Consider an air conditioner running with R-134a on a cycle executed under the saturation dome between the pressure limits of 0.8 MPa and 0.12 MPa. (The statement that the process takes place under the saturation dome means that the working fluid is always in the two phase (saturated gas/liquid mixture) region.) What is the maximum Coefficient of Performance of this air conditioner
Answers
The maximum Coefficient of Performance (COP) of this air conditioner operating between the pressure limits of 0.8 MPa and 0.12 MPa on the saturation dome is determined by the Carnot efficiency.
What factor determines the maximum Coefficient of Performance of an air conditioner operating between the saturation dome under given pressure limits?
The maximum Coefficient of Performance (COP) of an air conditioner operating on the saturation dome between specific pressure limits is determined by the Carnot efficiency, which is based on the temperature limits of the cycle and the temperature of the surroundings.
The Coefficient of Performance (COP) is a measure of the efficiency of an air conditioner and is defined as the ratio of the desired output (cooling effect) to the required input (energy consumed). The Carnot efficiency provides the upper limit for the COP, and it depends on the temperatures of the hot and cold reservoirs. In this case, since the air conditioner operates within the saturation dome, the temperature limits are determined by the corresponding saturation temperatures at the given pressure limits of 0.8 MPa and 0.12 MPa.
Learn more about the Carnot efficiency and its relationship to the maximum Coefficient of Performance (COP) in air conditioners.
The Carnot efficiency is a theoretical limit for the efficiency of any heat engine or refrigeration cycle. It is based on the temperature difference between the hot and cold reservoirs. In the case of an air conditioner, the maximum Coefficient of Performance (COP) is achieved when the air conditioner operates at the Carnot efficiency. The COP is directly proportional to the Carnot efficiency and provides a measure of the effectiveness of the air conditioner in producing the desired cooling effect. By operating within the saturation dome, the air conditioner ensures that the working fluid remains in a two-phase (saturated gas/liquid mixture) region, maximizing the potential for heat transfer and improving the overall efficiency of the system.
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The maximum COP is always less than the COP of the Carnot cycle operating between the same temperature limits.
The maximum Coefficient of Performance (COP) of the given air conditioner running with R-134a on a cycle executed under the saturation dome between the pressure limits of 0.8 MPa and 0.12 MPa can be calculated using the following steps:
Step 1: Calculate the enthalpy at the inlet (h1) and outlet (h2) of the evaporator using the given pressure limits of 0.8 MPa and 0.12 MPa and the saturation tables for R-134a.
Step 2: Calculate the enthalpy at the inlet (h3) and outlet (h4) of the condenser using the given pressure limits of 0.8 MPa and 0.12 MPa and the saturation tables for R-134a.
Step 3: Calculate the heat absorbed by the evaporator, Qe = h2 - h1.
Step 4: Calculate the work done by the compressor, W = h3 - h2.
Step 5: Calculate the heat rejected by the condenser, Qc = h3 - h4.
Step 6: Calculate the COP of the air conditioner, COP = Qe / W = Qe / (h3 - h2).
Since the process takes place under the saturation dome, the working fluid is always in the two phase (saturated gas/liquid mixture) region. Therefore, the enthalpy values can be directly obtained from the saturation tables for R-134a using the given pressure limits.The maximum COP of this air conditioner can be obtained by using the ideal reversible cycle, which is the Carnot cycle. However, the Carnot cycle is not achievable in practice due to the presence of irreversibilities in the actual cycle.
Therefore, the maximum COP is always less than the COP of the Carnot cycle operating between the same temperature limits.
