How long do graduate degrees typically take (per degree)?
1-2 years
3-6 years
5-7 years
7-10 years
The time taken typically for completing gradate degree is 3-6 years.
What is a graduate degree?
The graduate degree is the advanced level of academics after 12th standard. It depots advanced academic degree that is beneficial for students to brush-up their learnings of under graduation.
The time taken may vary degree to degree but it limits from 3 years until 6 years.
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On the suction side of a pump, a Bourdon pressure gage reads 40 kPa vacuum. What is the corresponding absolute pressure if the local atmospheric pressure is 100 kPa (abs)
The corresponding absolute pressure if the local atmospheric pressure is 100 kPa (abs) is 60 PKA.
What is an atmospheric strain?An atmospheric (atm) is a unit of size identical to the common air stress at sea stage at a temperature of 15 levels Celsius (fifty-nine levels Fahrenheit). One ecosystem is 1,013 millibars or 760 millimeters (29. ninety-two inches) of mercury. Atmospheric stress drops as altitude increases.
Atmospheric pressure absolute - absolute pressure = vacuum pressure.Atm p - abs p = vacc p.100 - abs= 40 .60 pkA.Read more about the vacuum pressure :
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Engine measurement is being discussed. technician a says the bore is the distance the piston moves within the cylinder. technician b says the stroke is the diameter of the cylinder. who is correct?
Answer:
Bore is the diameter of the cylinder.
Explanation:
Stroke is the distance the piston moves up and down in the cylinder.
i wouldn't listen to technician A anymore.
Discuss the microstrucral transformation of eutectic reaction, hypo-eutecticand hyper eutectic. Including temperature, reactions and microstrucral development/phases(draw diagrams)
Answer:
how will i draw diagram
Explanation:
Answer:
At eutectic there are 3phases present.
Explanation:
An overload is the same as a short or ground fault
An 8cm water jet with a velocity of 25m/s impinges on a single vane in same direction at a velocity of 20m/s. If β2 = 160o and friction losses over the vane are such that v2 = 0.8v1, calculate the force exerted by water on the vane, and its direction.
a. An 8cm water jet with a velocity of 25m/s impinges on a single vane in same direction at a velocity of 20m/s. If B2 = 1600 and friction losses over the vane are such that v2 = 0.8v1, calculate the force exerted by water on the vane, and its direction. (14 Marks) b. A closed vertical cylinder 400mm in diameter and 500mm high is filled with oil of relative density 0.9 to a depth of 340 mm, the remaining volume containing air at atmospheric pressure. The cylinder is rotated around its vertical axis at such a speed that oil just begins to uncover the base. Calculate the speed of rotation for this condition. (8 Marks) c. A point A on the free surface of a free vortex is at radius 250 mm and height 180mm above datum. If a free surface at a distance from the axis of the vortex, which is sufficient for its effects to be negligible, is 220mm above datum, calculate the height above datum of a point B on the free surface
elements of parallel computing
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Elements of parallel computing:Computer systems organization. Computing methodologies. General and reference. Networks. Software and its engineering.Theory of computation.What is the minimum level of isolation required on T2 such that T2 never sees a value of zero in its output
Answer:
The speed is minimum at t = 4 seconds.
The position function of a particle is given by
The velocity is given as,
Speed is computed as,
Differentiate above expression and equate to zero.
Thus, speed is minimum at t = 4 seconds.
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Explanation:
contrast moral and immoral creativity and innovation
Moral creativity and innovation are based on original discoveries, whereas immoral innovation is based on unscrupulous actions.
What is innovation?Innovation refers to the practices aimed at developing new products and services for the well-being of society.
Moral innovation is an expression generally used to describe technological advancements based on intellectual property rights.
In conclusion, moral creativity and innovation are based on original discoveries, whereas immoral innovation is based on unscrupulous actions.
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Discuss the microstrucral transformation of eutectic reaction, hypo-eutecticand hyper eutectic. Including temperature, reactions and microstrucral development/phases(draw diagrams)
Answer:
where do i draw
Explanation:
I need a description of a train station. Urgent. Thanks a lot
Answer:
The entire place was dark and cold as the train whooshed by. This place was nothing like Platform 9 and 3/4. The rain was loud on the roof of the station, but you could still hear the faint noises of a violin. "20 pence for requests" read a sign from a man who's just trying to get by.
Explanation:
hope this helps:)
Safety nets must absorb the force of a 400 this is referred to as.
In addition to science courses like physics and chemistry, what other types of courses are becoming increasingly relevant to space science careers?
history
computer science
religious studies
civil engineering
Computer science and Civil engineering
What is Space science?
Space science is the study of the area beyond the earth’s atmosphere. Computer science cuts across most disciplines as computers is useful almost all areas. Civil engineering is a broad engineering discipline studying necessities of continuous human existence. The study is not directly involved to space science but gives fundamental knowledge that will be useful to space scientists The knowledge of civil engineering will help in determining the possibility of human survival in space
Write a code about Sum of Natural Numbers using loop in c++
Answer:
Sum of Natural Numbers using loop #include <iostream> using namespace std; int main() { int n, sum = 0; cout << "Enter a positive integer: "; cin >> n; for (int i = 1; i <= n; ++i) { sum += i; } cout << "Sum = " << sum; return 0; } Output. Enter a positive integer: 50 Sum = 1275
Explanation:
4 Select the correct answer. A brand selling home appliances conducts a customer survey. The following table indicates the results of the survey. What percent of people are satisfied with the company and are likely to be loyal to the brand? OA 9% B. 12% О с. 14% OD. 45% О Е. 60%
A shaft encoder is mounted on a 50 mm radius tracking wheel to monitor linear displacement. If the encoder produces 400 pulses per revolution. What is the linear displacement in mm per pulse?
The linear displacement in mm per pulse is gotten as; 254.64 mm per pulse
How to Calculate Linear Displacement?Circumference of a circle is;
C = 2πr
We have;
Radius; r = 50 mm = 0.05 m
Thus;
C = 2π * 0.05
C = 0.3142 m
Angular displacement = 0.2/0.3412
Angular displacement = 0.6366
Formula for linear displacement is;
Linear Displacement = angular displacement * number of pulses per revolution
Linear Displacement = 0.6366 × 400
Linear displacement = 254.64 mm per pulse
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The __________ is normally inspected when high-side pressures are too high and the system is not cooling well.
The condenser is normally inspected when the high-side pressures are too high in a refrigerator etc.
What is a Condenser?This is defined as a device which reduces a gas or vapour to a liquid and is normally inspected when the high-side pressures are too high.
When this occurs , it therefore means the system is not cooling well which could damage other parts.
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