The current flowing when the charge is transfered at different rates are:
A. 4.5 A4.5 A
B. 3.2 A
C. 4.6 A
D. 3 A
E. 2 A
F. 13 A
G. 6.4 A
H. 8.8 A
I. 0.5 A
How do I determine the current?We know that charge, current and time are related by the following formula:
Charge (Q) = Electric current (I) × time (t)
Q = It
Divide by t
I = Q / t
With the above formula, we can obtain the current. Details below:
A. How do I determine the current?
Charge (Q) = 4.5 CTime (t) = 1 sCurrent (I) = ?I = Q / t
I = 4.5 / 1
I = 4.5 A
B. How do I determine the current?
Charge (Q) = 192 CTime (t) = 1 min = 60 sCurrent (I) = ?I = Q / t
I = 192 / 60
I = 3.2 A
C. How do I determine the current?
Charge (Q) = 16.56 KC = 16.56 × 1000 = 16560 CTime (t) = 1 h = 1 × 60 × 60 = 3600 sCurrent (I) = ?I = Q / t
I = 16560 / 3600
I = 4.6 A
D. How do I determine the current?
Charge (Q) = 1.8 CTime (t) = 0.6 sCurrent (I) = ?I = Q / t
I = 1.8 / 0.6
I = 3 A
E. How do I determine the current?
Charge (Q) = 3.2 CTime (t) = 1.6 sCurrent (I) = ?I = Q / t
I = 3.2 / 1.6
I = 2 A
F. How do I determine the current?
Charge (Q) = 33.8 CTime (t) = 2.6 sCurrent (I) = ?I = Q / t
I = 33.8 / 2.6
I = 13 A
G. How do I determine the current?
Charge (Q) = 147.2 CTime (t) = 2.6 sCurrent (I) = ?I = Q / t
I = 147.2 / 23
I = 6.4 A
H. How do I determine the current?
Charge (Q) = 7920 CTime (t) = 15 mins = 15 × 60 = 900 sCurrent (I) = ?I = Q / t
I = 7920 / 900
I = 8.8 A
I. How do I determine the current?
Charge (Q) = 7920 C
Time (t) = half hour = 30 mins = 30 × 60 = 1800 s
Current (I) = ?
I = Q / t
I = 900 / 1800
I = 0.5 A
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What is the name of the relationship between wavelength and frequency?
According to the equation, v = f λ, frequency and wavelength are inversely proportional to each other.
The SI unit of wavelength is meter usually denoted as m. While measuring wavelength the multiples or fractions of a meter is also used.
What is a meter?
The meter was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, making the circumference of the Earth approximately 40,000 km. In 1799, the meter was redefined as a prototype meter (the actual bar used was changed in 1889). In 1960, the power meter was redefined in terms of a certain number of wavelengths of a certain krypton-86 emission line. The current definition was adopted in 1983 and slightly modified in 2002 to make it clear that the meter is a measure of proper length.To know more about meter, click the link given below:
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When Apollo 15 astronaut David Scott did his famous freefall experiment on the Moon, he dropped a falcon feather from a height of about 1.6 meters. Assuming a gravitational acceleration of 1.6 m/s2 on the Moon, about how long did it take the feather to drop to the surface?
The time taken for the feather to drop to the surface, given that the gravitational acceleration is 1.6 m/s², is 1.4 s
How do I determine the time?From motion under gravity, we understood that height and time are related according to the follwing formula:
h = ½gt²
Where
h is the heightg is the acceleration due to gravityt is the timeUsing the above formula, we can obtain the time taken for the feather to drop to the surface. Details below:
Height (h) = 1.6 metersGravitational acceleration (g) = 1.6 m/s²Time taken (t) = ?h = ½gt²
1.6 = ½ × 1.6 × t²
1.6 = 0.8 × t²
Divide both side by 0.8
t² = 1.6 / 0.8
Take the square root of both side
t = √(1.6 / 0.8)
t = 1.4 s
Thus, the time take is 1.4 s
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if the triple beam balance scale and spring scale were taken to the top of mt. everest, do you think they measure same as in nyc?
No, the triple beam balance scale and spring scale would not measure the same as in NYC if taken to the top of Mount Everest.
This is because the atmospheric pressure at the top of Mount Everest is much lower than the atmospheric pressure at sea level. As atmospheric pressure changes, the weights of objects change as well. This phenomenon is referred to as barometric pressure.
