1.72*10^-9
On an empty capacitor, there is no dielectric so E= 8.85E-12
C=EA/(d)
c is capacitance, A is area , d is distance between the parallel plate and E is dielectric constant.
C=(8.85E-12 c2/Nm2)(0.535m2)/ (2.75*10^-3m)
C= 1.72*10^-9
Capacitance is the ability of a dielectric to hold or store an electric charge.Dielectric constant is a factor that indicates the ability of an insulator to concentrate electric flux, also known as relative permittivityDielectric strength is the ability of a dielectric to withstand a potential difference without internal arcingDielectric absorption is the nability of a campacitor to discharge completely to zero. This is sometimes called battery action or capacitor memory.To know more about capacitance visit : https://brainly.com/question/14746225
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A wave having a frequency of 1000 hertz vibrates at. A) less than 1000 cycles per second. B) 1000 cycles per second. C) more than 1000 cycles per second
A wave with a frequency of 1000 hertz vibrates at 1000 cycles per second. Therefore, the correct answer is B) 1000 cycles per second.
Frequency refers to the number of cycles or vibrations of a wave that occur in one second. In this case, a wave with a frequency of 1000 hertz means that it completes 1000 cycles or vibrations in one second. Since the frequency is specifically 1000 hertz, it vibrates at precisely 1000 cycles per second.
When we say a wave has a frequency of 1000 hertz, it means that in one second, the wave completes 1000 cycles or vibrations. This frequency indicates the rate at which the wave oscillates or repeats its pattern.
So, if we consider a time interval of one second, during that time the wave will go through 1000 complete cycles. Each cycle represents one complete vibration of the wave, from its starting point to its peak, back to its starting point, and then to its trough.
Therefore, a wave with a frequency of 1000 hertz vibrates at a rate of 1000 cycles per second. This is why the correct answer is B) 1000 cycles per second.
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Patrice has no family history of diseases. Based on her history, what is her doctor MOST likely to tell Patrice?
O A. She should get regular health screenings.
She can avoid all health screenings.
She should visit a psychiatrist regularly.
B.
C.
D. She can avoid all vaccines.
Answer:A
Explanation: because her family doesn’t have any disease
A doctor would likely recommend regular health screenings for Patrice, despite her lack of family disease history. Screenings are universally recommended for early detection and treatment of potential issues. Vaccinations would also not be avoided based on family history alone.
Explanation:Even if Patrice does not have a family history of diseases, her doctor is most likely to tell her that she should get regular health screenings. Having no family history of specific diseases does not mean one is entirely free from the potential of developing health issues. Regular health screenings can help detect potential problems early, when they're easier to treat or manage. These screenings can involve routine physical exams, blood tests, or specific tests like mammograms or colonoscopies, depending upon age, gender, and other factors. Vaccines, similarly, are not decided based on family history, but rather on the possibility of exposure to specific diseases and age-specific recommendations.
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during an isothermal process, 5.0 j of heat is removed from an ideal gas. what is the change in internal energy? group of answer choices 5.0 j 10 j 2.5 j zero
the answer is zero (0). Isothermal process is a thermodynamic process that involves no change in temperature. Hence, during an isothermal process, the internal energy remains constant.
Therefore, the change in internal energy, ΔU = 0. Thus, the answer to your question is zero. The First Law of Thermodynamics states that the change in internal energy of a system is the sum of heat absorbed and work done by the system. It can be expressed as follows:ΔU = Q + W where ΔU is the change in internal energy, Q is the heat absorbed, and W is the work done by the system. During an isothermal process, the temperature of the gas remains constant. Hence, ΔU = 0. If 5.0 J of heat is removed from an ideal gas during an isothermal process, the gas must perform an equal amount of work to maintain its temperature. Therefore, the work done by the gas, W = -5.0 J. Since ΔU = Q + W, the change in internal energy, ΔU = Q + (-5.0 J) = Q - 5.0 J. Since the internal energy is constant during an isothermal process, the change in internal energy, ΔU = 0 - 5.0 J = -5.0 J. Hence, the answer is zero (0).
