Humid air at 30°C and 100% relative humidity. By using psychometric chart; 1. Estimate moisture content, wet-bulb temperature, humid volume, dew point, and specific
enthalpy
2. Estimate amount of water in 200 m' of air at these conditions
3. Comment of obtained wet-bulb and dew temperatures
Answers
To estimate the properties of humid air at 30°C and 100% relative humidity, we can use a psychrometric chart. However, as a text-based AI model, I am unable to provide visual graphics or perform calculations based on a chart. Nonetheless, I can provide you with general information about the properties you mentioned.
Moisture content: At 100% relative humidity, the moisture content of the air is at its maximum capacity. This means that the air is fully saturated and cannot hold any more moisture.Wet-bulb temperature: The wet-bulb temperature is an indicator of the cooling effect caused by the evaporation of moisture from a wet surface. At 100% relative humidity, the wet-bulb temperature will be equal to the dry-bulb temperature, which is 30°C in this case.Humid volume: The humid volume refers to the volume of air per unit mass of dry air. It depends on the temperature, pressure, and moisture content of the air.Dew point: The dew point is the temperature at which the air becomes saturated and condensation begins to occur. At 100% relative humidity, the dew point will be equal to the dry-bulb temperature, which is 30°C in this case.Specific enthalpy: Specific enthalpy is the amount of heat energy per unit mass of air. It depends on the temperature, pressure, and moisture content of the air.
To estimate the amount of water in 200 m^3 of air at these conditions, you would need to know the mass or volume flow rate of the air. Without this information, it is not possible to provide an accurate estimation.The wet-bulb and dew temperatures being equal to the dry-bulb temperature (30°C) indicate that the air is fully saturated and at its dew point. This implies that any further cooling of the air will result in condensation.Learn more about properties of humid air from
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Related Questions
Can anyone help me. . .
Answers
Answer:
welll
Explanation:
i honestly dk
What happens to the gravitational force between two objects if:
a. the mass of one is doubled?
b. The masses of both are doubled?
c. The distance between them is doubled?
please tell me im so cunfused
Answers
Answer:
you can also get the best i have a problem with you have to be a good job for a while but it is a great way of doing it was really hard for the first one to have to be in the United
Which equations are equivalent to 3/4+m=-7/4? Select three options.
M= 10/4
M=-10/4
M=-5/2
11/4+m=-1/4
-5/4+m=-15/4
Answers
Answer:
M= -10/4
M = -5/2
-5/4 + m = -15/4
Explanation:
3/4 + m = -7/4
Subtract 3/4 from both sides
3/4 + m - 3/4 = -7/4 - 3/4
m = (-7-3) / 4
m = -10/4
m = -5/2
Check the options
11/4 + m = -1/4
m = -1/4 - 11/4
m = (-1-11) /4
m = -12/4
m = -3
-5/4 + m = -15/4
m = -15/4 + 5/4
m = (-15+5) /4
m = -10/4
m = -5/2
The element in period 6 and group 12
Answers
The chemical element in period 6 and group 12 is mercury (Hg).
What is a periodic table?A periodic table can be defined as an organized tabular array of all the chemical elements that are typically arranged in order of increasing atomic number (number of protons), in rows.
In Chemistry, some example of chemical elements that are found in group 12 of the periodic table include the following:
Zinc (Zn): it is in period 4.Cadmium (Cd): it is in period 5.Mercury (Hg): it is in period 6.Copernicium (Cn): it is in period 7.In this context, we can reasonably infer and logically deduce that mercury (Hg) is a chemical element that is found in period 6 and group 12 of the periodic table.
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Sc 1.1 Two forces act on an object. The first is a horizontal 50 N force. The second is a 40 N force acting at an angle to the horizontal. Use a graphical method drawn to a scale of 1 mm : 1 N to find the resultant if the 40 N force is inclined at: 1.1.1 30° to the horizontal 1.1.2 60° to the horizontal.
Answers
1.1.1: The force, which is 61.4 N and inclined at a 34.4° angle to the horizontal,
1.1.2: The resultant force is 30.8° inclined to the horizontal and is 66.9 N in magnitude.
How does vector addition work?
The process of adding vectors together to determine the resulting force is known as vector addition.
Vector addition is the theory that was applied in this question
The steps involved in adding vectors are as follows:
First, use the two provided vectors and the resulting vector to scale up a vector diagram.
Step 2: Apply the Pythagorean theorem to determine the magnitude of each vector.
Calculate each vector's angle with respect to the horizontal in step three.
4th step: Apply the Use the law of cosines to find the magnitude of the resultant vector
Step 5: Use the law of sines to find the angle of the resultant vector with respect to the horizontal.
