identify and describe the steps that a radio station uses to broadcast sounds to your radio receiver
Answers
Sound is captured by a microphone. The sound is converted into an electrical signal. The electrical signal is amplified. The amplified signal is modulated onto a carrier wave.
To broadcast sounds to a radio receiver, a radio station follows a series of steps. First, the sound is captured by a microphone, which converts it into an electrical signal. This signal is then amplified to increase its strength. Next, the amplified signal is modulated onto a carrier wave, combining the audio information with a higher-frequency wave suitable for transmission. The modulated carrier wave is transmitted through an antenna, which radiates the signal into the air as electromagnetic waves. The radio receiver's antenna picks up these waves and sends them to the receiver circuitry. The received signal is demodulated to separate the audio signal from the carrier wave. Finally, the audio signal is amplified and sent to the speaker, allowing the listener to hear the broadcasted sounds.
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Related Questions
Two capacitors are connected in series.1) If a third capacitor is now connected in series with the original two, does the equivalent capacitance increase, decrease, or remain the same?A) IncreaseB) DecreaseC) Remain the same
Answers
The correct option is B. If a third capacitor is connected in series with the original two, the equivalent capacitance will decrease.
A capacitor is an electrical component used in circuits to store and release electrical energy. It consists of two conducting plates separated by a non-conductive material, known as a dielectric. When a voltage is applied to the capacitor, it charges up and stores electrical energy in the electric field between the plates. The amount of energy that can be stored by a capacitor is determined by its capacitance, which is measured in Farads.
Capacitors are commonly used in electronic circuits to filter out unwanted signals or to smooth out fluctuations in power supply voltages. They can also be used to store energy in applications such as flash photography, where a high voltage is needed for a short duration.
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One one-thousandth is expressed by which prefix?
Answers
Answer:
With the prefix milli
Explanation:
Making rough estimates of physical quantities is usefulA. So that you can see if the answer to a problem makes physical sense.B. Because we only use approximate numbers in problems.C. Because the laws we use are not exact, so using exact numbers is not crucial.D.So that you can compute answers doing simpler math.
Answers
Answer:
A. So that you can see if the answer to a problem makes physical sense.
Explanation:
Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.
An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).
This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.
Measurements refers to the process which typically involves the process of identifying and determining the dimensions of a physical object. The dimensions include important parameters such as width, height, length, area, volume, circumference etc.
In Science, making rough estimates of physical quantities is useful so that you can see if the answer to a problem makes physical sense.
For example, you could make a rough estimate of a storage tank and deductively determine whether or not it's in tandem with its physical size in reality.
A 6.2 kg bowling ball that weighs 60.76N is accelerating at 1.8m/s^2. After 2 seconds, it reaches a speed of 3.6m/s. What is it's momentum at this point?
Answers
Answer:
1.7
Explanation:
because of the bowling
22.3 kg•m/s is the answer.
What is the smallest, most basic level of organization in an animal or
plant?
Answers
Answer:
hhmmmmmhmmmm hmhmmmm hmmm yeah i got nothing
Explanation:
A man is pushing a heavy crate up an inclined plane into the back of semi trailer.What can the man do to make it easier to get the crate up the ramp
Answers
Answer:
B) Make the ramp longer
Explanation:
A machine is a device that makes work more easier and faster. A machine also saves time.
A ramp is a simple machine that is used to lift heavy object with a force that is lesser than the actually force needed. A ramp is in the shape of an inclined plane, which makes pushing an object easier than the required force needed.
The formula for a ramp is given by:
Force needed to push * length of the ramp = weight of object * height of ramp.
Force needed to push = (weight of object * height of ramp) / length of ramp
We can see that the force needed is inversely proportional to the ramp length. Hence for a ramp with longer length you need lesser force to raise the object.
The small piston of a hydraulic lift has an area of 0.95 m2. A car weighing 13,622 N sits on a rack mounted on the large piston. The large piston has an area of 4.03 m2. How large a force must be applied to the small piston to support the car
Answers
A force of approximately 3123.33 Newtons must be applied to the small piston to support the car on the hydraulic lift.