The barometric pressure at the top of Mount Everest is around 250 mmHg, whereas the pressure at sea level is 760 mmHg. Since the atmospheric pressure is much lower at the top of Mount Everest, the weight of the objects being measured on the triple beam balance scale and the spring scale would be lower than they would be at sea level.
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1. How did the rock of the Great Plains and Rocky Mountains form?
Choose the claim you can eliminate.
Responses
They formed as one rock formation, and then something separated them.
They formed as one rock formation, and then something separated them.
One rock formation formed before the other. Then, the minerals from the older rock became part of the younger rock.
One rock formation formed before the other. Then, the minerals from the older rock became part of the younger rock.
What do we still need to know in order to determine why the two rock formations have such similar minerals?
w
Evidence Card E: Rocky Mountains. Photo of the Rocky Mountains. Observations: The large mountains have jagged tops. The chunks of rock vary in size. The rock appears to be light and dark gray. There is a forest at base of the mountains.
Evidence Card C: Rock from the Rocky Mountains. Photo of a rose-colored rock with dark veins. Observations: The rock contains visible pink, dark gray, and light brown grains. The grains fit together. The grains have sharp edges. There are no bubbles or fossils in this sample.
Why can we eliminate the claim you selected?
Rock from the Great Plains and the Rocky Mountains combined to form a single rock formation, which was later destroyed. The first allegation is accurate, but the second one should be dropped.
How are rocky mountains formed?The Rocky Mountains and the Great Plains are two distinct rock formations that did not originate concurrently, and this should be kept in mind. As a result, the minerals from the older rock were not absorbed into the younger rock.There was a formation made of rock from the Great Plains and the Rocky Mountains, but something tore it apart. The second claim must thus be disregarded because it is untrue.For more information on rocky mountains kindly visit to
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SEP Use Mathematics
Suppose a 75-kg crash dummy is in contact with
an airbag for 0.075 seconds during a crash, and the impulse delivered is
1900 N-s. Calculate the average force exerted by the airbag on the dummy
and compare that force with the gravitational force on the crash dummy.
Acceleration towards rear is 11 m/s2.
What is acceleration?Mass of dummy = 75 kg, Force acted towards rear of the car = 825 N. Force acting on a body = Mass of body * Acceleration of body
The rate at which an item changes its velocity is known as acceleration, a vector quantity. If an object's velocity is changing, it is accelerating.
A substance is not accelerating if its velocity is not changing. The information on the right depicts an object that is speeding as it moves northward.
Therefore, Acceleration towards rear is 11 m/s2.
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what does theta and sin have to do with a pendulums harmonic motion
Answer:
are u a gìrl?????????......
was your test designed to do?
A. In order to increase the current flowing through the lightbulb, the team wanted to find a way to decrease voltage.
B. In order to reduce the current flowing through the lightbulb, the team wanted to find a way to increase voltage.
C. In order to increase the current flowing through the lightbulb, the team wanted to find a way to increase resistance.
D. In order to reduce the current flowing through the lightbulb, the team wanted to find a way to increase resistance.
In order to reduce the current flowing through the lightbulb, the team wanted to find a way to increase resistance. Hence, option (D) is correct.
What is Ohm's law?
Ohm's law is one of the most fundamental and significant principles governing electrical circuits.
Under the assumption that all physical parameters and temperatures remain constant, Ohm's law asserts that the voltage across a conductor is directly proportional to the current flowing through it.
Mathematically, V = IR
Hence, The team was trying to figure out a technique to increase resistance at constant voltage supply in order to decrease the current flowing through the lightbulb.
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How do orbital resonances with jupiter affect the asteroid belt?
Planetesimals' orbits were disturbed by orbital resonance with Jupiter, which prevented them from accreting into planets.
Orbital resonance happens when the gravitational forces of celestial bodies that are periodically orbiting one another interact, and this interaction is sometimes expressed as a ratio of tiny integers.
Jupiter has the ability to influence the asteroid belt since it is so large and is located very close to the asteroid belt compared to other planets. Asteroids are literally pushed out of the orbital resonances with Jupiter at the locations where they exist, leaving empty space in their wake.
Since Daniel Kirkwood, an American astronomer, was able to foresee and characterise such occurrences in the middle of the 1800s, the region has been virtually free of asteroids. Kirkwood gaps were later used to describe this paucity of asteroids in the region of Jupiter's orbital resonances.
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Considering the factors that affect gravitational pull, in which location would the gravitational pull from the earth be smallest on you?.
