Ammonia crystals that have been frozen make up the majority of Jupiter and Saturn's clouds. Methane makes up the clouds on Uranus and Neptune. The composition of the clouds is determined by these worlds' temperatures.
With 75% of their mass made up of hydrogen and 25% of it made up of helium, Jupiter and Saturn, the two largest planets, share virtually the same chemical composition as the Sun. Jupiter and Saturn are commonly referred to as gas planets because hydrogen and helium are both gases on Earth.At any given altitude, Saturn's atmosphere is colder than Jupiter's, hence the different cloud layers are located further into Saturn's atmosphere. However, methane cannot condense in the warmer troposphere, only in the extremely cold upper troposphere of Uranus and Neptune.
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if you walk up a flight of stairs at constant speed, gaining vertical height h, the work done on you is
According to the solving the work done by the boy against the force of gravity is mgh.
What does gravity mean in modern terms?The curvature of space and time caused by huge objects is what causes gravity, which is essentially geometry. The degree to which a coordinate within space-time is invisibly bent determines the strength of something like the gravitational "field" at any given place in time or space. Massive items slide down these curves in the direction of one another.
Is the force of gravity real?Yes, there is gravity, but not in the way you might think of it. In other words, gravity does not interact directly, typically, or at a distance between two objects. However, gravity is a force in a more general sense since it symbolizes the interaction that takes place when two masses are close to one another.
According to the given data:The mass of the boy, m
The height of the stair, h
We know that :
F = mg
The displacement in the upward direction
S = -h
The work done by the force of gravity on boy.
W = Fs
= mg(-h)
= -mgh
According to the solving the work done by the boy against the force of gravity is mgh.
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A large semitrailer truck and a small car have equal momentum. How do their speeds compare?.
Answer:
Explanation:
p = m·V - momentum
p₁ = p₂
m₁·V₁ = m₂·V₂
V₁ / V₂ = m₂ / m₁
The ratio of velocities is inversely proportional to the ratio of masses
in young's two slit experiment a beam of light from a slit reaches at a point on the screen one wavelength behind the wave from the otherslit. what is observed on the screen at that point?
Option A. Dark fringe observed on the screen at that point
The double-slit experiment is an illustration that mild and count can display characteristics of each classically defined wave and particle; moreover, it presents the basically probabilistic nature of quantum mechanical phenomena.
Younger's experiment became primarily based on the speculation that if light were wave-like in nature, then it have to behave in a manner much like ripples or waves on a pond of water. wherein opposing water waves meet, they have to react in a particular manner to either toughen or damage every other.
for destructive interference
path difference = dx
dx = (m+1/2)*lambda
here path difference = 3/2 lambda
so here path difference is multiple of 1/2 so there is destructive interference
so there will be a dark fringe.
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Disclaimer:- your question is incomplete, please see below for the complete question.
in young's two-slit experiment a beam of light from a slit reaches at a point on the screen one wavelength behind the wave from the other slot. what is observed on the screen at that point?
A. Dark fringe
B. An empty space
C. Bright - dark fringe
D. Dark bright fringe
E. Bright fringe
_____ include any election that signals a significant large-scale change in the popular allegiance of voters from one party to another.
critical election includes any election that signals a significant large-scale change in the popular allegiance of voters from one party to another.
Since the 17th century, elections have been the primary method used to carry out representative democracy in modern times. Elections may be held to fill positions in the legislative, executive, judicial, and occasionally regional and municipal branches of government. Numerous other private and commercial organizations, including clubs, non-profit organizations, and corporations, also use this procedure.
The practice in the democratic archetype, ancient Athens, where elections were regarded as an oligarchic institution and most political offices were filled using sortition, also known as allotment, in which officeholders were chosen by lot, contrasts with the use of elections as a tool for choosing representatives in modern representative democracies.
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what is the approximate current flowing through the thermistor at room temperature when your circuit is powered by 9 v?
To learn about the thermistor.
What is thermistor?
A thermistor is a resistor with temperature-dependent resistance, also known as a resistance thermometer. The word combines the words "thermal" and "resistor." Metal oxides are used to create it, which is then pressed into a bead, disk, or cylindrical shape before being encased in an impermeable substance like epoxy or glass.
