Plato wanted to get rid of four things in society - ignorance, poverty, disease, and injustice.
Plato was a Greek philosopher who lived between 427-347 BCE. He was a student of Socrates and a teacher of Aristotle. He is considered one of the most important figures in Western philosophy. Plato's philosophy is centered around his ideal Republic, which he describes in his book "The Republic".
In "The Republic", Plato argues that the ideal society must get rid of four things in order to be just and harmonious. The first is ignorance. Plato believed that ignorance was the root of all evil and that people needed to be educated in order to live virtuous lives. He argued that education should be provided to everyone, regardless of social class, and that it should focus on the development of virtue and wisdom.
The second thing that Plato wanted to get rid of was poverty. He believed that poverty was a major source of social unrest and that it prevented people from living good lives. He argued that the state should take care of its citizens by providing them with the basic necessities of life, such as food, clothing, and shelter.
The third thing that Plato wanted to get rid of was disease. He believed that physical health was essential to living a good life and that the state should take steps to prevent and cure diseases. He believed that the state should provide access to medical care and that it should invest in public health initiatives.
Finally, Plato wanted to get rid of injustice. He believed that justice was the cornerstone of a just society and that it should be upheld at all times. He argued that the state should have a system of laws that was fair and impartial, and that it should ensure that everyone was treated equally. He believed that the state should punish those who committed crimes and that it should ensure that everyone had access to the same opportunities in life.
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Which of the following are state functions? Select ALL that apply. The temperature of an ice cube. The internal energy of a system. The distance from the front of the PHSC building to AYRS 120. The current balance in your bank account. The volume of an aerosol can.
State functions, also known as state variables, are properties of a thermodynamic system that depend only on the current state of the system, and not on the path taken to reach that state. They are commonly used to describe and predict changes in the energy, temperature, pressure, and volume of a system.
State functions are properties of a system that depend only on its current state, not on the path taken to reach that state. The following are state functions:
The internal energy of a system
The volume of an aerosol can.
The following are not state functions:
The temperature of an ice cube (temperature is a state function, but the temperature of a specific object like an ice cube is not, as it depends on the path taken to reach that temperature)
The distance from the front of the PHSC building to AYRS 120 (distance is not a state function, as it depends on the path taken to reach that point)
The current balance in your bank account (this is not a thermodynamic property and therefore not a state function)
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one function of a cell wall
Answer:
The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. It also allows cells to develop turgor pressure, which is the pressure of the cell contents against the cell wall.
If you have 200 lbs of coal in your shed and you burn 1 lb a day, how long will it last? O 200 daysO forever O 20 days
If you have 200 lbs of coal in your shed and you burn 1 lb a day, it will need 200 days for last.
About CoalCoal is a sedimentary rock formed from the remains of organic and combustible deposits. There are a number of benefits of coal in everyday life.
Based on research by geologists, coal was formed around 340 million years ago. Coal itself comes from the remains of plants that have decayed hundreds of millions of years ago.
It takes a very long time for coal to form again. Therefore, coal is a type of non-renewable natural resource that makes it relatively expensive.
The main benefit or use of coal is as fuel. The heat produced by coal is very high and can be converted into other energy. Therefore, coal is often used in life.
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how to get real and imaginary parts of permittivity from refractive index and extinction coefficients
The refractive index and the extinction coefficient of a material can be used to calculate its complex permittivity, which is a measure of the material's ability to store electric energy.
It is defined as the ratio of the electric flux density (D) to the electric field strength (E) in a vacuum and has units of farads per meter (F/m). In a material, the electric field is partially screened by the material's electrons, leading to a reduction in the effective electric field. The complex permittivity is given by the following equation:
ε = ε' - jε'' = n^2 - jk,
where ε' is the real part of the permittivity, ε'' is the imaginary part of the permittivity, n is the refractive index, and k is the extinction coefficient.
So, to obtain the real and imaginary parts of the permittivity, one can simply use:
ε' = n^2
ε'' = k
where n and k are the known refractive index and extinction coefficient, respectively.
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What is the kelvin temperature at absolute zero?
Absolutely zero (0 K) mostly on Kelvin scale seems to be the temperatures at which the gas's volume is zero. the lowest temperature on any scale. So, -273.15 oC is the Kelvin scale's zero.
How does kelvin work?Since these measurements do not begin at zero, a movement in Celsius or Degrees fahrenheit is not intrinsically linked to angular momentum or volume. Also because Kelvin scale is a temperature t scale that correlates perfectly with kinetic energy and volume, scientists utilize it.