The right response is travelling to the Himalayan Mountains to see Uncle Chrissy gravitational.
Objects with mass produce a force called gravity that affects other mass-containing objects. Our planet has a gravitational field, and objects can be affected by that field's force.
The Arctic Ocean's surface has the highest gravitational acceleration, at 9.8337 m/s2, while Mount Nevado Huascarán in Peru has the lowest, at 9.7639 m/s2.
This indicates that the Earth's gravity is 9.789 m/s2 at the equator and 9.832 m/s2 at the poles. In other words, this centripetal force causes you to weigh slightly more at the poles than you do at the equator. The size of an object has an impact on gravity, as does
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Problem 1: A box rests on a horizontal surface. You apply a force on the box of F= 100 N at an angle, 0, below the horizontal and it slides at a constant velocity. The friction force that acts on the box is: Multiple Choice : 1) 100 Newtons. 2) less than 100 Newtons. 3) greater than 100 Newtons. у F 0 m y. X
On a horizontal surface, a box is perched. The box glides at a constant speed when you apply a force of 100 N at an angle of 0 below the horizontal. Less than 100 N of frictional force is exerted on the box.
A box is moving steadily at 0.55 m/s down an incline slope. All forces operating on this container must result in a vector that points. None of the alternatives above. A extremely thin rope is used to drop a bucket at a steady descending speed. The rope's tension must match the weight of the bucket. If the box is subjected to a force F with an angle p as illustrated,what is the smallest value of below which, regardless of the, the box will not move; A 55.0-kg box is positioned horizontally. The box and the surface have a static friction coefficient of 0.300. What must be put to the box horizontally in order for it to begin.
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jannah is trying to replace the lens on her camera. what should she look for on both the lens and the circular base to help her do this?
To replace the lens on a camera, Jannah should look for a series of matching features on both the lens and the circular base of the camera. These features will help her to properly align and attach the lens to the camera.
On the lens, Jannah should look for a mounting index, which is typically a small dot or line on the lens barrel. This mounting index helps to align the lens with the mount on the camera.
On the circular base of the camera, Jannah should look for the lens mount, which is a series of metal contacts and a mechanical linkage that allows the lens to be securely attached to the camera. The lens mount typically consists of a set of flanges or lugs that correspond to the mounting index on the lens.
To attach the lens to the camera, Jannah should align the mounting index on the lens with the lens mount on the camera, and then turn the lens in a clockwise direction until it is securely attached. Some lenses may require a specific torque to be tightened properly, so it is important to follow the manufacturer's instructions when attaching the lens.
Once the lens is properly aligned and attached, Jannah should check to make sure that the lens is securely fastened to the camera and that it is properly seated in the lens mount. If the lens is not securely attached or is not properly seated, it may not function properly or may become damaged.
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a convex spherical (diverging) mirror with a focal length of 25 cm has a 4.0 cm tall object placed 100 cm in front of it. what is the position of the image relative to the mirror? (also drawing a ray diagram might help)
The position of the image relative to the mirror v = 20cm, position of the image behind the mirror.
Since object is always placed in front of the mirror
Hence, object distance will be negative
Object distance (u) = - 100cm
Focus of a convex mirror is behind the mirror
Hence focal length will be positive
Focal length (f)= + 25cm
Find position of the image
Let the image distance = v
Using formula,
[tex]\frac{1}{v}[/tex] +[tex]\frac{1}{u}[/tex] = [tex]\frac{1}{f}[/tex]
[tex]\frac{1}{v}[/tex] = [tex]\frac{1}{f} - \frac{1}{u}[/tex]
[tex]\frac{1}{v} = \frac{1}{25} - \frac{1}{-100}[/tex]
[tex]\frac{1}{v} = \frac{1}{25} + \frac{1}{100}[/tex]
[tex]\frac{1}{v} = \frac{4 + 1}{100}[/tex]
[tex]\frac{1}{v} = \frac{5}{100}[/tex]
v = [tex]\frac{100}{5}[/tex]
v = 20cm
Since v is positive
Hence, image is 20cm behind the mirror
Nature of image is Virtual and erect.
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which type of photon is emitted when an electron in a hydrogen atom drops from the n=2 to the n=1
An ultraviolet type of photon is released whenever an electron inside a hydrogen atom transitions from the n-2 to the n-1 energy level.
An electron is a negatively charged neutron star that can be either free or bonded to an atom (not bound). An atom has three basic types of particles: protons, neutrons, and the electron that is connected to them.