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Car B is traveling a distance d ahead of car A. Both cars are traveling at 60 ft/s when the driver of B suddenly applies the brakes, causing his car to decelerate at 12 ft/s. It takes the driver of car A 0. 75 s to react (this is the normal reaction time for drivers). When he applies his brakes, I dece lerates at 15 ft/s. Determine the minimum distance d be tween the cars so as to avoid a collision
Answers
The minimum gap between the automobiles is 16.9 feet, according to the supplied statement, in order to prevent a collision.
In physics, now what you mean by distance?The size or extent of the displacement between two points is referred to as distance. Keep in mind that perhaps the difference between two and indeed the distance travelled between them are not the same. The length of the entire journey taken to go from one point to another is the distance travelled.
Briefing:For B;
\(\begin{aligned}(\rightarrow) \quad v & =v_0+a_c t \\v_B & =60-12 t \\(\rightrightarrows) & s=s_0+v_0 t+\frac{1}{2} a_c t^2 \\s_B & =d+60 t-\frac{1}{2}(12) t^2\end{aligned}\)
For A;
\(\begin{aligned}& (\stackrel{\rightarrow}{\rightarrow}) \quad v=v_0+a_c t \\& v_A=60-15(t-0.75), \quad[t > 0.75] \\& (\text { 土 }) \quad s=s_0+v_0 t+\frac{1}{2} a_c t^2 \\& \qquad s_A=60(0.75)+60(t-0.75)-\frac{1}{2}(15)(t-0.75)^2, \quad[t > 0.74]\end{aligned}\)
Require \(V_{A} = V_{B}\) the moment of closest approach
60 - 12t = 60 - 15 ( t- 0.75)
t = 3.75 s
The worst case scenario without contact is when \(S_{A} = S_{B}\)
At t = 3.75 s, from eq. (1) and (2),
60(0.75) + 60(3.75 - 0.75) - 7.5(3.75 - 0.75)² = d + 60(3.75) = 6(3.75)²
157.5 = d + 140.62
d = 16.9 ft
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A race car accelerates uniformly from 18.5 ms-1 to 46.1 ms-1 in 2.47 seconds. Determine the acceleration of the car.
Answers
37- Why do we oil door hinges?
Answers
Explanation:
so as to reduce the force of friction on the hinges and also to make the hinges to move freely
Answer:
door handles are oiled so that it reduces the amount of friction . (that is why we call friction a nessecary evil)
a hobbyist launches a projectile from ground level on a horizontal plane. it reaches a maximum height of 70 m and lands 100 m from the launch point, with no appreciable air resistance. what was the angle of launch if g
Answers
The angle of launch for the projectile to reach a maximum height of 70 m and land 100 m from the launch point, with no appreciable air resistance, is approximately 55.1 degrees.
The projectile motion of the hobbyist's launch can be analyzed using kinematic equations, considering both horizontal and vertical components. Given the maximum height (70 m) and horizontal range (100 m), we can determine the angle of launch (θ). The acceleration due to gravity (g) is -9.81 m/s².
First, we can calculate the time of flight (t) using the vertical motion:
1. h = Vi_y*t + 0.5*(-g)*t², where h = 70 m, Vi_y = initial vertical velocity
2. 70 = Vi_y*t + 0.5*(-9.81)*t²
Next, we determine the horizontal motion:
3. R = Vi_x*t, where R = 100 m, Vi_x = initial horizontal velocity
We know that Vi_x = Vi*cos(θ) and Vi_y = Vi*sin(θ), where Vi is the initial velocity. From equations 2 and 3, we can form the following equation:
4. tan(θ) = Vi_y / Vi_x = (100/70)
Using the inverse tangent function, we find the angle of launch:
θ = arctan(100/70) ≈ 55.1 degrees
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Look up how much power a typical light bulb uses/produces. Then look up how much power a typical microwave uses/produces. How do these appliances compare to your physical activities?
Answers
The current drawn by a microwave is greater than the amount of current used by an electric bulb, hence the microwave consumes more power.
Energy dissipated by electrical applianceThe amount of energy dissipated by an electrical appliance is the calculated using the following formulas;
P = I²R
where;
P is powerI is currentR is resistanceThe current drawn by a microwave is greater than the amount of current used by an electric bulb, hence the microwave consumes more power.
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Which statement is true about vectors?
a. All quantities in physics are not vectors.
b. A vector may have either magnitude or direction.
c. The vector’s length should be proportional to its magnitude.
d. Two vectors can be added only if they have the same direction.