The Kelvin scale is it in Celsius?The Celsius scale and the Kelvin scale are connected. Since there is a 100 degree difference in between water's freezing and boiling temperatures of water, the kelvin scale is equivalent to that of the Celsius scale.
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what are four methods of acquiring knowledge
The four methods of acquiring knowledge are observation, experience, reasoning, and education.
Observation involves gathering information through the senses and paying attention to what is happening in the environment. Experience involves learning through personal encounters, such as practical work or life events. Reasoning involves using logic and critical thinking to draw conclusions and make decisions.
Education involves acquiring knowledge through formal instruction and learning, such as in a school setting or through reading and studying. All four methods are important and can be used in combination to acquire a deep and well-rounded understanding of a subject.
Observation and experience provide hands-on and practical knowledge, while reasoning and education provide theoretical and abstract knowledge. By using a combination of these methods, individuals can broaden their understanding and knowledge of the world around them.
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why a loaded bus is more comfortable than an empty bus
A loaded bus is more comfortable than an empty bus due to the lower center of gravity of the loaded bus, also a loaded bus has more inertia.
Comfort refers to the stability or the minimum rate of change of acceleration. A loaded bus has a lower center of gravity. So it has a minimum chance of overturning. On the other hand, an empty bus having a higher center of gravity is more susceptible to overturning.
A loaded bus has more inertia than the empty bus does. For the same force acting on both the buses, loaded bus will experience smaller accelerations. The loaded bus experiences almost zero sideways acceleration or vertical acceleration, and the forward & backward acceleration is also much smoother and better - controlled.
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A 0. 1014 g sample of a purified cho compound was burned in a combustion apparatus and produced 0. 1486 g co2 and 0. 0609 g of h2o. What is the empirical formula of this cho compound?.
The empirical formula of this CHO compound is C₅HO₆
The empirical formula is a formula for a compound that specifies the proportions of each element present, but it does not provide the overall number of atoms in the complex. The compound's lowest ratio between its constituent elements can be found there. To determine the precise number of atoms or the molecular formula of the compounds, we use the molar mass of the molecule.
The chemical equation below represents the burning of carbon and hydrogen in hydrocarbons:
CₓHₐOₙ ⇒CO₂ +H₂O
First, we divide each element's mass by its atomic mass to determine its mass;
Mass C= 12/44 x 0. 1486 g = 0.0405 g
Mass H = 2/18 x 0. 0609 g = 0.0067 g
Mass O = 0.1014 - 0.0405 - 0.0067 = 0.0542 g
Using molar masses we can calculate the moles:
0.0405 g / 12.0 g/mol = 0.003375moles C
0.0067 g / 1.01 g/mol = 0.00067 moles H
0.0542 g / 16.0 g/mol = 0.003387 moles O
0.00067 is lesser, so use it to normalize to find the ratio.
The ratios are:
0.003375 moles C / 0.00067 = 5
0.00067 moles H / 0.00067 = 1
0.003387 O / 0.00067= 6 mole O
C:H:O
5:1:6
soh the empirical formula will be C₅HO₆
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the thermometer reads the outside temperature at 70.0 °f. what is this temperature in °c?
If the thermometer reads the outside temperature at 70.0 °f, then it is 21.11 Celsius.
The degree of hotness or coldness of an object can be termed as Temperature. THERMOMETER are the instruments used to measure it . There are different units of measuring temperature which are interconvertible. The units are Fahrenheit (°F), Celsius (°C), Kelvin (K) etc.
In this question, the thermometer reads 70°F. To convert this temperature reading to °C, we use the formula:
°C] = ([°F] − 32) × 5/9
Hence,
[°C] = (70− 32) × 5/9
[°C] = (38) × 5/9
[°C] = 190/9
= 21.1 °c
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calculate the weight of the rover curiosity on mars (wm) if it weighs 900 n on earth (we). assume that the acceleration due to gravity on earth (ge) is 9.81 m/s2 and the acceleration due to gravity on mars (gm) is 3.7 m/s2.
The weight of the rover curiosity on mars is: 339.43 N
What is gravity?In physics, gravity is the force of attraction that the earth exerts on all bodies possessing mass by pulling them toward its center.