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Definition: The energy transferred by a force to a moving object.
Answer:
Force applied
Explanation:
An object will remain at its state of rest unless a non zero for act on it
Examine the words for the question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.
Saturn
Uranus
Jupiter
Mercury.
The relationship among these words/phrases is that they are all planets, while the term that does not fit the pattern is "Uranus."(option b)
Saturn, Uranus, Jupiter, and Mercury are all planets in the solar system. They are all part of the eight planets that orbit the sun, which also includes Earth, Mars, Venus, and Neptune
Although Uranus is also a planet in the solar system, it stands out from the other planets in terms of certain characteristics such as its unique tilted axis.
Unlike the other planets that rotate on a horizontal axis, Uranus rotates on an axis that is tilted at an angle of 98 degrees, making it appear to be rolling along its orbit. Additionally, Uranus is the only planet in the solar system that is named after a Greek god rather than a Roman god.Uranus is often described as an ice giant, while the other three planets in the question (Saturn, Jupiter, and Mercury) are all categorized as gas giants.
This is due to the differences in their compositions. Saturn and Jupiter are primarily made up of gas, while Mercury is mainly composed of metals and rocky substances. Therefore, Uranus is the odd one out in this pattern due to its unique characteristics and composition.
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Question 5 of 10
What happens when a loop of wire turns between two permanent magnets in
a generator?
A. A current flows through the loop of wire.
O B. Electrical energy transforms into mechanical energy.
O C. A current flows through the permanent magnets.
D. Mechanical energy transforms into electromagnetic radiation.
Answer:
B. Electrical energy transforms into mechanical energy.
Explanation:
In the case when the wire loop transforms between the two permanent magnets in a generator so here the electrical energy turns to mechanical energy as there is a working principle behind the generator that the electrical energy would turns into mechanical energy
Therefore as per the given scenario, the option b is correct
And, the rest of the options are wrong
Which is a suggestion for communicating with a seriously ill two year old child?A. Provide maximum physical relief and comfortB. Evaluate for feelings of guiltC. Foster the child’s sense of mastery and controlD. Maintain access to peers in their pre-school setting
The suggestion for communicating with a seriously ill two year old child is A. Provide maximum physical relief and comfort.
What is the communication with a seriously ill two year old child?When a child is sriosly ill, it is very neccessary for the parent as ll as th caregiver to make the move to seek for the best way to relief the child.
However suggestion for communicating with a seriously ill two year old child can be seen in he act of giving out maximum physical relief which coud be from the caregiver as ell as the parent so that th child will be be freed from the sickness.
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when you go out to your car one cold winter morning you discover a 0.80- cm thick layer of ice on the windshield, which has an area of 1.2 m2 . if the temperature of the ice is -7.0 ∘c , and its density is 917 kg/m3 , find the heat required to melt all the ice.
The heat required to melt all the ice is Q = 2204.49 kJ
Mass = Density * Volume and Volume = Area * Width
The area of the ice is 1.2m² and the width is 0.80cm
Then volume of ice = 1.2 m² * 0.008 m = 0.0096 m³
So there is a mass of ice on the windshield
Mass (m) = 917 kg/m³ * 0.0096 m³ = 0.9312kg
The heat that must be reached in order for ice to melt
Q sen is the sensible heat up to melting temperature (T m = 0°C , assuming pressure =1 atm as windshield is exposed to atmosphere)
Let Q lat be the latent heat of melting ice at its melting temperature
1) Q sen = m ice * c ice * ( T final - T initial) = 0.9312 kg * 2.108 kJ / Kg °C ( 0°C - (-7°C)) = 13.74 kJ
2) Q lat = m ice * L ice = (0.9312 kg * 335 kJ/kg ) = 311.952kJ
Thus Q sum = Q sen + Q lat = 13.74 kJ + 311.952 kJ = 325.692 kJ
This is the minimum amount of heat required, since we have not considered heat losses to the surroundings.