To calculate the force required to support the car on the hydraulic lift, use Pascal's law, which states that the pressure applied to an enclosed fluid is transmitted equally in all directions.
The formula to calculate the force exerted on a piston is:
Force = Pressure x Area
Given:
Area of the small piston (A1) = 0.95 m^2
Area of the large piston (A2) = 4.03 m^2
Weight of the car (W) = 13,622 N
First, let's calculate the pressure exerted by the car on the large piston:
Pressure = Force / Area
Pressure = Weight of the car / Area of the large piston
Pressure = 13,622 N / 4.03 m^2
Now, using Pascal's law, we know that the pressure is transmitted equally to the small piston:
Pressure on the small piston = Pressure on the large piston
Let's substitute the values into the equation:
Force on the small piston = Pressure on the small piston x Area of the small piston
Force on the small piston = Pressure on the large piston x Area of the small piston
Force on the small piston = (13,622 N / 4.03 m^2) x 0.95 m^2
Force on the small piston ≈ 3123.33 N
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Draw the magnetic field lines around a straight current carrying conductor
Answers
Answer:
Explanation:
Answer:
Do action and reaction pairs of forces balance one another ?
Which force is greater strength either gravitational force or electromagnetic force ?
A vector of magnitude 5 units is inclined, at an angle of 35° to the X - axis and another vector of magnitude 10 units is inclined at 55° to the X - axis. What is the magnitude of the sum of the vector components (i) along the x - axis, (ii) along the y - axis ? (10 - marks)
light trucks have a high center of gravity which increases their susceptibility to_______.
Answers
The answer is that light trucks have a high center of gravity which increases their susceptibility to rollovers.
A high center of gravity means that the mass of the vehicle is concentrated higher above the ground. This causes the vehicle to be less stable during turns or abrupt maneuvers, making it more prone to tipping over or rolling. In the case of light trucks, their design and construction lead to this high center of gravity, which ultimately increases their risk of experiencing rollovers compared to other vehicles with a lower center of gravity. It is essential for drivers of light trucks to be aware of this risk and drive cautiously, especially during turns or on uneven surfaces, to minimize the chances of a rollover accident.
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Gretchen is proposing to present the sales from her lemonade stand as a pie chart, tracking how much she sells each day to track the overall trend. Explain why this plan won’t work and what she could use instead.
Consider the kind of job you imagine yourself having when you are in your 40s. Choose two examples of ePortfolio appropriate content for someone in that position.
Provide an example of a situation or scenario where a spreadsheet would benefit from the implementation of the SUM function.
Provide an example of a scenario or situation where including a hyperlink to another spreadsheet would make sense.
Answers
The plan to present the sales from her lemonade stand as a pie chart may not work because a pie chart is used to show how a whole unit is divided into parts.
What is pie chart?A pie chart is a circular statistical graphic divided into slices to show numerical proportion. The arc length of each slice in a pie chart is proportional to the quantity it represents.
Because a pie chart is used to show how a whole unit is divided into parts, her plan to present the sales from her lemonade stand may not work.
The whole unit in this case is the total sales for a specific time period (e.g., a week), and the parts are the amount of lemonade sold each day.
Example ePortfolio content for someone in a future job:
Presentation skillsProject managementExample scenario where the SUM function would benefit a spreadsheet:
A budgeting spreadsheet with different categories for expenses, such as housing, transportation, and food.Example scenario where including a hyperlink to another spreadsheet would make sense:
A sales report that includes data for multiple regions or departments. Each region or department could have its own spreadsheet with more detailed data, and a hyperlink could be included in the main report to easily access this additional information.Thus, this can be concluded regarding the given scenario.
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A researcher warts to test the hypothesis that the awerage number of mles that a 2010 Honda Clvic can drive after its gas meter reads as empty is greater than 30 . She collects data from a sample of 50 cars and finds a sarmole mean of 37 . She assumes the standart deviation is 8 based on the literature about car manufacturing- What is the test statistic (Z-score)? 1.99 2.86 b.19 4.55
Answers
The test statistic (Z-score) is approximately 4.95.
