A high pass filter is the exact opposite of a low pass filter since the two components have been switched over, and the output signal is now obtained from the other side of the resistor.
A resistor is an electrical component with two terminals that implements electrical resistance as a circuit element. Resistors are employed in electronic circuits for a variety of purposes, including lowering current flow, adjusting signal levels, dividing voltages, biassing active devices, and terminating transmission lines. Power distribution systems, test loads for generators, and motor controls may all make use of high-power resistors with the ability to waste several watts of electrical energy as heat. With temperature, time, or operating voltage, the resistance of fixed resistors varies only a little. Variable resistors can be used as sensors for heat, light, humidity, force, or chemical activity as well as to alter circuit components (such as volume control or a lamp dimmer). Electrical networks and electronic devices frequently use resistors.
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Consider a 0.95 MeV y-ray photon. Randomized Variables E = 0.95 MeV
Considering a 0.95 MeV y-ray photon and Randomized Variables E = 0.95 MeV so the frequency of light will be 2.294×10²⁰ Hz.
Given,
The energy of photon
E = 0.95 MeV = 0.95× 1.6×10⁻¹³ J or 1.52 × 10⁻¹³ J
Using E = hυ
We have:
υ = E/h = 1.52×10⁻¹³/(6.626×10⁻³⁴)
= 2.294×10²⁰ Hz
Thus the frequency of light will be 2.294×10²⁰ Hz.
Associated to each wave vector ~k and polarization state σ there is an electromagnetic normal mode of oscillation with frequency ω(k) = kc and complex amplitude aσ( ~k). In the absence of sources, the behavior of the electromagnetic field is completely described by these normal modes. We will assume the normal modes are defined using periodic boundary conditions.
For each ~k and σ there is a Hilbert space of square integrable functions and a Hamiltonian( ~k). For each ~k and σ there is a basis of energy eigenvectors; the corresponding ladder operators act on this basis by adding and subtracting quanta of energy ω(k).
We can use this basis to induce a basis for the tensor product over all the oscillator Hilbert spaces, which is the state space for the composite system of normal modes, i.e., the electromagnetic field.
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Which is a result of using a machine?
Answer:
Yes labor is required therefor jobs like cashier, and other low skill labor jobs I'll not be required
Explanation:
An electromagnet is the most powerful type of magnet there is . It is a magnet with a current running through it that can be turned on and off , Why might it be useful to be able to turn the electromagnet on and off ?
To control the strength of the magnet
To not waste electricity
To latch onto and let go of objects
To reduce wearing out of the magnet over time
It might be useful to be able to turn the electromagnet on and off so as to latch onto and let go of objects.
Electromagnets are incredibly useful because they can be used to create a magnetic field on demand. This means they can be used to quickly switch a device or system on or off. They can be used to quickly pick up and move objects, to switch circuits, and to control the flow of electricity in a device. They are also used in many industrial and scientific applications such as manufacturing, motors, generators, and MRI machines. While you cannot feel electromagnetic radiation, it does release specific pulses that have an impact on your physical and emotional well-being. It's a good idea to turn off anything that could actually cause some of your organs to shrink.
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What question is maya most likely trying to answer? how does the type of material used in the core affect the strength of an electromagnet? how does the number of loops of wire affect the strength of an electromagnet? how does the speed at which an iron bar is removed from wire loops affect the strength of an electromagnet? how does the thickness of the wire affect the strength of an electromagnet?
The question is maya most likely trying to answer is, how does the thickness of the wire affect the strength of an electromagnet?
What is effect of thickness of wire on strength of electromagnet?
From the experimental set-up by maya, we can determine the effect of thickness of wire on strength of electromagnet.
R ∝ 1/A
where;
R is resistance of the wiresA is area of the wires (from thickness or radius of the wire)As the thickness of the wire increases, the area of the wire increases and the resistance of the wire will decrease. As the resistance of the wire decreases, the current flowing in the wire increases as well.
Thus, the increase in the thickness of a wires increases, the strength of an electromagnet.
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Answer:
A
Explanation:
Describe what a sedentary lifestyle is?
Answer:
An inactive or sedentary way of life. All of these terms, which you have certainly heard before, refer to a lifestyle that involves a lot of sitting and lying down and little to no activity. People are engaging in sedentary activities for an increasing amount of time both in the United States and abroad.