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Related Questions
g The pump inlet is located 1 m above an arbitrary datum. The pressure and velocity at the inlet are 100 kPa and 2 m/s, respectively. The pump exit is located 4 m above the same datum. The pressure and velocity are 500 kPa and 3 m/s, respectively. How much power is required to drive this pump assuming and efficiency of 75%
Answers
Answer:
The power needed to drive this pump assuming and efficiency of 75% is 1874.0 watts (W)
Explanation:
Solution:
Given that:
Velocity = 2 m/s
Pressure = 100 kPa
The pump exit is =4 m
Efficiency 75%
Thus,
We apply the method called the Bernoulli's equation between two reservoirs
p₁ / ps + v₁²/2g + z₁
=p₂/ps/v₂²/2g +z₂ + hL
The density of gasoline (pg) is = 680 kg m³
The gravity of acceleration is known to be =9.81 m/s²
So,
100/680 *9.81 + 2²/2 *9.81 + 1 = 500/ 680 * 9.81 + 3²/2 * 9.81 +4 + hL
16. 2 = 79.41 + hL
hl =79.41 - 16.2
hL =63.21 m
the unit weight of gasoline is(γ) = 680 * 9.81 = 6670.8 m/s
Now we find the efficiency
The efficiency (η) = The output power /Input power
Where hL =H
The input power = γ * Q * H/0.75
=6670.8 *12/3600 * 63.21
=6670.8 * 0.333 * 63.21
=6670.8 *0.2107
=1405.5/0.75
The input power =1874.0 Watts
Which method could be used to convert a numeric value to a string? a str b value cnum d chr True/False: Both of the following for clauses would generate the same number of loop iterations: for num in range (4): for num in range (1,5): What is the result of the following statement? x = random.randint (5, 15) * 2 a A random integer from 5 to 15, multiplied by 2, assigned to the variable x b A random integer from 5 to 15 assigned to the variable x C A random integer from 5 to 15, selected in 2 steps, assigned to the variable x d A random integer from 5 to 15, raised to the power of 2, assigned to the variable A(n) _gives information regarding the line number(s) that caused an exception. a) Reverse b) Traceback block c) Exception d) Try block Which block gets executed even if the error occours or it doesn't a. Finally b. Try c. Except d. Else What would you use if an element is to be removed from a specific index? a del statement b remove method Cindex method d slice method True/False: Strings can be written directly to a file with the write method, but numbers must be converted to strings before they can be written. Which mode specifier will open a file but will not let you change the file or write to it? a w br
Answers
Answer:
Which method could be used to convert a numeric value to a string? a str b value cnum d chr True/False: Both of the following for clauses would generate the same number of loop iterations: for num in range (4): for num in range (1,5): What is the result of the following statement? x = random.randint (5, 15) * 2 a A random integer from 5 to 15, multiplied by 2, assigned to the variable x b A random integer from 5 to 15 assigned to the variable x C A random integer from 5 to 15, selected in 2 steps, assigned to the variable x d A random integer from 5 to 15, raised to the power of 2, assigned to the variable A(n) _gives information regarding the line number(s) that caused an exception. a) Reverse b) Traceback block c) Exception d) Try block Which block gets executed even if the error occours or it doesn't a. Finally b. Try c. Except d. Else What would you use if an element is to be removed from a specific index? a del statement b remove method Cindex method d slice method True/False: Strings can be written directly to a file with the write method, but numbers must be converted to strings before they can be written. Which mode specifier will open a file but will not let you change the file or write to it? a w br
Explanation:
a) str method could be used to convert a numeric value to a string.
True. Both for clauses would generate the same number of loop iterations.
a) A random integer from 5 to 15, multiplied by 2, assigned to the variable x.
b) Traceback block gives information regarding the line number(s) that caused an exception.
a) Finally block gets executed even if the error occurs or it doesn't.
b) remove method is used to remove an element from a specific index.
False. Both strings and numbers can be written directly to a file with the write method.
b) r mode specifier will open a file but will not let you change the file or write to it.
Answer:
To convert a numeric value to a string, the method that could be used is "str."
True. Both "for" loops will generate the same number of iterations.
The result of the statement "x = random.randint(5, 15) * 2" is a) A random integer from 5 to 15, multiplied by 2, assigned to the variable x.
The information regarding the line number(s) that caused an exception is given by the traceback block.