What is current?
An electrical charge carrier flow known as "current" typically involves electrons or atoms deficient in electrons. The capital letter "I" is frequently used as a symbol for current. Amperes are the common unit and are denoted by the letter A.
R= 100000hm
V=9V
V=IR
I=V/R
I=9/100000
I=0.9 mA.
Therefore, the current flowing through the thermistor at room temperature when your circuit is powered by 9 v is 0.9mA.
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q5: suppose the air track was tilted during the experiment. would momentum be conserved in the collision? why or why not?
According to the given statement No, momentum is not conserved on a tilted track.
What does the word "momentum" mean?Momentum can be viewed as a body's "power" while it is moving, or the amount of force it can exert on another body. For instance, a baseball (small mass) thrown quickly can have the same momentum as a bowling ball (big mass) going extremely slowly (low velocity) (high velocity).
What is the momentum unit?Therefore, the Newton-second can be used as the unit measuring momentum (Ns). In the CGS system, the unit of momentum is the gram-centimeters per second (gcm/s), where the mass is measured in grams and the speed in centimeters per second.
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A car is moving at
3.06m/s north.
There are 5 forces acting on it. A 6.59N force of air resistance to the south. A 8,507.74N force of gravity pulling it toward the ground. A 8,507.74N normal force pushing it up away from the ground. A 147.43N force from the engine pushing it
North, and a 22.81N force of friction
pulling it south.
Calculate the net force on the car.
Answer:
Explanation:
Given:
V = 3.06 m/s (North)
F₁ = 6.59 N (South)
F₂ = 8 507.74 N (toward the ground)
F₃ = 8 507.74 N ( up away from the ground)
F₄ = 147.43 (North)
F₅ = 22.82 (South)
__________
R -?
Forces F₂ and F₃ balance each other.
Resultant force:
R = F₄ - F₁ - F₅
R = 147.73 - 6.59 - 22.81 = 118.33 N
an eight-turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm (see figure). the coil lies in the plane of the page and has a 5.90-a current flowing clockwise around it. if the coil is in a uniform magnetic field of 2.08 10-4 t directed toward the left of the page, what is the magnitude of the torque on the coil? hint: the area of an ellipse is a
The magnitude of the torque on the coil is 11.13 x [tex]10^{-4}[/tex] Nm.
How to determine the torque?According to the question we have the following data:
Number of turns of the coil N = 8 ("an eight-turn coil")
Semi-major axis of the ellipse:
⇒ a = [tex]\frac{40}{2}[/tex] cm
⇒ a = 0.2 m
Semi-minor axis:
⇒ b = [tex]\frac{30}{2}[/tex] cm
⇒ b = 0.15 m
Current in the coil ⇒ i = 5.9 A
Magnetic field ⇒ B = 2.08 x [tex]10^{-4}[/tex] T
The angle between the normal and the magnetic field is 90°.
So, the torque on the coil is given by:
τ = NiABsinθ
Where, A be the area of the coil.
Area of ellipse
⇒ A = π ab
⇒ A = 3.14 x 0.2 x 0.15
⇒ A = 0.0942 m²
τ = NiABsinθ
⇒ τ = 8 x 5.90 x 0.0942 x 2.08 x [tex]10^{-4}[/tex] x Sin 90°
⇒ τ = 11.13 x [tex]10^{-4}[/tex] Nm
Thus, the torque is 11.13 x [tex]10^{-4}[/tex] Nm
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after a capacitor is charged, it is removed from the power source. the separation between the plates is 4.0 mm and the electric field at a midpoint between the plates is 200 v/m. when the plates are pushed to a separation of 2.0 mm, the electric field at midpoint between the plates is:
The electric field at midpoint between the plates will be 200 v/m.
Since the capacitor is charged, it has an electric field between its plates. When the capacitor is removed from the power source, there is no longer a force pushing electrons onto one plate and off of the other, so there are still equal numbers of positive and negative charges on each plate. This means that the electric field remains unchanged from when it was fully charged.