Explanation:
Brainliest pls
Construct an explanation to describe how a three-toed sloth and a nine-banded armadillo may have evolved from a common ancestor. Include mutation, adaptation, and environmental factors in your explanation
The evolution of a three-toed sloth and a nine-banded armadillo from a common ancestor could have occurred through a combination of genetic mutation, adaptation, and environmental factors.
Over time, genetic mutations in the ancestral population could have led to variations in physical traits, such as body shape, limb length, and claw structure. These variations could have provided some individuals with a better ability to survive and reproduce in their environment, leading to natural selection. In the case of the three-toed sloth, genetic mutations may have led to the development of longer limbs and curved claws that enabled them to move more efficiently through trees and hang upside down for extended periods. Similarly, genetic mutations in the ancestral armadillo population could have led to the development of a protective shell and sharp claws for digging and defense.
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a 100kg crate is set on a 30 degree ramp that possesses some friction. How much friction is required to cause the crate to stick and not slide?
Answer: 490 N
Explanation:
what is one physical force that can change an object from one phase to the next
One physical force that can change an object from one phase to the next is temperature. The phase of matter is determined by the arrangement and movement of its particles. As temperature changes, the average kinetic energy of the particles also changes, causing them to move faster or slower.
This change in movement can lead to a change in the arrangement of particles, which ultimately changes the phase of the matter.
For example, if a solid is heated, the particles gain energy and vibrate faster, causing the bonds between particles to weaken. Eventually, the bonds break, and the particles are able to move freely, resulting in a liquid phase. Similarly, if a liquid is cooled, the particles lose energy and move slower, causing the bonds between particles to strengthen. Eventually, the particles will become fixed in a rigid pattern, resulting in a solid phase.
Therefore, temperature can act as a physical force to change the phase of matter, and it is a fundamental concept in the study of thermodynamics and phase transitions.
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Air enters a nozzle steadily at 2.21 kg/m3 and 40 m/s and leaves at 0.762 kg/m3 and 180 m/s. If the inlet area of the nozzle is 90 cm2, determine (a) the mass flow rate through the nozzle, and (b) the exit area of the nozzle.
We apply the conservation of mass concept to resolve the presented issue. Throughout the nozzle, the mass flow rate () remains constant. We estimate the mass flow rate to be roughly 0.797 kg/s using the inputs of the inlet density (2.21 kg/m3), intake velocity (40 m/s), and inlet area (90 cm2 = 0.009 m2).
We use the mass flow rate, the exit density (0.762 kg/m3), and the exit velocity (180 m/s) to calculate the exit area. It is discovered that the nozzle's output area is roughly 0.0063 m2.
Accordingly, given the characteristics of the intake and exit densities, velocities, and inlet area, the mass flow rate through the nozzle is around 0.797 kg/s, and the exit area of the nozzle is approximately 0.0063 m2. These calculations show how density, velocity, and area interact in a steady flow system and how mass is conserved.
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if the pupil of your eye is 4.2 mm in diameter when reading a page held 24 cm from your eye, what is the minimum separation of adjacent dots that can be resolved? (assume light with a wavelength of 520 nm , and use 1.36 as the index of refraction for the interior of the eye.)
Adults typically have pupils that range in diameter from 2 to 4 mm in bright light to 4 to 8 mm in complete darkness. The size of the pupils is normally equal.
Does the size of the pupil's opening affect the eye's maximum resolution?The pupil's maximum opening diameter and the size of the retinal cells determine the eye's maximum resolution. The retinal cells' size restricts the size of an item to a height of around 50 m at the eye's near point (25 cm).
What is 25cm vision?When an object is situated at least 25 centimetres from the human eye, the eye can perceive objects clearly without any effort.
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The input preure on a hydraulic lift i 1200 Pa. If the output force on the other ide i 800 N, what i the output urface area?
A hydraulic lift's input pressure is 1200 Pa. If the output force on the other side is 800 N, the output surface area is 0.67m^2
Given the input pressure (P1) = 1200Pa
Output force (F2) = 800N
We know that P= F/A where A is area of cross section
Let the input force be F1 and area is A1
Then by pascals law we say that:
F1/A1 = F2/A2
1200 = 800/A2 (since P1= F1/A1)
A2 = 8/12 = 0.67m^2
Hence the area of other side = 0.67m^2
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13) Un móvil A parte de una ciudad a las 12 horas, con una velocidad de 40 Km/h. 2 horas después parte otro con una velocidad de 60 Km/h. Averiguar a qué hora se encuentran y a que distancia de la ciudad
Answer:
¿Podrías poner la pregunta en inglés por favor?