To calculate the test statistic (Z-score) for this hypothesis test, we can use the formula:
Z = (sample mean - hypothesized population mean) / (standard deviation / sqrt(sample size))
Sample mean (X-bar) = 37
Hypothesized population mean (μ) = 30
Standard deviation (σ) = 8
Sample size (n) = 50
Substituting these values into the formula, we get:
Z = (37 - 30) / (8 / sqrt(50))
Z = 7 / (8 / 7.071)
Z = 7 / 1.414
Z = 4.95 (rounded to two decimal places)
A statistical hypothesis test is a technique for determining if the available data are sufficient to support a certain hypothesis. We can make probabilistic claims regarding population parameters using hypothesis testing.
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Multiple choice: Sunspots appear dark because
(a) they are patches of the photosphere that occasionally burn up, creating soot;
(b) the changing magnetic polarity of the Sun causes gas in the sunspot to cool down substantially;
(c) they are regions in which strong magnetic fields make it difficult for fresh supplies of hot, ionized gas to reach the photosphere;
(d) they are much hotter than the surrounding area, so their emission peaks at ultraviolet wavelengths, which our eyes cannot see; or
(e) they are holes in the photosphere through which the cooler interior of the Sun is visible.
Answers
Answer: C. They are regions in which strong magnetic fields make it difficult for fresh supplies of hot, ionized gas to reach the photosphere
Explanation:
Sunspots appear dark because they are regions in which strong magnetic fields make it difficult for fresh supplies of hot, ionized gas to reach the photosphere.
Sunspots are typically cooler than their surroundings. For example, the temperature of a large sunspot can be about 4,000 Kelvin which is lower than the temperature of the photosphere around it which is about 5,800 Kelvin.
A skydiver decides to test which parachute will make her fall faster. The mass of the first parachute is 100kg and the mass of the second parachute is 150kg. Surprisingly, she found that she fell at the exact same speed with both parachutes. Why did the parachutes fall at the same speed?
Answers
Answer:
gravity
Explanation:
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Calculate the electric field strength where a test charge of 2 coulombs is repelled by a force of 2 newtons. ________ N/C
Answers
Answer:
1 N/C
Explanation:
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the maximum velocity attained by the mass of a simple harmonic oscillator is 10 cm/s, and the period of oscillation is 2 s. if the mass is released with an initial displacement of 2 cm, find (a) the amplitude, (b) the initial velocity, (c) the maximum acceleration, and (d) the phase angl
Answers
If the mass is released with an initial displacement of 2 cm then:
(a) the amplitude = 0.03184
(b) the initial velocity = 0.7779 m/s
(c) the maximum acceleration = -0314 m/s²
(d) the phase angle = -51.087°
What is acceleration?The pace at which speed changes is known as acceleration. Acceleration typically, but not always, indicates a change in speed. Because the direction of an object's velocity is shifting even while it follows a circular course, it continues to accelerate.
What is velocity?The most important metric for determining an object's position and rate of movement is its velocity. The distance that an object travels in a certain amount of time might be used to define it. The object's displacement in a unit of time is referred to as velocity.