The electrons are an atom's negatively charged building blocks. A negatively charged atom is created when all of an atom's electrons come together to balance off the positive charge that protons have inside the atomic nucleus. Electrons are the most abundant element in the universe.
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What are scope 1 3 emissions?
Direct emissions from owned or controlled sources are covered by Scope 1. The generation of the purchased electricity, steam, heating, and cooling used by the reporting company is covered by scope 2's indirect emissions. All other indirect emissions that take place along a company's value chain are covered by scope 3.
What scope, 1, or 2, is natural gas?The most frequent source of Scope 1 emissions is natural gas. Both large manufacturing companies and power companies frequently use it to produce electricity. Other industrial applications include heating, road transportation, and the production of a variety of goods like glass, steel, and plastics.
Is scope 3 a part of net zero?The organization's global scope 1, 2, and 3 emissions are included in the Net Zero target's perimeter.
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Quantum Physics vs Newtonian Physics
Quantum physics and Newtonian physics are two different frameworks for understanding the behavior of matter and energy at different scales.
Newtonian physics, also known as classical mechanics, is based on the work of Isaac Newton and describes the motion of macroscopic objects, such as cars, planets, and baseballs. It is based on the principles of mass, force, and acceleration, and it is very successful at predicting the behavior of objects moving at speeds that are not too close to the speed of light.
Quantum physics, on the other hand, is a theory that describes the behavior of matter and energy at the atomic and subatomic scale. It is based on the idea that energy, matter, and the fundamental building blocks of the universe, such as electrons and photons, can exhibit both wave-like and particle-like properties. Quantum physics also introduces the concept of probability, which allows for the prediction of the likelihood of certain outcomes but not the exact outcomes themselves.
While Newtonian physics and quantum physics may seem quite different at first glance, they are actually complementary theories that can be used to describe the behavior of matter and energy in different situations. In many cases, the predictions of quantum physics agree with those of Newtonian physics, but there are also situations where quantum physics makes predictions that differ from those of classical mechanics.
2 containers are brought in thermal contact and allowed to reach thermal equilibrium. if container 1 initially held 78.3 kg of liquid at a temperature of 271 k, and container 2 initially held 50.6 kg of the same liquid at a temperature of 212 k, then what is their final temperature?
Their final temperature is 247.84 K.
What is thermal equilibrium?
When two physical systems are linked by a channel permeable to heat, they are said to be in thermal equilibrium if there is no net transfer of thermal energy between them. The zeroth law of thermodynamics is seen during thermal equilibrium.
Given that: container 1 initially held 78.3 kg of liquid at a temperature of 271 K, and container 2 initially held 50.6 kg of the same liquid at a temperature of 212 K.
Let the final temperature be T.
As the materials of both container 1 and 2 is same and the comes thermal equilibrium,
78.3 (271-T) = 50.6 ( T - 212 )
(50.6 + 78.3) T = 78.3*271 + 50.6*212
T = 247.84 K.
Hence, the final temperature is 247.84 K.
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An ant crawls 500 cm north, 300 cm west, 200 cm south, then 300 cm east. What is its distance traveled?
When an ant crawls 500 cm north, 300 cm west, 200 cm south, then 300 cm east, the distance traveled will be 1300cm.
Distance = 500 + 300 + 200 + 300
Distance = 1300cm
In a different sense, the path an object takes to traverse a certain distance while maintaining a specific speed from one point to another is known as the distance travelled. As was previously said, the distance formula combines time, speed, and distance.
Speed times time equals distance.
The entire path an object has taken can be used to define the distance of an object. For instance, if an automobile travels 5 km east, then turns to head north for another 8 km, the final distance will be 13 km.
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what is the best way to push an object? by using your upper body strength by using your upper body strength by using your hip and leg muscle by using your hip and leg muscle by leaning into the object with your body weight by leaning into the object with your body weight by pushing with the strength in your arms
It's indeed safer to push than to pull whenever feasible.If an item must be hauled, keep it close to your body and centered between the shoulders and hips.Bend between the waist and shoulders while attempting to maintain a straight back.Always avoid pulling or pushing things up high.
Which muscles work best when lifting something?Keep in mind that the quadriceps (thighs), gluteus (buttocks), and abdominal muscles are your LIFTING MUSCLES.
When pushing anything, how should you move your body correctly?Put your hands on anything and bend your elbows to push it.Apply steady, sustained pressure by moving your weight from the back leg to the front leg.Figure: Grab the item and bend your elbows to pull it.