The specific heat of ice (c ice) is 2.108KJ/Kg°C and the latent heat of ice and snow (L ice) is 335KJ/Kg
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A ramp is 4 meters tall and has a mechanical advantage of 2.5 what is its length? HELP
We must use the mechanical advantage formula to determine the length of the ramp:
Output force minus Input force equals Mechanical Advantage (MA). In this instance, the input force is the force required to hoist the object in the absence of the ramp, and the output force is the weight of the object being raised up the ramp
How do you determine a ramp's mechanical advantage?By dividing the length of the slope by its height, you may calculate the optimal mechanical advantage of an inclined plane. The ideal mechanical advantage of a ramp, for instance, is 3 metres 1 metre, or 3 metres, if you are loading a truck that is 1 metre high utilising it.
How is the mechanical advantage determined?Basic Machines' Mechanical Advantage and Efficiency Calculated. The IMA is typically calculated as the resistance force (Fr) divided by the effort force (Fe). IMA is also equal to the product of the load's travel distance (d) and the distance over which the effort is applied (de).
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A single-frequency longitudinal sound wave travels through air. Which of the following properties of this wave are unique to longitudinal waves? Select two answers. A The medium oscillates in the direction of propagation. B The wave cannot be polarized. с The wave transfers energy from one place to another. D The frequency of the wave is inversely proportional to its wavelength.
The properties of the single-frequency longitudinal sound wave that are unique to longitudinal waves are:
A) The medium oscillates in the direction of propagation
B) The wave cannot be polarized. Longitudinal waves do not have a polarization
The correct answers are A and B.
What is longitudinal waves ?Longitudinal waves are a type of mechanical wave in which the oscillations of the medium occur in the same direction as the wave propagates. This means that the particles of the medium move parallel to the direction of the wave, rather than perpendicular to it.
Therefore, The correct option are A and B
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36) What is the formula for determining the amount of heat energy needed to change the temperature of an object
The formula for determining the amount of heat energy needed to change the temperature of an object is given by the equation Q = mcΔT, where Q represents the heat energy, m is the mass of the object, c is the specific heat capacity of the material, and ΔT is the change in temperature.
The amount of heat energy needed to change the temperature of an object can be calculated using the formula Q = mcΔT. The variables in the equation have the following meanings: Q represents the heat energy, which is measured in joules (J); m is the mass of the object, typically measured in kilograms (kg); c is the specific heat capacity of the material, which is the amount of heat energy required to raise the temperature of one kilogram of the material by one degree Celsius (J/kg·°C); and ΔT is the change in temperature, measured in degrees Celsius (°C).
The formula states that the heat energy (Q) required is directly proportional to the mass of the object (m), the specific heat capacity (c) of the material, and the change in temperature (ΔT). By multiplying the mass, specific heat capacity, and temperature change, we can calculate the amount of heat energy needed to change the temperature of an object. This formula is applicable to various scenarios where heat transfer and temperature changes are involved, allowing for accurate calculations of heat energy requirements.
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Which of the following best describes the use of a non-renewable resource? Nuclear energy heats water into steam that turns the turbines of a power plant. Water falls through openings in a dam turning turbine blades that generate electricity. Wind turbines gather energy from the wind and convert it into electrical energy. The electronic signs along the highway are run by solar power.
Nuclear energy ... non-renewable. It uses up the Uranium, and then we have to dig more Uranium out of the ground.
Water falling ... renewable kinetic energy, as soon as the sun lifts the water back up into the sky, and then it falls intk the lake again, and runs through the turbines again.
Wind turbines ... renewable kinetic energy, as soon as the sun heats the world unevenly again, and winds blow again.
Electronic signs run by solar power ... the solar power shines down on us, and will continue doing that for a few more billions of years, whether we use it or not. So we don't use up the sun by grabbing some of that energy.
Answer:
I just took the test and its A
Explanation:
Nuclear energy heats water into steam that turns the turbines of a power plant.
Mechanical ptosis of the left and right eyelids is reported with code(s) _______.