Answers
Answer:
B
Explanation:
A block of mass 0.10 kg is attached to one end of a spring with spring constant 50n*m. The other end of the spring is secured to a wall. The block is pushed against the spring, which compresses the spring to a position of x=-0.04m. When uncompressed, the end of the spring that is attached to the block is at a position of x=0.00m. The block-spring system is then released from rest, and the block travels along a horizontal, rough track. A motion sensor is placed so that it measures the velocity of the object as it slides along the track. A graph of total mechanical energy of the block-spring system as a function of position is shown. Which of the following statements about the block-spring system are true? Select two answers.
The force exerted on the block by the spring at x=−0.02 m is 1 N.
The block has maximum speed at x=0.00 m.
The block has half the initial spring potential energy at x=−0.025 m.
The work done by friction as the block travels from x=-0.04 m to x=-0.02 m is 0.01 J
Answers
Based on the graph;
The work done by friction as the block travels from x =-0.04 to x = −0.02 m is 0.01 J.
The force exerted on the block by the spring at x = −0.02 m is 1 N.
What is a spring constant?The stiffness of a spring is indicated by the spring constant, k. For various springs and materials, it varies. The stiffer the spring is and the harder it is to stretch, the larger the spring constant. The spring constant is a measure of the spring's stiffness.
The force exerted by a spring of spring constant, k is given below as follows:
F = - kx.
where;
F is the forcek is called the spring constant. x is the change in length from its equilibrium length, the negative sign indicates that the spring exerts a force F in a direction toward its equilibrium position.Learn more about spring constant at: https://brainly.com/question/23885190
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HELP HW!!!!! IF U CAN SOLVE ONE AT LEAST I WILL CROWN U BRAINLIEST ( I’m so bad at this plz helppp)
Answers
Answer:
Q = I * t = 2 Coulomb / sec * 1000 sec = 2000 Coulombs transferred
E (energy) = V * Q = I * t * 240 V
E = 240 J / Coul * 2000 Coul = 480,000 Joules
Next question:
Total voltage drop in circuit = 6.5 V + 4.5 V = 11 V
So the power supply must supply 11 V
Raymond and Julie ar driving to Santa Barbara.
They drive at an average speed of Bomon for
2.5 hours before he stopping for lunch. H
takes them 30 minutes to eat. After lunch
they continue driving or an average speed
of so mon for 3.0 nono . What is their
average speed, in miles
for the
3.5
entive
HID
per hour
Answers
help ill give brainleist
Mechanical energy is lost:
when parts rub against each other
when heat radiates from the engine
whenever friction is present
all of the above
Answers
Transformation of Energy
32. If a ball is given a push so that it has an initial velocity of 2 m/s down a certain inclined plane, then the distance it has rolled after t seconds is s = 2t + t2. How long does it take for the velocity to reach 24 m/s? (a) 2 seconds (b) 4 seconds (c) 5 seconds (d) 11 seconds (e) 12 seconds
Answers
If a ball is given a push so that it has an initial velocity of 2 m/s down a certain inclined plane, then the distance it has rolled after t seconds is s = 2t + t². Then it takes 11 seconds for the velocity to reach 24 m/s. The correct option is D.
To find the time it takes for the velocity of the ball to reach 24 m/s, we need to solve for the time when the velocity function equals 24 m/s.
The velocity function is the derivative of the distance function, so we'll first find the derivative of the distance function s = 2t + t² with respect to time t:
ds/dt = d/dt(2t + t²)
ds/dt = 2 + 2t
Now we can set the velocity function equal to 24 m/s and solve for t:
2 + 2t = 24
Subtracting 2 from both sides:
2t = 22
Dividing both sides by 2:
t = 11
Therefore, it takes 11 seconds for the velocity to reach 24 m/s.
The correct answer is (d) 11 seconds.
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What is the weight of a person who has a mass of 60 kg
Answers
Answer:
Depends on the grativy of the planet. On Earth is 600 Newtons
Explanation:
W = M . G
W = 60 . 10
W = 600
A rock with a mass of 3 kilograms is put aboard an airplane in new york city and flown to boston. how much work does the gravitational field of the earth do on the rock?
Answers
The amount of work done by the gravitational field of the earth do on the rock is 29.4 d (J).
What is work done?Work is done when energy is transferred from one store to another.
Work is also done when a force causes an object to move.
The amount of work done by the gravitational field of the earth do on the rock is calculated as follows;
W = Fd
where;
F is gravitational force of the rockd is the displacement of the rockW = (mg)d
W = (3 x 9.8)d
W = 29.4 d
Thus, the amount of work done by the gravitational field of the earth do on the rock is 29.4 d (J).
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Statistical Mechanics.