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If the distance between the two spheres a and b is 500 cm, find the location for the third sphere c so that the net force on it is zero.
Given that the third sphere is located at force x = 175 cm
Therefore, route two multiplied by the and divided by twplus one will be closed to route X. Okay, so this is how the X is expressed. This is the party, then. Now, in the party, we must locate what we have.
R = 500 cm, and x = 0.35R.
Therefore, x = 0.35 500 cm and x = 175 cm.
Therefore, the third sphere needs to be positioned 175 cm apart from the first sphere force.
The arrangement below shows the placement of two spheres, A and B. mA = 3m and mB = 8m. 8m is the mass of sphere C. Considering that A and B are separated by 500 cm,
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How long will it take a horse to gallop 20 miles at 4mph
hours
Answer:
1 hour 30 minutes
Explanation:
because it is going 4 miles and i did this and i got it right
Two horses have hooves of about the same area. Horse A has a much bigger mass than horse B. How would the pressure that they produce on the ground be different?
The pressure will be different because of the difference in the masses of horse A and horse B.
Horse A will have greater pressure due to much bigger mass.
Who do horses have hooves?In order for a horse to survive and operate, its hooves are necessary. Throughout a horse's lifetime, its hooves expand. Each foot of a horse has a single, solid hoof. The size of this might vary according on the breed, size, and running and jumping prowess of the horse.
Scholars have long disagreed on how animals—whose predecessors were dog-sized creatures with three or four toes—came to have only one hoof. According to a recent research, when horses grew bigger, one big toe was shown to be more resistant to bone stress than several smaller toes.
Thus, horse A will have greater pressure due to much bigger mass.
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What does the B in the volume formula V BH stand for?
The B in the volume formula V = BH stands for the base, which is the area of the base of the cylinder shape.
A cylinder is a three-dimensional solid shape comprising two parallel circular bases, connected by a curved surface, where the center of the circular bases overlaps each other to create a right cylinder. The formula V = BH is a formula used to calculate the volume of a cylinder. In this formula, V stands for volumes, H represents the height of the cylinder, and B indicates the area of the base of the cylinder.
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is b in {a1,a2,a3}? how many vectors are in {a1,a2,a3}?
There are 3 vectors are in {a1,a2,a3}.
Since W is the set of all vectors that can be written as a linear combination, there are infinitely many members in W. k₁, k₂, and k₃ are actual integers in the formula: k₁ * a₁ + k₂* a₂ + k₃ * a₃3 .
The definition of a vector is an entity with both magnitude and direction. The movement of an object between two points is described by a vector. The directed line segment can be used to graphically represent vector math.
(a). A₁, A₂, and A₃ each contain three vectors. b = (4, 1, -4) = -4 * a1 - a2 - 2 * a3. In W, the number of vectors is unlimited.
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From the definition of the standard Ohm calculates the resistivity and conductivity of mercury at 0°
C. Given that standard Ohm is the resistance of thread from mercury with a uniform cross-sectional
area 1mm2 and its length 106.3 cm at 0°C. (hint: standard Ohm has a resistance of unity)
The resistance of the wire as shown is obtained as 106.3 * 10^4 Ohm.
What is the resistance?We know that the term resistance has to do with the degree of the opposition that is offered to the flow of current. We should know that the resistivity is the opposite of conductivity. We can see that in this case we have to write down the formula of the resistance as;
R = ρl/A
R = resistance
ρ = Resistivity
l = length
A = Area
Then we have for the mercury;
R = 1 * (106.3 * 10^-2)/( 1 * 10^-6)
R = 106.3 * 10^4 Ohm
The wire would have a resistance of 106.3 * 10^4 Ohm.
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What is true about radiation Mcq?
Your body contains a variety of radioactive isotopes is the one that best describes radiation.
What is the definition of radioactive isotopes?(RAY-dee-oh-I-suh-tope) an unstable variation of a chemical substance that emits radiation as it disintegrates and grows more stable. Both natural and artificial radioisotopes can be created. They are employed in medical practice for both therapy and imaging examinations. termed radionuclide as well.
Why do radioactive isotopes pose a threat to human life?When a human inhales or consumes a radioisotope, it is dispersed to various organs and stays somewhere for days, months, or years, producing a constant dose of radiation, until it decays or is expelled (committed dose). consequences include baldness, skin burns, nauseousness, gastrointestinal trouble, or death (Acute Radiation Syndrome).