When you push the plates together to 2 mm apart, this causes more surface area to be covered by electrons. This means that more electrons will be pushed onto one plate than off of it until they are evenly distributed across both plates again.
This means there will be more negative charge on one plate than positive charge on the other—the same way it was before you pushed them together—and therefore an increased electric field between them at midpoint between their surfaces.
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If you start with 1 m naoh and 40 ml of 1 m acetic acid, how many ml of the naoh will be required to reach the equivilence point?.
There are 40 ml of NaOH will be required to reach the equivalence point.
The equivalence point is the midpoint of the vertical portion of the curve. This corresponds to a NaOH volume of 26 ml and a pH of 8.57. Half the equivalence point corresponds to a volume of 13 ml and a pH of 4.6. The titration Ka value is 4.6. No effect. The volume at the equivalence point is determined by the number of moles of acid present.
In the reaction between acetic acid and sodium hydroxide acetic acid protonates the hydroxide ion and acts as an acid. Hydroxide ions accept protons and act as bases. Equivalent points are very easy to find. Simply place the pH meter in the solution to be titrated add various volumes of titrant measure the pH and create a titration curve. You can then read the equivalent points from the curve.
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How much energy is needed to change the temperature of 60. 0 g of water by 25. 0oc?.
349.65 J energy is needed to change the temperature of 60. 0 g of water by 25. 0oc
molar mass of [tex]H_{2}O[/tex] = 18 g /mole
no. of moles = 60 / 18 = 3.33 moles
total heat energy required = n * [tex]C_{p}[/tex] *ΔT
= 3.33 * 4.2 J /g / ° C * 25 = 349.65 J
349.65 J energy is needed to change the temperature of 60. 0 g of water by 25. 0oc
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A golfer is enjoying a day out on the links. What maximum height will a 329.7 m drive
reach if it is launched at an angle of 22.0◦ to the ground? The acceleration due to gravity is 9.81 m/s. Answer in units of m.
The maximum height will be 0.55m.
What is Maximum Height?
This refers to the highest height of the object in projectile motion and it is dependent on the initial velocity, the launch angle, and the acceleration due to gravity. It is measured in “meters”.
It is calculated using The Formula:
H=(v₀)² *sin²θ
2×g
Where,
H =Maximumheight
v₀ = initial velocity
sinθ =Sine of launch angle
From the question:
v₀= 329.7m/s
g = (9.81ms/²)
Sin θ= 22°
calculating Maximum height:
H=( 329.7)² *sin²22°
2×9.81
H = 0.55m
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if the radio waves transmitted by a radio station have a frequency of 92.5 mhz, what is the wavelength of the waves, in meters?
The wavelength of the waves in meters is 3.24.
Solution:
c = λ*μ
where c=speed of the light,λ = wave length, μ = frequency
c = 3*[tex]10^{8}[/tex] m/s
λ = c/μ
= 3*[tex]10^{8}[/tex]/92.5*[tex]10^{6}[/tex]
= 3.24
Wavelength is calculated as the ratio of velocity to frequency, or wave velocity divided by wave frequency. The wavelength calculator uses 2 known values to calculate the third. Note that the standard units for wavelength are meters, seconds, and hertz. When the frequency is multiplied by the wavelength.
It yields the speed of the wave. Electromagnetic waves always travel at the same speed in a vacuum. Radio waves, on the other hand, have the lowest energy, longest wavelength, and lowest frequency of all types of EM radiation. The sections of the EM spectrum are named in order of increasing energy gamma rays X-rays ultraviolet-visible light infrared and radio waves.
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how would the strength of the force between the moon and earth cahnge if the mass on the moon were somehow made two times grater than its actuakl mass?
The strength does not change, remains the same and opposite. When the distance between two masses doubles, the attractive force between them also doubles.
The greater the mass of the objects, the stronger the attraction between them. The closer the objects are, the stronger the attraction between them. When the moon gets even closer, let's say 20 times closer, it creates 400 times more gravity than we're used to. A powerful tsunami hits the country and causes massive flooding, submerging cities such as London and New York. When the mass of objects doubles, the force between them doubles. If the distance between objects is doubled, the force between objects is quartered. If the distance between objects is tripled, the force between them is 9 times smaller.