\($$Solution) Maximum Velocity, $v=10 \mathrm{~cm} / \mathrm{s}$ $1 \mathrm{~cm} / \mathrm{s}=0.01 \mathrm{~m} / \mathrm{s}$$$\begin{aligned}& v=10 \times 0.01 \mathrm{~m} / \mathrm{s} \\& \mathrm{v}=0.10 \mathrm{~m} / \mathrm{s}\end{aligned}$$Period of oscillation, $\mathrm{T}=2 \mathrm{~s}$Initial displacement, $x=2 \mathrm{~cm}$$1 \mathrm{~cm}=0.01 \mathrm{~m}$$$\begin{aligned}& x=2 \times 0.01 \mathrm{~m} \\& x=0.02 \mathrm{~m}\end{aligned}$$\)
\($$(a) Amplitude, $A=$ ?$$\begin{aligned}& \mathrm{v}=\mathrm{A} \omega \\& \omega=\frac{2 \pi}{\mathrm{T}}=\frac{2 \pi}{2}=\pi=3.14 \\& \mathrm{v}=\mathrm{A} \omega \\& 0.1=\mathrm{A}(3.14) \\& \mathrm{A}=\frac{0.1}{3.14} \\& \mathrm{~A}=0.03184\end{aligned}$$\)
\($$(b) Initial velocity, $\mathrm{u}=$ ?$$\begin{aligned}& \mathrm{u}=-\omega \mathrm{A} \sin (\omega \mathrm{t}-\phi) \\& \mathrm{At}, \mathrm{t}=0 \\& \mathrm{u}=-\omega \mathrm{A} \sin (0-\phi) \\& \mathrm{u}=-\omega \mathrm{A} \sin (-\phi)\end{aligned}\)\($$We need to find phase angle$$\\\begin{aligned}& \mathrm{x}=A \cos (\omega \mathrm{t}-\phi) \\& \text { At } \mathrm{t}=0 \\& 0.02=0.03184 \cos (-\phi) \\& \phi=-{A_{cos}\left(\frac{0.02}{0.03184}\right) \\& \phi=-51.087^{\circ} \\& \mathrm{u}=- \omega A \sin (-\phi) \\& \mathrm{u}=-3.14 \times 0.03184 \times \sin (-51.087) \\& \mathrm{u}=0.07779 \mathrm{~m} / \mathrm{s}\end{aligned}$$\)
\($$(c) Maximum acceleration, $\mathrm{a}=$ ?$$\begin{aligned}\mathrm{a} & =-\omega_2 . \mathrm{A} \\\mathrm{a} & =-(3.142)(0.03184) \\\mathrm{a} & =-0.314 \frac{\mathrm{m}}{\mathrm{s} 2}\end{aligned}$$(d) Phase angle,$$\phi=\text { ? }$$From part(b)$$\phi=-51.087^{\circ}$$\)
Thus, If the mass is released with an initial displacement of 2 cm then:
(a) the amplitude = 0.03184
(b) the initial velocity = 0.7779 m/s
(c) the maximum acceleration = -0314 m/s²
(d) the phase angle = -51.087°
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Free Fall Problem Set:
1. A coin fell from the top of a building 50 m high. How long
will it fall and what is its velocity as it touches the
ground?
2.A ball was toss in air and fall to the ground in 3 seconds,
What was the maximum height reached. (Note: Consider
the half flight)
3. A bullet was fired from a gun at an angle of 40 degrees
with an initial velocity of 30m/s, what is the total time
of flight of the bullet. To what distance from where it
was fired will it land and what will be the maximum
height the bullet will reach?
Answers
1i. The time taken for the coin to fall is 3.19 s
1ii. The velocity as it touches the ground is 31.262 m/s
2. The maximum height reached is 11.025 m
3i. The time of flight is 3.9 s
3ii. The distance from where it was fired is 90.4 m
3iii. The maximum height of the bullet is 19.0 m
1i. How do I dtermine the time taken?
The time taken for the coin to fall ca need obtained as follow:
Height (h) = 50 mAcceleration due to gravity (g) = 9.8 m/s²Time taken (t) = ?h = ½gt²
50 = ½ × 9.8 × t²
50 = 4.9 × t²
Divide both side by 4.905
t² = 50 / 4.9
Take the square root of both side
t = √(50 / 4.9)
Time taken = 3.19 s
1ii. How do i determine the velocity?