To solve this exercise, the formula and procedure to be applied is:
W = m * g
Where:
W = weightm = massg = gravityInformation about the problem:
m = ?W(earth)= 900 Ng(earth)= 9.81 m/s2g(mars)= 3.7 m/s2W(mars)=?1 N = kg * m/s²Applying the weight formula, and clearing the mass we get:
m =W/g
m= 900 N /9.81 m/s
m = 91.74 kg
Applying the weight formula, we get:
W(mars) = 91.74 kg * 3.7 m/s2
W = 339.43 N
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an electromagnet's coil has 50 loops. what will happen to the strength of the electromagnet if another 50 loops are added?
We can conclude that the electromagnet's strength is inversely correlated with the coil's number of turns. The electromagnet's strength doubles when the number of turns is doubled, every coil of wire increases the "magnetic flux density" of your magnet.
What is energy ?
Energy is a quality of matter and radiation that is the capacity to perform work. It can appear in a variety of forms, such as thermal energy, light energy, mechanical energy, electrical energy, and chemical energy. According to the law of conservation of energy, energy can be changed from one form to another but cannot be produced or destroyed.
Numerous natural processes and activities, such as photosynthesis in plants, the flow of ocean currents, and the production of electricity in power plants, depend on energy. Energy is frequently referred to as a scalar quantity in physics and is typically measured in units of joules (J) or electron volts (eV).
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now if you run the heat by standing on its side (it will be 1.0 m high and 0.7 m long), determine the surface temperature.
The surface temperature of an object that is exposed to the sun's heat depends on several factors such as the object's material, its reflectivity, its color, and the angle at which it is facing the sun.
define temperature ?
Temperature is a measure of the average thermal energy of the particles in a substance or system. It represents the level of heat energy in a system, and is used to describe the hotness or coldness of an object relative to a standard. The temperature of a substance is a scalar quantity, and is typically measured in units such as degrees Celsius (°C), Kelvin (K), or Fahrenheit (°F).
The surface temperature of an object that is exposed to the sun's heat depends on several factors such as the object's material, its reflectivity, its color, and the angle at which it is facing the sun. Without more information on the specific object you are referring to, it is not possible to determine the surface temperature.
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a dc motor draws a current of 50 a at 230 v, and 1200 w of power is dissipated as heat by the motor. how much power is left for mechanical work?
The required amount of power left for mechanical work by the DC motor is calculated to be 10300 w.
The current drawn by the motor = 50 A
Voltage of the DC motor = 230 v
Power dissipated as heat = 1200 w
The formula to calculate power dissipated by the motor;
P = V I
where, P is power
V is voltage
I is current
So, putting the known values into the above equation, we have,
P = V I = 230 × 50 = 11500 w
As some amount of power is dissipated as heat, the power left for mechanical work is;
⇒ 11500 - 1200 = 10300 w
Thus, the required amount of power is 10300 w.
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A researcher adds H20 to a graduate cylinder to the 30.0 mL mark. After measuring a mass of an object to be 48.40 grams, the object is immersed and the new water level is at the 38.5 mL mark. Find the density and specific gravity of the object
Answer:
Explanation:
Density = m/v
= 48.4/8.5
= 5.69411 gm/cm^3
Specific gravity = Density of object/ Denstity of water at 4'C
= 5.69411
The density of the object is 57142 g/L and its specific gravity is 57142
To find the density of the object, we need to calculate its volume. We can use the displacement method to determine the volume of the object. The volume of the object is equal to the difference in water level before and after immersion, which is 38.5 mL - 30.0 mL = 8.5 mL. We can convert this volume to cm^3 by multiplying by 10^-3.
The density of the object is given by the formula:
density = mass/volume
where the mass of the object is 48.40 grams.
Plugging in the values,
density = 48.40 g / (8.5 x 10^-3 L) = 57142 g/L
The specific gravity of the object is defined as its density relative to the density of water, which is 1000 kg/m^3 or 1 g/mL. The specific gravity of the object can be calculated as follows:
specific gravity = density of object/density of water
specific gravity = 57142 g/L / 1 g/mL = 57142
So, the density of the object is 57142 g/L and its specific gravity is 57142.
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explain how you could use three single-use scales to tell which one of eight identical-looking stones is slightly heavier than the others
To determine which of eight balanced identical-looking stones is slightly heavier than the others using three single-use scales, you can follow these steps:
Divide the stones into two groups of four.
Place one group of four stones on one side of the scale and another group of four stones on the other side.If the scale is balanced, it means that the heavier stone is not in either of these groups.Take one of the groups and divide it into two groups of two.Use the second scale to weigh one group of two stones against the other group of two stones.If the scale is balanced, the heavier stone is in the group that was not weighed.If the scale is not balanced, use the third and final scale to weigh the two stones that were not balanced in step 6.The heavier stone will be the one that weighs more on the third scale.By following these steps, you can determine which of the eight identical-looking stones is slightly heavier than the others using only three single-use scales.