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At some point during construction, the International Space Station had a
mass of 235,565 kg. When it orbited the Earth at an altitude of 400,000 m,
what was the approximate gravitational force on the Station due to Earth's
gravity? (Recall that Earth has a radius of 6.37 × 106 m, it has a mass of 5.97
x 1024 kg, and G = 6.67 x 10-¹1 Nm²/kg².)
The gravitational force exerted on the International Space Station by the gravity of the Earth is approximately 0.00026680N.
The force of gravity, or gravitational pressure, pulls objects with mass in the direction of every other. We regularly consider the pressure of gravity from Earth. This force is what continues your body on the ground. but any object with mass exerts a gravitational force on all other items with mass.
The force of appeal on a body with the aid of earth is referred to as gravitational force. Example : The leaves and end result fall from a tree downwards closer to the ground, water in a river flows down streams, a ball thrown up goes to a peak and then returns back on floor are a few examples of motion due to gravitational force.
Earth's gravity comes from all its mass. All its mass makes a blended gravitational pull on all the mass for your body. that's what gives you weight. And if you were on a planet with less mass than Earth, you would weigh less than you do here.
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What is the average speed of my bunny rabbit when she hops 6 meters to the east across the room in 11seconds? Express your answer using the proper SI units. Round your answer to two decimal places, and include a direction if necessary.
0.54 m/s is the average speed of my bunny rabbit when she hops 6 meters to the east across the room in 11seconds.
speed = distance/time
speed =6/11
speed =0.54 m/s
velocity (often abbreviated as "s") is a scalar variable that describes how a lot an object's place modifications over time or how lots it adjustments in step with unit of time. The common velocity of an object in a time frame is the distance traveled by using the object divided with the aid of the length of the duration.
Time divided via distance are the velocity-related metrics.. The meter in line with 2nd (m/s) is the SI unit of pace, even as the kilometer in step with hour (kph) is the most customarily used unit of pace in every day lifestyles.
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Two construction workers are attempting to pull a slab of concrete off of the ground. Each of the workers are pulling up with a force of 225 n, while the slab of concrete applies a gravitational force of 400 n in the opposite direction, remaining stationary. If the pulling forces applied to the slab of concrete are assigned a positive value, what is the net force of the scenario, and in which direction will the slab of concrete move?.
50 Newton force of the scenario when e workers are pulling up with a force of 225 n, while the slab of concrete applies a gravitational force of 400 n in the opposite direction,
resultant force =225 + 225 - 400 = 50 N
An object experiences a push or a pull when it interacts with another thing. When two objects touch, a force is applied to each object. The force between the two items is lost after the interaction is over. Forces do not exist independently; they are only interactions.
Contact forces are produced when two things interact and appear to be in physical contact with one another. Frictional forces, tensional forces, normal forces, air resistance forces, and applied forces are a few examples of contact forces. Action-at-a-Distance forces are present even when two interacting objects are apart from one another.
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A(n) 1786.9 kg car is coasting along a level
road at 24.7 m/s. A constant braking force
is applied, such that the car is stopped in a
distance of 55 m.
What is the magnitude of the braking force?
A(n) 1786.9 kg car is coasting along a level road at 24.7 m/s. A constant braking force is applied, such that the car is stopped in a distance of 55 m. The magnitude of the braking force will be 9917.3 N
given
mass = 1786.9 kg
initial velocity = 24.7 m/s
final velocity = 0
distance covered = 55 m
2as = [tex]v^{2} - u^{2}[/tex]
2 * a * 55 = 0 - [tex]24.7 ^{2}[/tex]
a = - 5.55 [tex]m/s^{2}[/tex]
Force = mass * acceleration
= 1786.9 * 5.55 = 9917.3 N
The magnitude of the braking force will be 9917.3 N
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A cheerleader lifts his 68.6 kg partner straight
up off the ground a distance of 0.601 m before
releasing her. Assume the partner’s velocity
is zero at the beginning and the end of the lift.