A. H02.413
B. H02.411
C. H02.419
D. H02.412
Mechanical ptosis of the left and right eyelids is reported with code(s) H02.413.
Ptosis, also called Blepharoptosis is characterized by the drooping of eyelids due to any abnormality associated with the structures that keep the eyelids elevated.
Ptosis is classified into congenital, aponeurotic, neurogenic, and mechanical ptosis. The illness results in drooping of the upper eyelid due to weight or mass.
It is also caused by many syndromes such as Horner's syndrome and Myasthenia Gravis.
The ICD-10 code is H02.413 which comes under the eye and adnexa category under the WHO. Thus, option A is correct.
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According to Table 35.1, the index of refraction of flint glass is 1.66 and the index of refraction of crown glass is 1.52. (iii) Could it appear dark on both? (a) It must be less than 1.52. (b) It must be between 1.52 and 1.66. (c) It must be greater than 1.66. (d) None of those statements is necessarily true.
According to Table 35.1, the index of refraction of flint glass is 1.66 and the index of refraction of crown glass is 1.52. To determine if an object can appear dark on both types of glass, we need to compare the indices of refraction.
In this case, since the index of refraction of flint glass (1.66) is greater than the index of refraction of crown glass (1.52), light will bend more when passing through flint glass compared to crown glass. This means that an object viewed through flint glass will appear darker than when viewed through crown glass.
Therefore, the correct statement is (c) It must be greater than 1.66. This statement implies that the index of refraction of the material the object is viewed through should be greater than 1.66 in order for it to appear dark on both types of glass.
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Please answer by 8 pm!!! Thank you so much!!
Answer:
c) 3
Explanation:
Answer:
c) 3
Explanation:
through process of elimination we can find the correct row
-Row 1 says blood cells, however the picture includes lungs so we eliminate that option
-Row 2 says absorption for the first image but once again that shouldn't include lungs
-Row 4 is very obvious that it is wrong because coordination has nothing to do with the intestines
which only leaves answer c
why does water come to your mouth when you suck water from a glass using a drinking straw?
a.because you decerase the pressure in straw b.because you add water into the straw
c.because you add air into the straw d.because you increase the pressure in the straw
Answer:
because you increase pressure in the straw
Explanation:
to suck the water up the straw its increasing pressure
what is deltoids muscle?
Answer:
The deltoid muscle is a large triangular shaped muscle associated with the human shoulder girdle, explicitly located in the proximal upper extremity.
Explanation:
The gravitational force between two students sitting beside each other on Earth is
Answer:
Fgrav. = GM1×M2/R2
Explanation:
Gravitational force is mostly related
to planetary bodies by Newton's law of gravitation which states that the gravitional force is proportional to the product of the mass of the object and inversely proportional to the square of the distance between them.
Hence in this case the Gravitational force,
Fgrav. = GM1×M2/R2
M1 and M2 are the mass of the two students and R is their distance apart
G is a constant known as gravitational constant.6.67408 × 10-11 m3/kgs2
What will happen to acceleration of mass spring system if its mass is doubled?
explain mathematically and briefly
Answer:
If the mass is doubled, then acceleration will be halved.
Explanation:
That situation is described by Newton's Second Law of Motion. F is force, m is mass and a is acceleration. The math behind this is quite simple. If you double the force, you double the acceleration, but if you double the mass, you cut the acceleration in half.
According to Newton's Second law of Motion, the acceleration of the mass spring system will be halved if the mass of the spring system is doubled.
What is Newton's Second law of Motion?Newton's second law of motion states that when an external net force is applied on an object, the acceleration of the object is proportional to the net force which is applied on the object, and it also occurs in the same direction as the direction of applied force. The acceleration of an object is inversely proportional to the net force applied and acceleration is inversely proportional to the mass of the object.
This situation can be best described by Newton's Second Law of Motion. The second law of motion can be expressed by the equation:
F = m × a
where, F is force,
m is mass, and
a is acceleration
Mass of an object is inversely proportional to the acceleration of the body. If the mass of the spring system is doubled then the acceleration of the object will be reduced to half.