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Core Lab Coaching Activity: Anatomy of the Heart ow blood moves into and out of the heart Vew Awailable Hs Right atrum Aprta Le Punanary venrle uk Pumnary Lung Puimanary Lel Triounpd valve Right venncle valve Aoric semilunar vaves Pulmonary vave The o kg t be dee ed Submt Previoun Aneswers Requent Anews X Incorrect: Try Again: One attempt remaining Part C Heart Conduation System s de r heain conran and eaan anases Auha e Cardas muao4 ms raan tar y can e eny of t an
The flow of blood from into the heart to out of the heart is given as Right atrium→tricuspid valve→right ventricle→pulmonary semilunar valve→pulmonary trunk→pulmonary arteries→lung capillaries→pulmonary veins→left atrium→bicuspid valve→left ventricle→aortic semilunar valve→aorta
The right atrium receives deoxygenated blood from the body through two large veins, the posterior (inferior) and anterior (superior) vena cava.
Through the tricuspid valve, blood is transferred from the right atrium to the right ventricle. Tricuspid valve closure occurs when the ventricle is full to stop blood from returning to the atrium.
Through the pulmonary vein, blood that has been oxygenated by the lungs enters the left atrium.
Blood can go from the left atrium into the left ventricle when the mitral valve is open. When the ventricle is full, the mitral valve closes to prevent blood from returning to the atrium.
Blood may move from the heart to the aorta and from there to the rest of the body thanks to the aortic valve.
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What are 2 equations for calculating wavelength?
λ = v/f. Wavelength, velocity, and frequency are all given in units of meters, seconds, and hertz (Hz).
Which two equations represent wave speed?Wavelength and frequency are related to wave speed via the wave speed equation (Speed = Wavelength x Frequency). This equation can be used to determine wave speed when the wavelength and frequency are known.
Which two frequency formulas are there?The frequency formula in terms of time is provided as follows: f = 1/T, where T is the duration of one cycle in seconds and f is the frequency in hertz. The formula for calculating frequency in terms of wavelength and wave speed is given as f = /, where is the wave speed and is the wavelength of the wave.
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What are 2 examples of irony in The Interlopers?
In “The Interlopers”, irony is a key element the author Saki uses to convey the theme that when people hold grudges, the outcome of the feud is often tragic and The dramatic irony is that both men wish to meet the other man face to face with no witnesses around—each man has the wish to kill the other.
What is an irony?
Irony in its broadest sense is the juxtaposition of what appears to be on the surface and what is or is expected to be. It is an important rhetorical and literary technique.
Sarcasm can be divided into several types, such as verbal sarcasm, dramatic sarcasm, and circumstantial sarcasm. Verbal, dramatic, and situational sarcasm are often used to emphasize truthful claims. An ironic form of simile used in sarcasm, and some forms of ritote, are deliberate words that convey the opposite of the truth, deny the opposite of the truth, or grossly and clearly disrespect the facts. May be used to emphasize the importance of a person.
Therefore, In The Interlopers, Irony is a key element for author Saki to convey the theme, and when people hold grudges, the consequences of feuds are often tragic, and the dramatic irony is that both men are shunned by the other. It's about seeing someone face it because they want to see it. Face it with no witnesses around - each person has a desire to kill the other person.
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What is the formula for gravitational gravitation between two objects?
The formula for gravitational force between two objects is given as the product of gravitational constant and masses of the two objects, divided by the square of distance between the two objects.
The formula is given as:
= F = (G X M X m) / r²
where,
Force = F
Gravitational Constant = G
Mass of one object = M
Mass of another object = m
Distance = r
According to Newton's universal law of gravitation, The force of attraction between any two bodies is directly proportional to the product of their masses and is inversely proportional to the square of the distance between them.
The force of attraction on a body by earth is called gravitational force. Example : The leaves and fruits fall from a tree downwards towards the ground.
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A sound wave, with an intensity of 50 w/cm2, strikes a boundary and is totally reflected. What is the intensity reflection coefficient (irc)?
The intensity reflection coefficient (irc) is 1.
What is the intensity reflection coefficient (irc)?The ratio of the intensity of the reflected wave to the incident (transmitted) wave is known as the intensity reflection coefficient.
Intensity of incident (transmitted) sound wave = 50 W/cm².
As it is totally reflected, intensity of the reflected sound wave = 50 W/cm².
Hence, intensity reflection coefficient =
intensity of the reflected sound wave ÷ Intensity of incident sound wave
= 50 W/cm² / 50 W/cm².
= 1.
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