The acceleration of gravity is 9.8 m/s
2
.
If he does this 30 times, how much work has
he done?
Answer in units of J.
Answer:
12 121 J
Explanation:
PE gained each time = m g h
now 30 times: 30 mgh = 30 * 68.6 * 9.8 * .601 = 12 121 J
Answer: 12121.2084
Explanation:
what did you observe when cart a containing added mass collided with cart b containing no mass? how does the law of conservation of momentum explain this collision?
A smaller mass coming near a larger mass will bounce back in a collision. If a larger mass is first of all moving in the direction of a smaller mass, both will preserve the momentum in the route of the preliminary momentum.
All through a collision, the full momentum of the machine of both carts is conserved due to the fact the net force on the machine is zero. If the momentum of 1 cart decreases, the momentum of the opposite cart will increase by the identical quantity.
Each cart comes toward the other in a head-on collision. If each cart has identical hundreds and speeds then they will each come to rest after they hit the Velcro pads. This collision is completely inelastic: all of the kinetic energy disappears.
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3. A ship's diesel engine has a power output of 13.0 W (13.0x 10° W). How
much work is done by this engine in 15.0 min?
The work done by the engine with a power output of 13.0 W in 15.0 min is 11.7 KJ
P = W / t
P = Power
W = Work done
t = Time
P = 13 W
t = 15 m
t = 15 * 60
t = 900 s
W = P * t
W = 13 * 900
W = 11700 J
W = 11.7 * 10³ J
W = 11.7 KJ
Therefore, the work done by the engine is 11.7 KJ
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a crate is lifted vertically 1.5 m and then held at rest. the crate has weight 100 n (i.e., it is supported by an upward force of 100 n). how much work is being done to hold the crate 1.5 m above the ground in this way?
The required work to hold the crate above the ground is 150 joule.
We need to know about the work done to solve this problem. The work done by an object depends on the force applied and the distance. The work is proportional to force and displacement. It can be written as
W = F . s
where W is work done, F is the force and s is displacement
From the question above, the given parameters are
F = 100 N
s = 1.5
Thus, the required work to hold the crate above the ground can be calculated
W = F . s
W = 100 . 1.5
W = 150 joule
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Macro put a pot of water on eggs. Half an hour later, he returned to find the pot dry. This is an example of.
Macro put a pot of water on eggs. Half an hour later, he returned to find the pot dry. This is an example of vaporization.
In the field of science, vaporization can be described as a process by which the liquid can be evaporated to a gaseous phase.
Vaporization can occur either due to boiling or evaporation.
In the situation above, as Macro has put a pot of water in eggs. As he kept the water on boiling for half an hour, the liquid water evaporated and changed into gaseous form.
As a result, all the water dried from the pot. This process is an example of vaporization.
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an electron moving at 4.00 x 103 m/s in a 1.25-t magnetic field experiences a magnetic force of 1.40 x 10-16 n . what angle does the velocity of the electron make with the magnetic field?
Angle, the velocity of the electron made with the magnetic field is 9.59° and 350.41°.
A magnetic field is a vector discipline that describes the magnetic effect on transferring electric costs, electric-powered currents, and magnetic materials. A shifting price in a magnetic subject reports a force perpendicular to its very own pace and to the magnetic area.
Calculation:-
F =qvB sin x
X is the angle between the strength of the magnetic field and the velocity of the charge.
q = 1.609×10^-19 C
v = 4×10³ m/s
B = 1.25 T
F = 1.40×10^-16 N
By substituting the parameters, we have that
1.40×10^-16 = 1.609×10^-19 × 4×10³ × 1.25 × sinx
sin x = 1.40×10^-16/ 1.609×10^-19 × 4×10³ × 1.25
sin x = 1.40×10^-16 /8.045*10^(-16)
sin x = 0.1666
x = 9.59°
A magnetic field is a vector field that describes the magnetic effect on moving electric-powered expenses, electric-powered currents, and magnetic materials. A transferring rate in a magnetic discipline story a force perpendicular to its personal velocity and to the magnetic discipline.