The velocity of the coin as it touches the gro Indian be obtainned a as follow:
Initial velocity (u) = 0 m/sTime (t) = 3.19 Acceleration due to gravity (g) = 9.8 m/s²Final velocity (v) =?v = u + gt
v = 0 + (9.8 × 3.19)
v = 0 + 31.262
velocity = 31.262 m/s
2. How do I determine the maximum height?
The maximum height reached by the ball can be obtained as follow:
Time of flight (T) = 3 sTime to reach maximum height (t) = T / 2 = 3 / 2 = 1.5 sAcceleration due to gravity (g) = 9.8 m/s²Maximum height (h) =?h = ½gt²
h = ½ × 9.8 × 1.5²
Maximum height = 11.025 m
3i. How do I determine the time of flight?
The time of flight can be obtained as follow:
Angle of projection (θ) = 40 ° Initial velocity (u) = 30 m/sAcceleration due to gravity (g) = 9.8 m/s²Time of flight (T) =?T = 2uSineθ / g
T = (2 × 30 × Sine 40) / 9.8
Time of flight = 3.9 s
3ii. How do I determine the distance?
The distance from where the bullet was fired can be obtained as follow:
Angle of projection (θ) = 40 ° Initial velocity (u) = 30 m/sAcceleration due to gravity (g) = 9.8 m/s²Distance (R) =?R = u²Sine(2θ) / g
R = [30² × Sine (2×40)] / 9.8
Distance = 90.4 m
3iii. How do I determine the maximum height?
The maximum height of the bullet can be obtained as follow:
Angle of projection (θ) = 40 ° Initial velocity (u) = 30 m/sAcceleration due to gravity (g) = 9.8 m/s²Maximum height (H) =?H = u²Sine²θ / 2g
H = [30² × (Sine 40)²] / (2 × 9.8)
Maximum height = 19.0 m
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A boat’s velocity changes as it reaches the dock.
Which situations would cause the boat’s velocity to change?
Select three that apply.
A. The boat is slowing down.
B. The boat is speeding up.
C. The boat is changing direction.
D. The boat is not changing direction.
Answers
If the velocity of the boat is changing, then the boat is changing direction.
option C.
What situations would cause the boat’s velocity to change?
The velocity of a boat can change due to various factors such as;
wind resistance, water currents, engine power, and the boat's interaction with the dock.Additionally, the boat's velocity can change if the boat's pilot applies the brakes or changes the direction of the boat. The boat's velocity can also be influenced by the shape and weight distribution of the boat, the speed of the water, and the presence of other boats and objects in the water.
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You are generating traveling waves on a stretched string by wiggling one end. If you suddenly begin to wiggle more rapidly without appreciably affecting the tension, you will cause the waves to move down the string.
Answers
Answer:
At the same speed as before
Explanation:
Speed is dependent on the tension in the string, and since the tension isn't changing, the speed of the waves will also not change.
positron emission tomography (pet) studies of patients with schizophrenia have found
Answers
Positron emission tomography (PET) studies of patients with schizophrenia have found various patterns of brain activity and neurotransmitter abnormalities associated with the condition. Some key findings from PET studies in schizophrenia include:
Dopamine Dysregulation: PET studies have revealed an imbalance in dopamine neurotransmission in the brains of individuals with schizophrenia. Excessive dopamine activity in certain brain regions, such as the mesolimbic pathway, is associated with positive symptoms of schizophrenia, including hallucinations and delusions.Hypofrontality: PET scans have shown reduced metabolic activity in the frontal cortex of individuals with schizophrenia. This "hypofrontality" may be related to cognitive impairments and negative symptoms experienced by patients, such as decreased motivation and social withdrawal.
Abnormal Glutamate Levels: PET studies have suggested alterations in glutamate neurotransmission in individuals with schizophrenia. Glutamate is an excitatory neurotransmitter involved in various cognitive processes. Disruptions in glutamate signaling may contribute to cognitive deficits observed in schizophrenia.Brain Connectivity: PET imaging has also provided insights into altered functional connectivity in the brains of individuals with schizophrenia. Aberrant patterns of connectivity between different brain regions have been associated with symptoms and cognitive impairments in the disorder.