From the great partition function of a system of N independent bosons and of one of independent fermions, the pressure is shown to be given by:
KT N
kT
P=t Σn[1±exp(β(μ-ε,)]
V s=1
Show that:
kT_≤0,
|≥ 0,
P-(N)KT
BE
FD
Answers
The expression for the pressure of a system of independent bosons and independent fermions is given below
\(KT NkTP=t Σn[1±exp(β(μ-ε,)]Vs=1\)
Where t is the sum over all states, and the plus sign and minus sign in the brackets correspond to bosons and fermions, respectively. The negative sign of kT implies that energy tends to decrease as the temperature rises. The summation is bounded, and the square brackets are non-negative, with the upper bound being 1 for bosons and 0 for fermions. Since there are N particles in total, the first term in the bracket is multiplied by N to obtain the total number of particles. Then, the sum is rearranged and simplified as follows:For bosons:
\(KT NkTP=t Σn[1-exp(-β(ε_n-μ))]Vs\\=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)
For fermions:\(KT NkTP=t Σn[1-exp(-β(ε_n-μ))]Vs=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)In each case, the sum is bounded and non-negative. As a result, both the expressions have a non-negative value. This implies that pressure is always positive or zero.Since the number of particles is constant, the second term is the chemical potential multiplied by the total number of particles. For bosons, chemical potential is always less than zero, whereas for fermions, chemical potential is always greater than zero. This implies that the bosonic pressure is greater than the fermionic pressure if the number of particles is constant. Hence, P_(B) > P_(F). From the great partition function, the expression for pressure of a system of independent bosons and fermions is given as,
\(KT NkTP=t Σn[1±exp(β(μ-ε,)]Vs=1\)
where t is the sum over all states, and the plus sign and minus sign in the brackets correspond to bosons and fermions, respectively. The negative sign of kT implies that energy tends to decrease as the temperature rises. The summation is bounded, and the square brackets are non-negative, with the upper bound being 1 for bosons and 0 for fermions. Since there are N particles in total, the first term in the bracket is multiplied by N to obtain the total number of particles. The expressions can be written as:
For bosons\(:KT NkTP=t Σn[1-exp(-β(ε_n-μ))]Vs=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)For fermions:\(KT NkTP=t Σn[1+exp(-β(ε_n-μ))]Vs=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)In each case, the sum is bounded and non-negative. This implies that pressure is always positive or zero. Since the number of particles is constant, the second term is the chemical potential multiplied by the total number of particles. For bosons, chemical potential is always less than zero, whereas for fermions, chemical potential is always greater than zero. Hence, P_(B) > P_(F)
Thus, we can conclude that for a system of N independent bosons and one of independent fermions, the pressure is given by \(KT NkTP=t Σn[1±exp(β(μ-ε,)]Vs=1\)where the plus sign and minus sign in the brackets correspond to bosons and fermions, respectively. The summation is bounded and non-negative. This implies that pressure is always positive or zero. The bosonic pressure is greater than the fermionic pressure if the number of particles is constant.
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If you cause the surfaces between two touching objects to change, how will the friction be affected?
Answers
A child looks at his reflection in a spherical Christmas tree ornament 8.0 cm in diameter in season that the image of his face is reduced by 1/2 how far is his face from the ornament
Answers
From the information given,
diameter of ornament = 8
radius = diameter/2 = 8/2
radius of curvature, r = 4
Recall,
focal length, f = radius of curvature/2 = 4/2
f = 2
Recall,
magnification = image d
6. an aluminum cube has sides of length 1.80 m. what is the resistance between two opposite faces of the cube?
Answers
the resistance between two opposite faces of the cube is 1.53×10−8Ω.
What do you mean by resistance between two opposiye faces of cube?Along the 'face' diagonal, between two vertices. = 3 R 4 is the equivalent resistance between two vertices along the face diagonal.
Resistance R is provided by:
R = ρl/A
Where r denotes resistivity, l the length parallel to which current flows, and A the area through which current flows
In this instance,
\(R = pl/(l^2) = p/l (\) (taking side of cube as l) (taking side of cube as l)
We know that by dividing the cube into 27 smaller cubes, the volume of the cubes eventually equals the initial volume of the cube.
(essentially, mass conservation, but density cancellation on both sides)
\(l^3 = 27a^3l^3 = 27a^3\) (a is the side of one tiny cube) (a is the side of one small cube)
a = l/3
As a result, resistance across two opposed faces of a tiny cube is as follows:
r = (a)/a2 =/a = 3/l = 3R
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Technological design leads to the development and innovation of new technologies.
Which statement represents innovation?
O Solar panels have increased in efficiency over the past 20 years.