The magnetic subject is the area around a magnet in which the impact of magnetism is felt. We use the magnetic field as a device to explain how the magnetic force is distributed inside the space around and within something magnetic in nature.
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compute the acceleration due to gravity on the surface of venus from these data. express your answer in meters per second squared.
Newton's law of gravitation says that the magnitude f of the force exerted by is f = Gmm/r² and acceleration due to gravity Gm/r².
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
The gravitational constant, denoted by the capital letter G, is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's theory of general relativity.
f = Gmm/r²
Newton's law of gravitation says that the magnitude f of the force exerted by is f = Gmm/r² and acceleration due to gravity Gm/r².
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star a's luminosity is four times greater than star b's. both stars have the same surface temperature. which star is larger?
If the star a's luminosity is four times greater than star b's and both stars have the same surface temperature, the star a is larger.
L = 4 π σ [tex]T^{4}[/tex] R²
l = Luminosity
σ = Stefan-Boltzmann constant
T = Surface temperature
R = Radius
For star A,
L = 4 π σ [tex]T^{4}[/tex] R²
R = √ ( L / 4 π σ [tex]T^{4}[/tex] )
For star B,
L' = L / 4
L / 4 = 4 π σ [tex]T^{4}[/tex] R'²
R' = √ 1 / 4 √ ( L / 4 π σ [tex]T^{4}[/tex] )
R' = 1 / 2 R
The star B's radius is half the value of star A.
Therefore, the star A is larger than star B.
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if you were to throw a ball straight ahead (no arc) at the same time as your friend drops a ball, which ball would hit the ground first? why?
If I throw a ball straight ahead and then my friend drop the identic ball to the ground, so both ball will hit ground together. It happens because the only force act to the both balls vertically is only gravity.
In this experiment, the two balls have different horizontal velocities, but that does not affect the vertical motion. Both balls start with zero vertical velocity, and accelerate at the same rate of gravity.
What is gravity?Gravity is a force that pulling together all matter. The more matter, the more gravity, so anything that have such a lot of matter like planets, moons, or stars pull more strongly. Gravity also affected by the mass of an object and the distance between objects.
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What is the velocity of a dropped object after it has fallen for 27 s?
Answer:
front what distance
Explanation:
fulfill
what is the lift (in newtons) due to bernoulli's principle on a wing of area 83 m2 if the air passes over the top and bottom surfaces at speeds of 290 m/s and 180 m/s , respectively?
Bernoulli's principle states that a wing with an area of 83 m² will experience a lift of 2767767.8 N when air moves over its top and bottom surface with velocities of aircraft 290 m/s and 180 m/s, respectively.
Bernoulli's principle is used to safely engineer the fluid flow within and around airplanes, engines and healthcare delivery devices by making sense of a fluid dynamics phenomenon. Bernoulli's principle connects a fluid's pressure to its speed.
The equation of Bernoulli's principle can be written as
P₁ + 1/2 p (v₁)² = P₂ + 1/2 p (v₂)²
P₁ - P₂ = 0.5* 1.29* 290² - 0.5* 1.29* 180² = 54244.5 - 20898 = 33,346.6
We know that, Pressure = Force/ Area
Force = Pressure * Area = 33,346.6* 83 = 2767767.8 N
Thus, the lift on the wing is 2767767.8 N.
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Which method would be most helpful in locating the center of gravity of an object?.
Plumb line technique, is method would be most helpful in locating the center of gravity of an object.
To calculate the center of gravity of an object, we need to sum the weights multiplied by the distance from the starting point and divide by the total weight of the object.
CG = (aM + bN + cP)/(M + N + P)
Plumb line technique:
When a object is freely suspended, its center of gravity is always directly below the suspension point. A plumb bob is a heavy weight attached to a string that hangs perpendicular to the ground. The line drawn is vertical and passes through the object's center of mass. Repeat this process to pick another attachment point and draw a line along the second vertical line. The centroids of all these objects are at the intersection of the vertical lines. The intersection of two or more vertical lines from a vertical line is the centroid of the object.
If an object is symmetrical and uniformly dense, it is easy to guess its centroid.
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