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The complete Question is:
How to determine which of eight identical-looking stones is slightly heavier than the others using three single-use scales?
2. A solid disk with a mass of 0.165 kg and a radius of 0.215 m that is spinning at 35 rad/s counterclockwise can be stopped by a hand in 0.15 sec. What is the average torque exerted on the disk by the hand? (Hint: first use kinematics, then use Newton's second law)
The average torque exerted on the disk by the hand is -5.49 Nm.
What is torque?
Torque can be defined as a force exerted at a distance from the axis of rotation.
To find the average torque exerted on the disk, we need to calculate the angular acceleration and then use the equation for torque:
Torque = I * alpha, where I is the moment of inertia and alpha is the angular acceleration.
First, let's find the angular acceleration:
Initial angular velocity = 35 rad/s
Final angular velocity = 0 rad/s
Time = 0.15 s
Using the kinematic equation for angular acceleration:
alpha = (Final angular velocity - Initial angular velocity) / Time
alpha = (0 - 35) / 0.15
alpha = -233.33 rad/s^2
Next, let's find the moment of inertia of the solid disk:
I = (1/2) * m * r^2
I = (1/2) * 0.165 kg * (0.215 m)^2
I = 0.0234 kg m^2
Finally, let's find the average torque:
Torque = I * alpha
Torque = 0.0234 kg m^2 * -233.33 rad/s^2
Torque = -5.49 Nm
Therefore, The average torque exerted on the disk by the hand is -5.49 Nm.
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Two forces F1and F2act on the screw eye. If their lines of action are at an angle θapart and the magnitude of each force is F1=F2=F. Determine the magnitude of the resultant force FRand the angle between FRand F1.Parallelogram Law Of Vector Addition:If two vectorsF1and F2are acting at angle θbetween them , the resultant of these two vectors is given asR=√F21+F22+2F1F2cosθ
The resultant between two vectors will be given by the formula, R= √(2(F^2) + 2(F^2)cosθ)
In order to solve the equation for resultant between the two vectors F1 and F2 at an angle of θ, the following steps have to be followed:
The diagram for this problem is attached below
It is given in the problem that the magnitudes of forces F1 and F2 are equal,
F1= F2= F
In order to find the resultant force, the Parallelogram Law of Vector Addition comes into play.
This law states that if two vectors have the same initial point, and are dawn into a parallelogram, the summation of the two vectors will be the directed diagonal that starts at the initial point of the vectors.
Therefore, R= √(F1^2 + F2^2 + 2F1F2cosθ)
Now, since F1= F2= F,
R= √(F^2 + F^2 + 2(F^2)cosθ)
R= √(2(F^2) + 2(F^2)cosθ)
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if two objects have an inelastic collision and one is initially at rest, is it possible for both of them to be at rest after the smash up? is it possible for only one of them to be at rest? how come?
No. After the collision, it is impossible for them to be at peace.
When two or more objects come into contact with one another and experience temporary force on one another, this is called a collision. Elastic and inelastic are the two categories under which it falls.
This kind of collision, in which some energy is lost, is known as an inelastic collision.
However, kinetic energy is not conserved in an inelastic collision even though momentum is. In everyday life, inelastic collisions predominate.
It is known as a perfectly inelastic collision when an inelastic collision meets all the requirements. In this instance, two objects collide and stick together, moving as one.
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using the symmetry of the arrangement, determine the direction of the force on q in the figure below, given that: case i. qa = qb = 7.5 μc and qc = qd = 7.5 μc.
To determine the direction of the force on +q in the figure, given that Case I qa = qb = 7.5 μC and qc = qd = 7.5 μC, you need to:
(a) Draw the forces on q due to qa, qb, qc and qd in your notebook
(b) Use symmetry to find the direction of the net force
Hint: for each force, draw the x and y components.
The process involves two steps: (a) drawing the forces on q due to charges qa, qb, qc and qd in your notebook and (b) using symmetry to find the direction of the net force. For each force, you need to draw the x and y components to help you visualize the net force.
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why does the near point of accommodation increase with age
Answer: The increase is due to natural growth of the lens.
Explanation:
A small block has constant acceleration as it slides down a frictionless incline. The block is released from rest at the top of the incline, and its speed after it has traveled 6.80 m to the bottom of the incline is 3.80 m/s. What is the speed of the block when it is 3.40 m from the top of the incline?