It is important to note that findings from PET studies in schizophrenia can vary across individuals and may not be consistent across all patients. More research is needed to fully understand the complex neurobiological mechanisms underlying schizophrenia
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You see a plane directly overhead at 1622 m.3.51 seconds later, you hear the sonic boom. The speed of sound is 344
s
m
How fast is the plane traveling? Round your answer to 2 decimal places.
s
m
What is the Mach Number for the plane? Round your answer to 2 decimal places.
Answers
The Mach number for the plane is approximately 3.51.
To find the speed of the plane, we can use the equation:
Speed of sound = Speed of the plane / Time taken
Given: Speed of sound (v) = 344 m/s
Time taken (t) = 3.51 seconds
Let's calculate the speed of the plane:
Speed of plane = Speed of sound × Time taken
Speed of plane =\(344 m/s * 3.51 s\)
Speed of plane ≈ 1206.44 m/s
Rounded to 2 decimal places, the speed of the plane is approximately 1206.44 m/s.
To find the Mach number of the plane, we need to divide the speed of the plane by the speed of sound:
Mach number = Speed of plane / Speed of sound
Mach number ≈ \(1206.44 m/s / 344 m/s\)
Mach number ≈ 3.51
Rounded to 2 decimal places, the Mach number for the plane is approximately 3.51.
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a 300 ml beaker holds 150 g of liquid.What is the liquid's density in SI units?
Answers
The density of the liquid in SI units is 0.5 kg/m³. The density of the liquid can be calculated by dividing the mass of the liquid by its volume. Therefore, the density of the liquid in SI units is given by the formula: density = mass/volume.
Given that the beaker holds 300 ml of liquid and it weighs 150 g, we can convert the volume to cubic meters by dividing it by 1000. Therefore, the volume of the liquid in cubic meters is 0.3 m³. Similarly, we can convert the mass to kilograms by dividing it by 1000. Therefore, the mass of the liquid in kilograms is 0.15 kg.
Using the formula above, we can calculate the density of the liquid by dividing its mass by its volume. Thus, the density of the liquid is:
density = mass/volume
density = 0.15 kg/0.3 m³
density = 0.5 kg/m³
Therefore, the density of the liquid in SI units is 0.5 kg/m³.
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100 POINTS
Plutonium-235
Given: energy released = about 200 MeV per individual reaction (mass = 239 amu)
Part A
List the balanced nuclear reaction.
I NEED THIS ASAP
Answers
Answer:
One gram atom of any substance contains one Avogadro number of atoms. Therefore, the number of atoms of U-235 present in 235 g of the substance = Avogadro Number = 6.02×10^23 atoms
The number of U-235 atoms present in 1 g of the substance = (6.02×10^23/235) atoms=2.56×10^21 atoms
Energy released in one atom fissioning = 200 MeV= 200 MeV × 1.6 × 10^-6 erg/MeV= 3.2 ×10^-4 erg/atom.
Energy released in the fission of all the atoms contained in 1g of Uranium-235 fissioning = (2.56×10^21 atom)×(3.2×10^-4 erg/atom)=8.19 ×10^17 erg
Now
1 kWh = 1000 Watt hour = 1000×( 10^7 erg/s)×3600s = 3.6 ×10^13 erg/kWh
So energy in kWh released in fission of 1 g of U-235 = (8.19× 10^17 erg)÷(3.6×10^13 erg/kWh) = 2.55 ×10⁴ kWh.
Added on 19th February, 2019.
The energy consumption of an average home in India in a month is between 300–500 kWh in the metropolitan cities. Let us take it at 400 kWh. So one gram of nuclear fuel (uranium) would be able to meet the energy requirements of a town of about 6000 for a month.
The energy in a fissile material is highly concentrated, compared to other types of fuels like wood, coal, diesel etc. So nuclear powered submarines can remain below water for very long periods of time, as they do not need to surface for getting fuel.
Explanation:
Energy in kWh released in fission of 1 g of U-235 is 2.55 ×10⁴ kWh.