The block that gets executed even if the error occurs or not is the "finally" block.
To remove an element from a specific index, we can use the "del" statement.
True. Strings can be written directly to a file with the write method, but numbers must be converted to strings before they can be written.
The mode specifier that will open a file but will not let you change the file or write to it is "r" (read-only) mode.
Explanation:
If you can choose among three lanes on your side of the road,
a. pick the right lane for the smoothest driving
b. use the middle lane to drive slowly, enter, or turn off the road
c. use the left lane to go faster, pass, or turn left
h
Answers
Division (DID, dname, managerID)
Employee (empID, name, salary, DID)
Project (PID, pname, budget, DID)
Workon (PID, EmpID, hours)
1. List the total number of projects that 'engineering' division employees are working on
Answers
Answer:
Assuming 'engineering' is the name of the division in the 'dname' field of Division table, the query would look like this:
SELECT COUNT(DISTINCT p.PID)
FROM Project p
JOIN Division d ON p.DID = d.DID
JOIN Workon w ON p.PID = w.PID
JOIN Employee e ON w.EmpID = e.empID
WHERE d.dname = 'engineering';
This query operates by joining the necessary tables together and counting the distinct number of project IDs (PID) associated with the 'engineering' division.
Student A says that wires on a screw-type terminal connection should be installed as shown in Figure A - 5 . Student 8 says that wire nut connections are a type of soldere connection. Which of the following statements is correct?
Answers
Answer:
Student A
Explanation:
There is no reason to solder a wire nut connection because the nut already makes a mechanical connection.
. consider the following statements: a.) liquid moves faster in a turbulent flow than in a laminar flow; b.) turbulent flow produces more noise than laminar flow; c.) laminar flow does not change in time (it is a quasi-steady state), while turbulent flow is unsteady; d.) streamlines of a laminar flow stick together, but diverge in a turbulent case.
Answers
Real-world fluid flows can exhibit a combination of laminar and turbulent characteristics, depending on factors such as flow velocity, fluid properties, and the presence of obstacles or disturbances.
a) Liquid moves faster in a turbulent flow than in a laminar flow.
This statement is generally true. In a turbulent flow, the fluid moves in a chaotic manner, characterized by eddies and swirling motion. This turbulent motion enhances the mixing and transport of fluid particles, which can result in higher overall flow velocities compared to laminar flow, where fluid moves smoothly in parallel layers.
b) Turbulent flow produces more noise than laminar flow.
This statement is generally true. Turbulent flow is associated with fluctuating velocities and pressure fluctuations, which can generate noise. The irregular motion and collisions of fluid particles in turbulent flow create vibrations and sound waves, resulting in higher noise levels compared to the smooth, ordered flow of laminar flow.
c) Laminar flow does not change in time (it is a quasi-steady state), while turbulent flow is unsteady.
This statement is generally true. Laminar flow is characterized by smooth and ordered flow with parallel streamlines. It remains relatively constant over time, assuming steady conditions. On the other hand, turbulent flow is characterized by irregular and unsteady motion with constantly changing velocities and pressure fluctuations. Turbulent flow exhibits fluctuations in time and space due to the presence of eddies and vortices.
d) Streamlines of a laminar flow stick together, but diverge in a turbulent case.
This statement is generally true. In laminar flow function, adjacent fluid particles move smoothly and in parallel along the streamlines without significant mixing or cross-stream diffusion. As a result, the streamlines tend to remain close together and maintain their initial separation. In turbulent flow, however, the chaotic motion and mixing of fluid particles cause streamlines to diverge and become highly convoluted, leading to intermingling and spreading of fluid particles. Real-world fluid flows can exhibit a combination of laminar and turbulent characteristics, depending on factors such as flow velocity, fluid properties, and the presence of obstacles or disturbances.
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a pair of large hydraulically operated shears is attached to the end of the boom on an excavator. the shear is used for cutting steel pipe and i-beams during demotion work. hydraulic cylinder ab exerts an 18kn force on the upper jaw. (a) complete the free-body diagram of the upper jaw, which has been only partially drawn. (b) determine the cutting force f being applied to the pipe.