The speed of the block when it is 3.40 m from the top of the incline is 3.14 m/s.
We can use the equation of motion for an object with constant acceleration to solve for its velocity at a given position.
v = v0 + at, where
v = final velocity
v0 = initial velocity (0 m/s since the block was released from rest)
a = acceleration
t = time elapsed
The time elapsed can be found by using the position equation:
[tex]x = x_0 + v_0t + \frac{1}{2}at^2[/tex]
where
x = position
x0 = initial position (0 m since the block was released from rest)
We can rearrange this equation to solve for t:
[tex]t = \sqrt{2x/a}[/tex], where
x = position
Substituting this expression for t into the velocity equation, we have:
[tex]v = v_0 + a \sqrt{\frac{2x}{a}}[/tex]
[tex]v = \sqrt{2ax}[/tex]
Substituting the known values for x (3.40 m) and a (calculated from the final velocity and position), we have:
[tex]a = (v^2 - v_0^2) / 2x\\ a = (3.80 m/s)^2 / 2 * 6.80 m\\ a = 2.24 m/s^2[/tex]
Finally, we can use this value for a to find the velocity of the block at the desired position (3.40 m from the top of the incline):
[tex]v = \sqrt{2ax}\\v = \sqrt{2 * 2.24 m/s^2 * 3.40 m} \\ v = 3.14 m/s[/tex]
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How do you find the internal shear force of a beam?
Inferring an internal shear force, VA = -5 kips (downward) or 5 kips from the equation in vertical equilibrium, Fy = -5 - VA = 0, (upward). MA = -5(2.5) - MA = 0, according to the moment equilibrium equation.
What does a moment n physics mean simply?An item can be turned by a force or combination of forces. A moment seems to be the result of a force turning. Moments move in such a clockwise or counterclockwise direction around a point. The pivot, often referred to as the fulcrum, is typically chosen as the chosen point, though any point here on object could be picked.
What does a moment look like in physics?When a force does not have an equal and opposing force acting immediately across its path of action, a moment results. Consider two individuals attempting to open a door there at doorknob from opposing sides. There is an equilibrium state if they are both pushing with the same amount of force.
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Select the two that apply.
Granite
Quartz
Charcoal
Amber
Seawater
Synthetic diamonds
Gold nugget
From given names Quartz and Gold nugget is the mineral.
Minerals are the basic building blocks of rocks and are extremely important to humans economically and commercially. Geologists therefore require a set of qualities to distinguish between what constitutes a mineral and what constitutes a man-made object (such as plastic, for example). Inorganic, solid, naturally occurring, made of an ordered crystalline structure, and capable of being described by a chemical formula are the requirements that identify matter as a mineral.
One of the most well-liked and well-known minerals, gold has long been valued for its worth and unique qualities. The majority of the naturally occurring gold specimens discovered since ancient times have been smelted for use in manufacturing.
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the cedula personal was optional during the spanish period
The cédula personal was optional during the Spanish period.
The cédula personal was a document used during the Spanish colonial period in the Philippines to keep track of the population and to collect taxes. It was a personal identification document that contained the holder's name, occupation, and tax status.
However, the requirement for a cédula personal was not strictly enforced during the Spanish period. While the Spanish government encouraged people to obtain one, it was not a mandatory requirement, and many people lived and worked without one.
This lack of strict enforcement was due to a number of factors, including limited resources for collecting taxes, the large size of the Philippines, and the limited number of government officials available to enforce the regulations.
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Complete Question:
Is the cedula personal was optional during the spanish period?
A constant force of 4. 5 n acts on a 7. 2-kg object for 10. 0 s. What is the change in the object's velocity?.
The change in the object's velocity is: 6.25 m/s
What is force?It is the physical magnitude that expresses the effort necessary to move the mass of one kilogram with an acceleration of one meter per second squared, this is expressed in units of the international system in Newton.
To solve this exercise, the formulas and procedures to be applied are:
F = m * avf = vi + (a* t)Where:
m = massF = Forcea = accelerationvf = final velocityvi = initial velocityt = timeInformation about the problem:
m = 7.2 kgF= 4.5 n1 N = kg * m/s²t= 10.0 svi= 0 m/sa= ?vf=?Applying the force formula and isolating the acceleration, we get:
a= F/m
a= 4.5 n /7.2 kg
a=0.625 m/s²
Applying the final velocity formula, we have:
vf = 0 m/s + (0.625 m/s²* 10.0 s)
vf = 0 m/s + 6.25 m/s
vf = 6.25 m/s
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The initial activity of Au-198 is 15 mCi; what is the activity in 20 days if its half-value layer is 2.5?