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Which of the following statements is true of inertia?
(1 Point)
Inertia is a force
Inertia is a force which keeps stationary objects at rest and moving objects in motion at constant velocity.
Inertia is a force which brings all objects to a rest position.
A more massive object has more inertia than a less massive object.
Options A, B & D are true.
We are dealing with the concept of inertia.
From Newton's first law of motion which is referred to as law of inertia, we are told that; An object will remain at rest or continue in constant motion unless it is acted upon by an external force.This means that inertia is the force that keeps an object at rest or in constant motion.
Furthermore, it means that the bigger the object, the more the inertia because a bigger object will require more force to make it move from rest.Looking at the options, the only option that doesn't correspond with definition of Inertia is Option C. Options A, B and D are true based on our explanation above.Read more at; brainly.com/question/13656225
Using Newton’s second law, why do you think a cotton ball may not be used as a baseball in a baseball game.
Answer:
as its mass and velocity will less so its momentum will be less than that of baseball
Here, we are required to justify the reason why a cotton ball may not be used as a baseball in a baseball game.
This is due to the relatively small mass of a cotton ball as this consequently, affects the force on the ball when it's in play. As we know, force is a rate of change of momentum with time.From Newton's laws, Newton's second law of motion to be particular, the rate of change of momentum with time is directly proportional to the force applied on the object.i.e F = (mv - mu)/t.
The law above can also be written as, F = m × a
Where
m = mass,
a = acceleration.
In either case, the mass (i.e quantity of matter present in it) of the cotton ball is relatively small and therefore would not be sufficient to produce the force required during passing during the baseball game.Consequently, the change in
momentum is low and so is
the force.
Ultimately, the cotton ball is not a good fit as a baseball for a baseball game.
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A 1200-kilogram car moving at 12 meters per second collides with a 2300-kilogram car that is
waiting at rest at a traffic light. After the collision, the cars lock together and slide. Eventually,
the combined cars are brought to fest by a force of kinetic friction as the dog tires slide
across the dry level, asphalt road surface.
Calculate the magnitude of the frictional force that brings the locked-together cars to rest. [Show all
work, including the equation and substitution with units.]
23674 N is the amount of magnitude frictional force required to bring the locked-together automobiles to a complete stop.
What does physics mean by magnitude?Magnitude is simply referred to in physics as "distance or quantity." It shows the size or direction that an object moves in either an absolute or relative sense.
A magnitude example is what?A magnitude can be defined as a quantity's size in simple terms. For instance, the Richter scale's measurement of an earthquake's magnitude, which identifies the earthquake's size, typically ranges from 1 to 10. An earthquake with an 8-magnitude is far more problematic than one with a 3-magnitude.
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What is the electron emission produced when light is shone on a substance
Answer:
Biotron
Explanation:
Answer:
in this generation are electron emission is the alpha,gamma,beta rays attractive to gether
The same process that explains why astronomers see less helium in the upper atmosphere of Saturn when they take spectra also explains
Given what we know, we can confirm that less helium is present in the upper atmosphere of Saturn due to Helium precipitation.
What is helium precipitation?On Saturn, helium is able to remain in liquid form, due to many internal and external factors of the planet, this means that helium can form precipitation and rain back down onto the planet. For this reason, it does not stay in the atmosphere for long. This process also produces Saturn's internal energy by releasing gravitational energy in the process.
Therefore, we can confirm that less helium is present in the upper atmosphere of Saturn due to Helium precipitation.
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PLEASE HELPP
Select the correct answer.
Which item is made from a synthetic material?
cotton pants
leather jacket
tissue paper
wicker basket
Answer:
Tissue paper
Explanation:
Tissue paper is made from a synthetic material
the hydrometer with the density of liquid to be 800 kg metre per square is the volume of the submerged part of the hydrometer is 5 into 10 to the power minus 5 calculate the mass of the hydrometer
Answer:
Mass = 0.04 Kg
Explanation:
Given the following data;
Density = 800 kg/m³
Volume = 5 * 10^{-5} m³
To find the mass of the object;
Density can be defined as mass all over the volume of an object.