How do find the energy released in fission?One gram atom of any substance contains one Avogadro number of atoms. Therefore, the number of atoms of U-235 present in 235 g of the substance = Avogadro Number = 6.02×10^23 atoms
The number of U-235 atoms present in 1 g of the substance = (6.02×10^23/235) atoms=2.56×10^21 atoms
Energy released in one atom fissioning = 200 MeV= 200 MeV × 1.6 × \(10^{-6}\) erg/MeV= 3.2 ×\(10^{-4}\) erg/atom.
The energy released in the fission of all the atoms contained in 1g of Uranium-235 fissioning = (2.56×\(10^{21}\) atom)×(3.2×\(10^{-4}\) erg/atom) = 8.19 ×\(10^{17}\) erg
1000 Watt hour = 1000×( \(10^{7}\) erg/s)×3600s = 3.6 ×10^13 erg/kWh
So the energy in kWh released in fission of 1 g of U-235 = 2.55 ×10⁴ kWh.
Fission takes place when a neutron slams into a bigger atom, forcing it to excite and break up into smaller atoms—additionally referred to as fission products. Extra neutrons are also launched that may initiate a sequence reaction. whilst each atom splits, a high-quality amount of electricity is released.
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what are the similarities for hydraulic and pneumatic systems?
Answers
Answer:
Explanation:
Pneumatic and hydraulic systems have many similarities. Both pneumatics and hydraulics are applications of fluid power. They each use a pump as an actuator, are controlled by valves, and use fluids to transmit mechanical energy.
which of the following statement of forestry education is true
Answers
Answer:
Some states have greater access to forestry programs than others.
Explanation:
9. Determine the total capacitance between points A and B. D н А- В с E с C C с с с c
Answers
Answer:
Determine the total capacitance between points A and B in the figure below. C =104F C = 5uF C=20uF MAE ce Select the best answer: 2.84uF 2.80uF O 2.90pF 2.86F
Explanation:
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Which model of the universe is the most widely accepted, and what does it
predict?
A. A flat universe, in which the universe stops expanding but does
not contract
B. A closed universe, in which the universe never stops expanding
C. A closed universe, in which the universe stops expanding but does
not contract
D. An open universe, in which the universe never stops expanding
Answers
Answer:
D An open universe, in which the universe never stops spending
Explanation:
A P E X
Hi can u help me in my physics homework
Answers
Answer:
a.) \(5 seconds\)
b.) \(9.5 m/s\)
Explanation:
Solution is attached.
if the radius of a coin is 1 cm then calculate its area.
Answers
Answer:
3.14*1²
3.14 cm²
I hope this will help
Answer:
3.14 cm squared
Explanation:
I hope this will help.
It's physical science, but I don't know I should put for it HELP!!!
Answers
(A) The relationship between current and voltage when resistance is constant represents by graph 2. Option B is correct.
(B) Relationship between current and voltage is direct. Option B is correct.
What is resistance?Resistance is the electric component that regulates the flow of current through the conductors or circuits.
Here,
From ohm's low, we have
Voltage = Current × resistance
As resistance = constant
Voltage ∝ Current
The above expression implies that Voltage becomes directly proportional to the current. So as current increases voltage also increases simultaneously [Option B is correct]. And graph between current and voltage will be a straight line passing through the origin Option B is correct.
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The voltage or potential difference across an electric circuit is directly proportional to the current flowing through the circuit. Thus, the correct options for 1 and 2 are B and B, respectively.
What is the Ohm's law?Ohm's law is the description of the relationship between two variables which are current, voltage, and a constant called resistance. The amount of steady current which passes through a large number of materials is directly proportional to the potential difference, or the voltage across the materials or electric circuit.
It can be expressed as: V = IR
where, V is the potential difference across the circuit,
I is the electric current,
and R is the resistance
As voltage is directly proportional to the current. If the voltage is increasing, then the current will also increase and if the voltage decreases then the amount of current through the circuit also decreases.
Therefore, the correct options for 1 and 2 are B and B, respectively.
Learn more about Ohm's law here:
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Can you help me with this pls
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Can you help me with this pls