A.0.2556 mCi
B.0.09036 mCi
C.2.8931 mCi
D. 2.490 mCi
Option B; Half-life is a fundamental concept in radioactive decay. It is defined as the time it takes for half of the initial number of radioactive atoms to decay.
For a given radioactive isotope with a half-life of T, the fraction of the initial number of radioactive atoms that remain after a time t can be calculated using the equation:
fraction remaining =[tex](1/2)^(t / T)[/tex]
where t is the time elapsed.
In the case of Au-198 with a half-life of 2.5 days, the fraction of the initial activity that remains after 20 days can be calculated as:
fraction remaining =[tex](1/2)^(20 / 2.5) = (1/2)^8 = 1/256[/tex]
So, only 1/256th of the initial activity remains after 20 days.
The remaining activity after 20 days can then be calculated by multiplying the fraction remaining by the initial activity:
activity = fraction remaining * initial activity =[tex](1/256) * 15 mCi = 0.0586 mCi[/tex]
So, the answer is[tex]0.0586 mCi[/tex], which is closest to option B: [tex]0.09036 mCi[/tex].
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calculate the kinetic energy (in ev) of a nonrelativistic neutron that has a de broglie wavelength of 9.9 × 10−12 m. (h = 6.626 × 10−34 j • s, mneutron = 1.675 × 10−27 kg, 1 ev = 1.60 × 10−19 j)
The Kinetic energy of the nonrelativistic neutron which has a De Broglie wavelength of [tex]9.9 * 10^{-12}[/tex] m is [tex]8.375 * 10^{4}[/tex] Eu.
A moving item or particle might have power of a certain type called kinetic energy. An item gains kinetic energy when work, which involves the transfer of energy, is done on it by exerting a net force. A moving item or particle's mass and motion speed determine its kinetic energy.
The energy an object has as a result of motion is referred to as kinetic energy. It is defined as the effort needed to move a body of a particular mass from rest to the desired velocity. Unless its speed changes, the body retains the kinetic energy it gained during acceleration.
[tex]lambda D=9.9[10^{-12} ]\\h=6,626[10^{-34} ]\\m= 1.675[10^{-27} \\KE= \frac{h^{2} }{2m[lambda D^{2} } ]\\=13.4[10^{-15} ] joule\\KE = 8.375[10^{4} ]eu[/tex]
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describe the relationship between the wavelength and the frequency of a wave.
The relationship between wavelength and frequency of a wave is well established in physics and is described in the provided search results. According to the frequency of a wave multiplied by its wavelength gives the speed of the wave. In 2, the relationship is described using the equation frequency x wavelength = speed of light, where frequency (v) and wavelength (λ) are related to the speed of light (c).
The relationship between frequency and wavelength is also described in 3, where the wave speed is equal to the product of its frequency and wavelength. This is expressed as v = f * λ, where v is the wave speed, f is the frequency, and λ is the wavelength. In summary, the wavelength and frequency of a wave are directly proportional to each other, and the product of their values gives the speed of the wave.
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how to calculate smallest and largest gas volumes
To calculate the volume of a gas, apply the Ideal Gas Law: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature. To calculate the smallest and largest volumes of a gas, first determine its pressure, temperature, number of moles, and ideal gas constant. Then, using the Ideal Gas Law, you can change the pressure and temperature and calculate the volume.
What is volume?A volume measurement is a three-dimensional spatial measurement. It is typically quantified statistically using SI-derived units or other imperial or US customary units. The definition of volume is connected to the concept of length. The space filled by an item within the limitations of three-dimensional space is defined as volume. It is sometimes referred to as the object's capacity.
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a train sounds a whistle of constant frequency as it leaves the train station. compared to the sound emitted by the whistle, the sound that the passengers standing on the platform hear has a frequency that is
Because the sound-wave fronts arrive at the platform at a frequency lower than the frequency at which they are produced, the sound that the passengers standing on the platform hear has a frequency that is lower.
What is a sound wave ?
When energy moves through a medium and propagates away from the sound source, it creates a pattern of disruption known as a sound wave. Pressure waves are produced when an object vibrates, such as a ringing phone, and these waves are known as sound waves.
Doppler effect states that as the train is moving farther away, those on the platform would hear a sound with a lower frequency if it were to leave the station.
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