Explanation:
Which is greater in magnitude, the heat of fusion or the heat of vaporization of water?.
In comparison to heat of fusion, water evaporation heat is stronger in magnitude. Compared to the heat of fusion, the heat of vaporization of water is significantly greater.
Clarification of the Problem For any substance to change from its solid phase to its liquid phase, a certain amount of energy is needed, known as the heat of fusion. Heat of vaporization, also known as enthalpy of vaporization, is the quantity of enthalpy (heat energy) required to change a liquid substance into a gas or vapour. fusion is measured in Joules per Mole (J/mol), or calorie equivalents, at intervals (C).
Water evaporates as a result of heat. As a result of the molecules' rapid movement and vibration, water vapour is produced, which is released into the atmosphere.
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beats: the little brown bat is a common bat species in north america. it emits echolocation pulses at a frequency of 40 khz, well above the range of human hearing. to allow observers to "hear" these bats, an electronic bat detector combines the bat’s sound wave at a frequency f 1 with a wave of frequency f 2 from a tunable oscillator. the resulting beat frequency is isolated, amplified, and then played through a speaker. to what frequency f 2 should the oscillator be set in order to produce an audible beat frequency of 3.0 khz? hint: there are two possible oscillator frequencies
Beyond the audible range of humans, most bat echolocation occurs. Depending on their age, people have a hearing range of 20 Hz to 15-20 kHz. 9 kHz to 200 kHz is the frequency range for bat calls.
What is Bat Echolocation?Bats are able to see just as well as humans, but they have developed an advanced echolocation technique that allows them to move around and find food in the dark. Using their mouth or nose to emit high frequency sound pulses and listening for the echoes, bats use echolocation to find prey. The bat uses this echo to assess the size, shape, and texture of objects in its environment. Bat echolocation is so advanced that these animals can find something as small as a human hair.Shouting bats and whispering bats are two general descriptions of bats based on their echolocation calls. If we could hear them, big brown bats and little brown bats would be shouting at 110 decibels, which is about as loud as a smoke alarm. Northern long-eared bats have 60 decibel whispering voices. While whisperers collect insects from tree foliage and forage in the crowded conditions of forest interiors, shouters typically hunt for food in open areas.To Learn more About bat echolocation refer to:
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What is the minimum diameter at section (1) in the pipe below to avoid cavitation at that location? Take D2= 15 cm. Neglect friction head loss in the pipe. (3) Water 5 m (1) (2)
The minimum diameter at section (1) in the pipe below to avoid cavitation at the location is 16.6 cm.
Look at the picture
In section (1) according to Torricelli's law the speed of waterAccording to Bernoulli's equation in sections (1) and (2)
p₁ + 0.5 ρv₁² = p₂ + 0.5 ρv₂²
1.5 × 10⁵ + (0.5 × 1,000 × 14²) = 1.01 × 10⁵ + (0.5 × 1,000 × v₂²)
1.5 × 10⁵ - 1.01 × 10⁵ + 98,000 = 500 × v₂²
49,000 + 98,000 = 500 × v₂²
147,000 = 500 × v₂²
v₂² = 147,000 ÷ 500
v₂² = 294
\(v_2 = \sqrt{294}\)
v₂ = 17.15 m/s
According to the continuity equation for fluids
A₁ v₁ = A₂ v₂
\(\frac{1}{4} D_1^2 v_1 = \frac{1}{4} D_2^2 v_2\)
D₁² v₁ = D₂² v₂
D₁² × 14 = 15² × 17.15
D₁² = 3,858.75 ÷ 14
D₁² = 275.625
\(D_1 = \sqrt{275.625}\)
D₁ = 16.6 cm
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Calculate the time it takes for the tennis ball to reach the top of its path.
The time for the tennis ball to reach its maximum height is 1.32 seconds.
If an item is projected upwards in an exact vertical direction, the velocity at which it is projected matches the velocity after it returns to the same height in magnitude but in the opposite sign.
First, we have to calculate the maximum height reached by the tennis ball.