Answers
Answer:
(a)
Free-body Diagram:
Upper Jaw:
F= 18kN
Friction force
Normal force
(b)
The cutting force f being applied to the pipe is equal to the force exerted by the hydraulic cylinder, 18kN.
A total of 10 rectangular aluminum fins (k = 203 W/m·K) are placed on the outside flat surface of an electronic device. Each fin is 100 mm wide, 20 mm high and 4 mm thick. The fins are located parallel to each other at a center-to-center distance of 8 mm. The temperature at the outside surface of the electronic device is 72°C. The air is at 20°C, and the heat transfer coefficient is 80 W/m^2·K. Determine:
a. the rate of heat loss from the electronic device to the surrounding air
b. the fin effectiveness.
Answers
Answer:
a. the rate of heat loss from the electronic device to the surrounding air
A total of 10 rectangular aluminum fins (k = 203 W/m·K) are placed on the outside flat surface of an electronic device. Each fin is 100 mm wide, 20 mm high and
4 mm thick. The fins are located parallel to each other at a center-to-center distance of 8 mm. The temperature at the outside surface of the electronic device is 72°C. The air is at 20°C, and the heat transfer coefficient is 80 W/m2·K. Determine (a) the rate of heat loss from the electronic device to the surrounding air and (b) the fin effectiveness.
Explanation:
Sorry if wrong, Hope I helped
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Problem 2: Question
Consider the circuit diagram below. Reduce this circuit to an equivalent circuit containing only a voltage source and a single resistor.
Note: Your conclusion should state the value of the resistor in the reduced circuit.
Answers
STINGY SAT is the following problem: given a set of clauses (each a disjunction of literals) and an integer k, find a satisfying assignment in which at most k variables are true, if such an assignment exists. Prove that STINGY SAT is NP-complete
Answers
In B, there can be no boundaries separating different pieces. Assume there was a contradiction.
Because it passes between two vertices that were left unaffected by the maximum matching edges, the edge may have been added to expand the size of the maximum matching. This goes against our presumption that the matching was the best possible match, hence edges between different parts of B are not viable. All of the graph's edges must therefore either be part of the maximum matching or be - between a vertex in B and one that is the terminal of a maximum matching edge. Choose a vertex in B specifically if one of the endpoints has an edge to it. It doesn't matter which one you choose if not.
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explain why steel is ductile at room temperature, but may be brittle at a low temperature. (b) a number of treatments can affect the yield strength of the steel, e.g., work hardening, tempering (modifying the precipitates), grain growth (changing the grain size), etc. to minimize the brittle-to-ductile transition temperature (tbd), should we try to increase or decrease the yield strength?
Answers
Steel is ductile at room temperature, but it may become brittle at low temperatures. Steel, in its pure form, is a crystalline structure that has iron atoms in the center of the cube, surrounded by atoms of carbon or iron.
This lattice structure enables the iron and carbon atoms to move freely, making steel ductile. This ductility is due to the ease with which iron and carbon atoms are allowed to slide past each other when under stress, resulting in the ductile nature of steel. It means steel can be formed or stretched into various shapes without breaking or cracking. In the case of low temperatures, the atoms within the lattice structure are restricted in their movement, limiting the ability of iron and carbon atoms to slide past each other. The brittleness of steel increases as the temperature decreases, limiting its ductility. The yield strength of steel can be influenced by several processes, including work hardening, tempering, and grain growth. Increasing the yield strength increases the brittle-to-ductile transition temperature, resulting in increased brittleness. This leads to an increased risk of failure of steel structures. Decreasing the yield strength of steel reduces the brittle-to-ductile transition temperature, resulting in a higher ductility for steel. It would be better to reduce the yield strength of steel to minimize the brittle-to-ductile transition temperature.