Simply stated, density is mass per unit volume of an object.
Mathematically, density is given by the formula;
\( Density = \frac {mass}{volume} \)
Making mass the subject of formula, we have;
\( Mass = density * volume \)
Substituting the values into the formula, we have;
\( Mass = 800 * 5 * 10^{-5} \)
Mass = 0.04 Kg
19. when the wave speed increases, will the wavelength need to increase, decrease or stay the same to get the same standing wave pattern (such as the one with 3 antinodes)?
When the wave speed increases the wave stay the same to get the same standing wave pattern
Standing wave are the combination of two waves moving in opposite directions . Amplitude of both the waves is same and frequency is also same . The phenomenon is the result of interference
Wavelength and frequency are inversely related to each other .
frequency = c / wavelength
so if one get change then the other changes. As one get decrease other will increase and vise versa. . The speed of the wave depends on the medium. Change in the frequency of the wave changes its form to go into the next harmonic so the wavelength changes .Also in order to maintain the wave pattern the wavelength remain same
Hence , speed of wave will not affect the wavelength of wave.
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Inside a 138 mm x 346 mm rectangular duct, air at 17 N/s, 20 deg
C, and 112 kPa flows. Solve for the volume flux if R = 28.5 m/K.
Express your answer in 3 decimal places.
The volume flux inside the rectangular duct is 0.028 m³/s.
Volume flux, also known as volumetric flow rate, is a measure of the volume of fluid passing through a given area per unit time. It is commonly expressed in cubic meters per second (m³/s). To calculate the volume flux in the given scenario, we can use the formula:
Volume Flux = (Air flow rate) / (Cross-sectional area)
First, we need to calculate the cross-sectional area of the rectangular duct. The area can be determined by multiplying the length and width of the duct:
Area = (138 mm) * (346 mm)
To maintain consistent units, we convert the dimensions to meters:
Area = (138 mm * 10⁻³ m/mm) * (346 mm * 10⁻³ m/mm)
Next, we can calculate the air flow rate using the given information. The air flow rate is given as 17 N/s, which represents the mass flow rate. We can convert the mass flow rate to volume flow rate using the ideal gas law:
Volume Flow Rate = (Mass Flow Rate) / (Density)
The density of air can be determined using the ideal gas law:
Density = (Pressure) / (Gas constant * Temperature)
where the gas constant (R) is given as 28.5 m/K, the pressure is 112 kPa, and the temperature is 20 degrees Celsius.
With the density calculated, we can now determine the volume flow rate. Finally, we can divide the volume flow rate by the cross-sectional area to obtain the volume flux.
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Apply Newton's first law to music playing on the radio.
Answer: Find the answer in the explanation
Explanation:
The music playing on the radio will be heard through the sound waves coming from the radio.
The travelling wave will obey Newton's first law of motion which state that:
An object or particle will remain at rest or continue its linear motion in a straight line except an external force is applied.
The external force through wind could affect the travelling of the sound waves. Since the wave is longitudinal wave. That is, it needs a medium (air) for its propagation.
When two vehicles collide, momentum is conserved _______.a)if the collision is elasticb)only if deformation of either vehicle does not occur.c)if the collision is inelastic.d)whether the collision is elastic or inelastic.
When two vehicles collide, momentum is conserved whether the collision is elastic or inelastic. Option D is correct.
Momentum conservation is a fundamental principle of physics that states that the total momentum of a system is conserved if no external forces are acting on the system. In other words, the total momentum of a system before a collision is equal to the total momentum of the system after the collision.
This applies regardless of whether the collision is elastic or inelastic. In an elastic collision, both kinetic energy and momentum are conserved. In an inelastic collision, some kinetic energy is transformed into internal energy, causing the objects to deform or stick together, but the total momentum is still conserved.
Hence option D is correct.
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