The formula to calculate maximum height is:
hmax = h + V² * sin(α)² / (2 * g),
where
hmax is the maximum height
v is velocity
α is the angle of launch
g is the acceleration due to gravity
h is the initial height of the object
In the given question,
v= 13m/s
g= -9.8ms-2
h= 0
α = 90°
Thus,
hmax = 13*13 *sin(90)^2/ 2*(-9.8)
hmax= 8.62 m
Now to calculate the time taken to reach the maximum height by the tennis ball, we know that
s = ut + 1/2 at^2
s here is hmax
u=0
t we have to find
Thus,
8.62= 0 * 1/2(-9.8) *t2
t= 1.32 s
Hence, the time taken by the tennis ball to reach its maximum height is 1.32seconds.
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Calculate the current through the resistor in the circuit shown below.
Answer:
0.6amp or I= 0.6
Explanation:
V=IR
12V=I(20)
12/20=I
0.6=I
Answer:
0.6amp
Explanation:
A laser beam is used to levitate a metal disk against the force of earth's gravity.
(a) derive an equation giving the required intensity of light, i, in terms of the mass m of the disk, the gravitational acceleration g, the speed of light c, and the cross-sectional area of the disk a. assume the disk is perfectly reflecting and the beam is directed perpendicular to the disk. (do not substitute numerical values; use variables only.)
i =
(b) if the disk has mass 3.89 g and radius 2.40 cm, find the necessary light intensity.
(c) give two reasons why using light pressure as propulsion near earth's surface is impractical.
The necessary light intensity of the disk if the disk has mass 3.89 g and radius 2.40 cm is 6.483 x 10^12cd.
Calculations and Parameters:a. Given that:
i= intensity of light m= mass of disk g= gravitational acceleration c= speed of light a= cross-sectional area of the diskI = P/A
= Force x Speed/Area
Gravitational force, F= GM1M2/r^2
F= ma, F= mg
I= mg x c/q
That is,
i= mass x gravitational acceleration x speed/area
b.
Mass= 3.89g
Radius, r= 2.40cm
i=?
i= mg x c/a
Speed of light= 3.0 x 10^8 m/s
Area, a= /pi r^2
= 3.142 x (0.024)^2
= 3.142 x 0.000576
= 0.0018m^2.
i= 3.89 x 10 x 3.0 x 10^8/0.0018
i= 6.483 x 10^12cd.
c. Light has no mass, therefore, it lacks momentum and cannot exert pressure for propulsion of materials.
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what is the best description of free-body diagram.
Answer:
leekwwjwojowo cliiiodh
Explanation:
Answer:
A free body diagram consists of a diagrammatic representation of a single body or a subsystem of bodies isolated from its surroundings showing all the forces acting on it In physics and engineering, a free body diagram (force diagram, or FBD) is a graphical illustration used to visualize the applied forces, moments,
Explanation:
Hope it helps
LESSON REVIEW
1.
ngement of the particles in
What type of arrangement and motion do particles in a liquid have?
A. Particles in liquid are closely packed together and vibrating.
B. Particles in liquid are not in contact with each other and are
moving very quickly.
2.
C. Particles in liquid are in contact with each other, but they are able
to slip past one another.
D. Particles in liquid are not in contact with one another and are
moving at extreme speeds.
What phase change occurs when a solid changes directly into a gas?
A. freezing
B. melting
C. evaporation
D. sublimation
(1) The particles in a liquid are arranged in a way that they are in contact with each other, but they are able to slip past one another. option is C.
(2) The phase change that occurs when a solid changes directly into a gas is called sublimation. option is D.
What is the motion of particles in liquid?In a liquid, the particles are closely packed together and are in contact with each other.
However, they are not as tightly packed as they are in a solid. The particles in a liquid have enough energy to move around and slide past one another, but they are still attracted to each other through intermolecular forces.
This is why a liquid has a definite volume but takes the shape of its container, as the particles can move around and fill the space available.
Solid to gas phase change:
When a solid changes directly into a gas, without passing through the liquid state, this is called sublimation.
In this process, the particles in the solid gain enough energy to break free from the intermolecular forces holding them together, and they transition directly to the gas phase. This can occur when the pressure of the surrounding environment is low and the temperature is high enough to provide the necessary energy for sublimation to occur.
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please help! you are awesome! also brainliest :)
The diagram below shows the two forces that keep Earth in orbit around the Sun.
What is responsible for Earth's movement toward the Sun?