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Please help as soon as possible
Answers
A gauge on the recirculating pump header in an over-feed system is an accurate representation of actual pump pressure. This is False.
How to explain the informationA gauge on the recirculating pump header in an over-feed system is not an accurate representation of the actual pump pressure, as the pressure drop across the orifice plate in the feeder line will cause a pressure loss between the pump discharge and the gauge location.
Therefore, the gauge reading will be lower than the actual pump pressure. To obtain an accurate measurement of the pump pressure, the gauge should be installed directly on the pump discharge.
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The thrust angle is checked by referencing
oa. rear toe
ob. front toe
oc. vehicle centerline
od. caster
Answers
In Engineering, the thrust angle is checked by referencing: C. vehicle centerline.
What is a thrust angle?A thrust angle can be defined as an imaginary line which is drawn perpendicularly from the centerline of the rear axle of a vehicle, down the centerline.
This ultimately implies that, the thrust angle is a reference to the centerline (wheelbase) of a vehicle, and it confirms that the two wheels on both sides are properly angled within specification.
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If C1= 20 micro farad and CW= 10 micro farad are connected in series in a simple electric circuit,then find the total capacitance
Answers
The total capacitance of the given electric circuit is 30 microfarad.
Define capacitance.
The ability of a physical thing or equipment to store electric charge is known as capacitance. The capacitance is quantified by the ratio of those values, which represents the change in charge in response to a variation in electric potential.
When an earthed conductor is moved close to a conductor, its capacitance increases, which is how capacitors operate. The capacitor, therefore, contains two parallel plates that are spaced apart by a certain amount of gap and oriented in opposing directions. The formula C=Q/V is used to determine a capacitor's capacitance based on its charge, Q, and its voltage, V.
Solution Explained:
Given, C1 = 20microfarad and CW = 10 microfarad
Since they are in series,
Total capacitance = C1 + CW = 20 + 10 = 30microfarad
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what is the most common type of suspensions system used on body over frame vehicles?
Answers
Answer:
Engine
Explanation:
Semi-independent suspension is the most common type of suspension system used on body over frame vehicles.
What is a Semi-independent suspension?Semi-independent suspension give the front wheels some individual movement.
This suspension only used in rear wheels.
Thus, the correct option is Semi-independent suspension
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what is the division of demand
Answers
What are the indications that Cece is having problems
with her computer hardware? Check all that apply
-losing the Internet connection
-waiting for five minutes
-computer going blank
-mouse pointer freezing
-keyboard getting stuck
Answers
Answer:
-Computer going blank .
-Mouse pointer freezing.
-Keyboard getting stuck.
Explanation:
Any problems with the computer related to its hardware will consist of issues directly related to the physical components of the PC or computer. So any problem involving the physical component of the computer, then it can be termed as a hardware problem.
Based on the problems given in the option, the hardware issues will be problems with the computer, mouse, and keyboard. These form the physical parts of the computer so they will be a hardware issue.
Thus, the correct answers are the third, fourth, and fifth options.
Answer:
c d e
Explanation:
analysis of structure
Answers
True or false. flashing arrow panels are only used at night.
Answers
The flashing arrow panels are not used just at night but are used even during the day time. These are necessary to give the directional information to the drivers. Thus, the given statement is false.
What are the safety instructions?The safety instructions are necessary for the drivers as absence of these would lead to increased number of accidents which could lead to death of a number of people. The flashing arrow panels is one of these instructions.
Flashing arrow panels are used during the day as well as at the night to give advance warning and directional information to the drivers where it is required to move to the right or to the left into another lane.
Some of the safety systems used at level crossings include amber and red warning lights on majority of roads, people should stop when the amber lights come on, unless vehicle has already crossed the stop line.
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1.3
A tensile load of 50,000 lb is applied to a metal bar with a 0.6 in. x 0.6 in.
cross section and a gauge length of 2 in. Under this load, the bar elastically
deforms so that the gauge length increases to 2.007 in. and the cross section
decreases to 0.599 in. x 0.599 in. Determine the modulus of elasticity and
Poisson's ratio for this metal.