O The Sun is the primary source of energy for the solar system
O Previous models of a type of car have fewer engine problems.
O Natural selection ensures that only the fittest survive.
Answers
Answer:
Solar panels have increased in efficiency over the past 20 years
Explanation:
Because if efficiency have increased other technologies will be discovered
Answer:
Solar panels have increased in efficiency over the past 20 years
Explanation:
land controlled by the lord of the manor is called
Answers
Answer: The whole of it was owned originally by the lord of the manor. He lived in the big house called the manor house. Attached to it were many acres of grassland and woodlands called the park. These were the "demesne lands" which were for the personal use of the lord of the manor.
The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.
Thus, The park, which covered many acres of grassland and trees, was connected to it. These "demesne lands" belonged to the lord of the manor and were used exclusively for his exclusive purposes.
The word "manor" is derived from the Old French word "manoir," which means "dwelling place," but a manor isn't just any old house.
The homes and grounds of the nobility were referred to as manors back when people still had titles of nobility. expressing to someone that his home is a manor is the equivalent of expressing that it is so lavish and beautiful that it could have belonged to a lord.
Thus, The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.
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Convert 800 cm to meters.
Answers
Answer:8 meters
Explanation:100cm is a meter
Answer:
8 meters
Explanation:
800 cm * 0.01 m/1 cm = 8.0 m
A student is in class 400 minutes every day for 5 days each week. How many seconds is this?
Answers
Answer:
120,000seconds
Explanation:
400 minutes x 5= 2000minutes (2000minutes x 60)seconds =120,000seconds.
btw :
stay safe! :3
Answer:
12000
Explanation:
5 x 400 = 2000, 2000 x 60 = 12000
For work to be accomplished we must have?
A. an action which causes movement and an opposite reaction
B. an action which causes no movement or reaction
C. a force and a movement in the opposite direction of the force
D. a force and a movement in the same direction as the force
Answers
Answer:
a force and a movement in the same direction as the force.
Explanation:
Venus has the smallest orbital eccentricity of any of the planets. What is the eccentricity of Venus?(1 point)
Responses
1.0300
0.8040
0.0068
0.0000
Answers
The eccentricity of Venus is = 0.0068. That is option C.
What is orbital eccentricity?The orbital eccentricity is defined as the measurement that is used to show how an orbit deviates from the shape of a circle.
The Venus is one of the planets of the universe that is the second closest to the sun.
The Venus is one of the planets that has a small orbital eccentricity being 0.006772 which is approximately 0.0068. This means that it is closest to being circular in shape.
The planets with the largest orbital eccentricity is the planet Mercury with orbital eccentricity of 0.2056.
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A 1.2 x 10^kg car is accelerating at 1.6m/s^2. If the coefficient of friction is 0.15, what is the force supplied by the engine?
Answers
Answer:
1176 N
Explanation:
We are given that
Mass of car=m1=1280 kg
Mass of trailer=m2=350 kg
Car exerts a horizontal force against the ground =3.6x103N
Coefficient of friction=0.15
We have to find the force exerted by car on the trailer.
F={m1+m2)a+Ff
F={m1+m2)a+m2g
g=9.8m/s2
Substitute the values then we get
3.6x103=(1280+350a=0.15x350x9.8
3.6x103=1630a+514.5
1630a=3600-514.5=3085.5
a=3085.5/1630=1.89m/s2
Force exert on the trailer
F=m2a+m2g
F=350(1.98)=0.15x350x9.8
F=1176N
Hence, the car exerts force on the trailer=1176 N
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Negative charge âq is distributed uniformly around a quarter-circle of radius a that lies in the first quadrant, with the center of curvature at the origin
Answers
The electric field due to this charge distribution can be found by applying Gauss' law. The electric field at any point in space is the net sum of all the electric fields due to the individual charges.
What is Gauss' law ?Gauss' law states that the electric flux through any closed surface is equal to the charge enclosed by the surface divided by the permittivity of free space.
To calculate the electric field due to the charge distribution, the first step is to divide the quarter-circle into small segments. Each segment will have a charge q, and will be of width dx. The total charge in the quarter-circle is then given by the integral of q multiplied by dx from 0 to 2πa.
The electric field at any point P in the first quadrant is then given by the integral of q/4πε0 r2 multiplied by dx from 0 to 2πa, where r is the distance from the point P to the center of the quarter-circle. This gives the electric field at P to be:
E = (1/4πε0)∫ 0 to 2πa q/r2 dx
The electric field due to the charge distribution is therefore a function of the distance from the point P to the center of the quarter-circle, and is inversely proportional to the square of this distance.
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