A. Sun's forward motion
B. Earth's forward motion
C. Expansion of the universe.
D. force of gravity
Answer:
It's d
Explanation:
Answer: D
Explanation:
Force of gravity
What does Newton's second law describe?
A. How inertia affects the motion of an object
B. The relationship between force, mass, and acceleration
C. Action-reaction pairs
D. How friction and the normal force are related
How can a protective device minimize the magnitude of the net
force acting on an egg in a cart during a collision?
This reduces the force of the impact on the egg, limiting the amount of damage it receives.
What is force ?
Force is an influence that can cause a change in the motion, direction, or shape of an object. It is a vector quantity, meaning it has both magnitude and direction. Forces are a result of interactions between objects, and can either be a push or a pull.
Force can cause an object to accelerate, decelerate, or remain in its current state of motion. Examples of forces include gravity, friction, electromagnetism, and the normal force. Force is measured in units of Newtons (N).
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A cheetah is known to be the fastest mammal on Earth, at least for short runs. Cheetahs have been observed running a distance of 5.50 × 102 m with an average speed of 1.00 × 102 km/h.
How long would it take a cheetah to cover this distance at this speed?
The cheetah needs 197.8 seconds to complete the 5.50 *100 m distance.
The distance traveled divided by the time taken is the most popular formula for calculating average speed. The average speed is determined by dividing the whole distance by the total time required to complete the distance. The other calculation, provided you have the initial and final speeds, adds them together and divides by 2.20. calculating the time needed for a cheetah to travel 5.50 102 meters.
10 km/h average speed is equal to 10 / 3.6, or 2.78 m/s.
Dist. = 5.50 102
Time =?
average speed = time / distance
time=5.50 x 100/ 2.78
Time = 197.8 s
Therefore, it takes a cheetah 197.8 seconds to travel 5.50 102 meters.
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What is the wavelength of this wave?
15 cm
10 cm
60 cm
cannot be determined
Answer:
what do you mean?
Explanation:
wave length is the distance from one peak to the other.
which can be measured by cm,m,dM,mm etc
so the question that you give is the answer.
Why is communication an important part of the scientific process
Answer:
Communication is a vital component to the scientific process. It helps the scientist, if he/she was making an invention, tell people or get advice about the project, which couldn't be done without communication. Scientists need to communicate to learn, get advice, and collaborate with one another.
Name two sub-kingdoms of plant kingdoms
Answer:
⭐. cryptogams ( non-flowering & non-seed bearing)
⭐. phanerogams ( flowering & seed bearing)
uses of concave and convex mirror
hello?
Explanation:
→ Uses of Convex Mirror
• Convex mirrors are often used in the hallways of buildings including stores, schools, hospitals, hotels and apartment buildings.
• They are used in driveways, roads, and alleys to provide safety to all the bikers and motorists at curves and turns and other places where there is a lack of visibility.
• They are also used in some automated teller machines as a handy security feature that allow user to see what all is happening behind them.
• They are used in passenger side mirror on a car and somewhere it is labelled as “objects in mirror are closer than they appear” to warn the driver.
→ Uses of concave mirror :
• Head mirrors
• Shaving mirrors
• Headlights
• Ophthalmoscope (optical instrument)
• Solar furnaces
• Astronomical telescopes
A car goes 15 miles at 45mph, then goes another 15 miles at 30mph. a. How long does the trip take? b. What is the average speed for the whole trip?
The trip takes a total of 1.5 hours and has an average speed of 40 mph.
To calculate the time taken for each leg of the trip, we can use the formula time = distance/speed.
For the first leg of the trip, the car travels 15 miles at a speed of 45 mph. Using the formula, we find that the time taken for this leg is 15/45 = 0.33 hours.
For the second leg of the trip, the car travels another 15 miles but at a speed of 30 mph. Using the formula, we find that the time taken for this leg is 15/30 = 0.5 hours.
To find the total time for the trip, we add the times for each leg: 0.33 hours + 0.5 hours = 0.83 hours.
To calculate the average speed for the entire trip, we use the formula average speed = total distance/total time. The total distance traveled is 15 miles + 15 miles = 30 miles. The total time taken is 0.83 hours. Plugging these values into the formula, we find that the average speed for the trip is 30/0.83 = 36.14 mph.
Therefore, the trip takes a total of 1.5 hours and has an average speed of 40 mph.
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