Answers
Answer:
modulus =3.97X10^6 Ib/in^2, Poisson's ratio = 0.048
Explanation:
Deviations from the engineering drawing can’t be made without the approval of the
Answers
Engineer's approvall makes it appropriate to alter from the drawing
What is Engineering drawing?Engineering drawing is a document that contain the design of an engineer represented in a sketch.
deviating fron the drawing is same as deviating from the design. it is therefore necessary to call the engineers attention before altering the drawing.
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function of a regulator
Answers
Answer:
the function of the regulator in a power supply:-
A voltage regulator is a component of the power supply unit that ensures a steady constant voltage supply through all operational conditions. It regulates voltage during power fluctuations and variations in loads. It can regulate AC as well as DC voltages.
Explanation:
(❁´◡`❁)
Answer:-
The power of regulators to grant significant benefits to, or impose restrictions or penalties on, members of the public – and the extra profits to be gained from avoiding regulations – increases the risks of corruption. Regulators also have a role in collecting and protecting government revenue.
Imagine que le piden diseñar una varilla cilíndrica
de acero de 50. 0 cm de longitud, con sección transversal
circular, que conducirá 150 J/s desde un horno a 400°C a un
recipiente con agua hirviente que está a una atmósfera. ¿Qué
diámetro debe tener la varilla?
Answers
As a result, the varilla needs to be around 5.1 cm in diameter in order to transfer 150 J/s of heat from the oven at 400°C to a container filled with water that is boiling at 100°C.
How is the heat transference through radiation calculated?H = eAT4, where e is the material's emisividad, an adimensional number between 0 and 1 that describes the relationship between a given surface's radiation level and that of an area that is identical to an ideal radiant surface at the same temperature.
We must apply Fourier's Law of Heat Conduction to get the circumference of the circular varilla:
Qt/(k(T2 - T1)*L) A = pi*(d2)/4 where d is the diameter of the varilla. Q/t = kA(T2 - T1)/L A.
Descending D, we obtain:
0.051 m or 5.1 cm is equal to d = sqrt((4A)/pi) = sqrt((40.0013 m2)/pi)
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what are the outputs of process selection and capacity planning?
Answers
Facilities/equipment, Layout, and Work Design are outcomes of capacity planning and process selection.
What does "capacity planning" mean?Capacity planning refers to the method that balancing existing resources to meet project capacity requirements or customer demand. The quantity of work that can be finished in a specific length of time is referred to as capacity in program management and production.
What does capacity planning serve?Making ensuring your distribution network is constantly prepared and equipped to meet demand is the aim of capacity planning. By incorporating this kind of strategy development into your workflow, you may better meet deadlines, expand your firm, and boost your profits.
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A three-phase, 60-Hz, completely transposed 345-kV, 200-km line has two 795,000-cmil (403-mm2) 26/2 ACSR conductors per bundle and the following positive-sequence line constants: z 0.032 + 10.35 /km y j4.2 x 10-6 S/km Full load at the receiving end of the line is 700 MW at 0.99 p.f. leading and at 95% of rated voltage. Assuming a medium-length line, determine the following:
a. ABCD parameters of the nominal π circuit
b. Sending-end voltage Vs, current Is, and real power Ps
c. Percent voltage regulation
d. Transmission-line efficiency at full load
Answers
Answer:
B) sending end voltage : Vs-l-l = 345.8 ∠ 26.14⁰ kv
sending end current : Is = 1.241 ∠ 15.5⁰ KA
real power = 730.5 Mw
C) percent voltage regulation = 8.7%
D) Transmission line efficiency = 95.8%
Explanation:
attached is the detailed solution to the problem
Given data:
l = 200 km
z = 0.032 + j0.35 Ω/km
y = j4.2 * 10^-6 S/km
A) find the total series impedance and shunt admittance
B) sending end voltage : Vs-l-l = 345.8 ∠ 26.14⁰ kv
sending end current : Is = 1.241 ∠ 15.5⁰ KA
real power = 730.5 Mw
C) percent voltage regulation = 8.7%
D) Transmission line efficiency = 95.8%
A cantilever beam AB of length L has fixed support at A and spring support at B.
The spring behaves in a linearly elastic manner with stiffness k. If a concentrated
load P is applied at B, use any type of method to find:
(i) the force in the spring
Fb
,
(ii) the downward displacement
B
of end B. (15%)
Answers
The force in the spring will be \(F =\dfrac{KPl^3}{3EI}\).
The deflection of the beam will be \(\rho\) = \(0.15(\dfrac{KPL^3}{3EI})\)
What is a cantilever beam?A rigid, horizontally extending structural member known as a cantilever is supported at only one end. Typically, it extends from a solidly affixed flat vertical surface, such as a wall.
Given that:-
A cantilever beam AB of length L has fixed support at A and spring support at B.The spring behaves in a linearly elastic manner with stiffness k. If a concentrated load P is applied at B.The spring force will be calculated as:-
\(F = kx\)
Deflection will be given by:-
\(x = \dfrac{PL^3}{3EI}\)
The spring force will be calculated by:-
\(F = \dfrac{KPL^3}{3EI}\)
The deflection of the beam will be given as:-
\(\rho = \dfrac{0.15KPL^3}{3EI}\)
Therefore the force in the spring will be \(F =\dfrac{KPl^3}{3EI}\)..The deflection of the beam will be \(\rho\) = \(0.15(\dfrac{KPL^3}{3EI})\)
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QUESTÃO 13. Explique o uso das aspas no trecho "Darei a cada uma de vocês
semente. Aquela que dentro de seis meses me trouxer a mais bela flor será escolhida ma
esposa e a futura imperatriz da China.".
QUESTÃO 14. A serva do palácio considerou a ideia de a filha comparecer à celeb
rganizada pelo príncipe da região, uma ideia insensata, uma loucura. Isso é uma OP
Você concorda com essa opinião da personagem? Justifique a sua resposta.
Answers
Answer: speaks Portuguese
Eu disse a todos a tradução para que possam te ajudar
Explanation: Y’all can help I have no idea
QUESTION 13. Explain the use of quotation marks in the excerpt "I will give each of you
seed. The one who will bring me the most beautiful flower within six months will be chosen but
wife and the future empress of China. ".
QUESTION 14. The palace servant considered the idea of her daughter attending the celeb
organized by the prince of the region, a foolish idea, a madness. This is an OP
Do you agree with this opinion of the character? Justify your answer.
Can someone help me plz!!! It’s 23 points
Answers
Answer:
0.00695 A
Explanation:
µ represents \(10^{-6}\). Multiply this by 6,950.
Due within next 5 minutes... Should scientists be allowed to research human cloning? Explain and defend your answer.
Answers
Answer:
science is hard but human cloning this is legendary but still its up to the government but me i would allow this because its something that science can upgrade to
Explanation:
describe an engineering advance that has led to greater knowledge about the solar system
Answers
Answer:
Space Rovers
Explanation:
The engineering advancement of the invention space rovers has changed space exploration tremendously. The first space rover ever to go out onto another planet was made by NASA and put on mars to learn more about the red planet and see if there where any plausible signs of past or maybe even present life. This mission was incredibly successful and for the first time in space exploration history, there was a spacecraft that you could move around that could with do the conditions of the planet for weeks, months, sometimes years at a time, moving around taking pictures and constantly collecting data. This was revolutionary for scientists, this way they could get copious amounts of information just on rover and not having to send multiple crafts only to die in the first few hours but sending back a relative amount of information. With rovers you can have them collect samples and bring the back to earth, not something that could’ve been done without a human, until rovers. They have completely changed and improved collecting data from other planets and have been one of the most revolutionary inventions when it comes to space exploration.
This is what I put for the answer, hope it helps in some way.