What are the alternatives to nuclear waste isolation?
Answers
Answer:
The major alternative to direct disposal of spent fuel (the "once through" fuel cycle) is the "closed" fuel cycle, in which spent fuel is reprocessed into new fuel. The closed fuel cycle could reduce the volume and long-term radioactivity of nuclear waste and potentially postpone the need for permanent disposal.
Related Questions
(v) Which of the following is incorrect statement?
(a) A concave mirror can form a magnified virtual image.
(b) A convex mirror can form a magnified real image.
(c) A concave mirror can form a diminished real image.
(d) A convex mirror can form a diminished virtual image.
Answers
Answer:
(b) A convex mirror can form a magnified real image.
Explanation:
A convex mirror only forms diminished/highly diminished, virtual and erect image.
Hope it helps.
The following figure shows a Ferris wheel that rotates 6 times each minute and has a diameter of 17.8. What is the centripetal acceleration of a rider?
Answers
Answer:
106.8
Explanation:
If you multiply 6 and 17.8, you'll get 106.8.
If that's wrong, my apology's !
You connect a 12 V battery across the terminals leading to a pair of parallel plates (e.g. a configuration like what you had as your setup in the electric field mapping lab). The plates are each 36 cm long, and they are placed 24 cm apart. What will be the electric field strength midway between the plates
Answers
The electric field strength midway between the plates is 100 V/m.
Electric field strengthThe electric field strength experienced by the charge is the force per unit charge flowing in the field.
The electric field strength midway between the plates is calculated as follows;
E = V/d
where;
d is the distance between the platesMidway between the plates = 12 cm = 0.12 m
E = 12/0.12
E = 100 V/m
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a 60 kg skateboarder accelerated from 5 m/s to 12 m/s. she applied a force of 4200 N. how quickly did she accelerate?
Answers
Answer:
70m/s2
Explanation:
acceleration is equal to force over mass,
a=4200/60
= 70m/s2
one steel ball and one aluminum ball are the same size but the steel ball weighs twice as much as the other. the balls are dropped from the roof of a single-story building at the same instant of time. the time it takes the balls to reach the ground below will be:
Answers
It is same for both the balls. Due to the fact that balls fall freely regardless of their weight, both metallic balls take the same amount of time to reach the ground.
When two identically sized objects are dropped from a certain height, they will fall with gravitational acceleration (g). The weight of the objects will not affect how long it takes them to reach the ground. The density of the medium in which an object is dropped affects how long it takes for each object to travel there. Due to the influence of gravity and the same medium, we can therefore infer that both metal balls will take the same amount of time to reach the ground (air). Experiments have been conducted in vacuum rooms and show that when the balls are released from the top of the store, the acceleration of attraction to the floor is gravity and it has a value of 9.8 meters/square second regardless of its weight.
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plzz helpppp meee!!!!
A farmer cannot get his cow to move without help. The cow has a mass of 425 kg. He returns with some neighbors, and they are able to exert a net force of 900 N on the cow. What is its acceleration?
Answers
A=900/425
A=2.18
To determine acceleration you divide the force by the mass.
Answer:
hhh
Explanation:
To break up light into the component colors that it contains, astronomers use a device called:a. a telescopeb. a CCDc. a spectrometerd. Cassegrain splittere. interferometer array
Answers
A spectrometer (c) is used by astronomers to separate light into its individual colours.
A spectrometer is a tool used in science to examine the characteristics of light. It functions by dividing light into its many wavelengths or colours, enabling astronomers to examine the spectra of celestial objects' emissions and absorptions. Spectrometers can be made to work in the visible, ultraviolet, and infrared wavelength ranges, among others. A slit to let light through, a dispersion component such a prism or diffraction grating, and a detector to assess the intensity of the various wavelengths are the standard components of such devices.
Astronomers can create a spectrum—a graph depicting the intensity of light at each wavelength—by passing light through a spectrometer. This spectrum offers important details regarding the makeup, temperature, and motion of celestial objects. Astronomers can identify elements that are present, ascertain their abundances, and investigate a variety of physical processes taking place in celestial objects by carefully examining the distinct patterns and features in the spectrum.
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approximately how long after the big bang did the era of nucleosynthesis end, marking the time when the basic chemical composition of the universe was determined?
Answers
The era of nucleosynthesis came to an end about 5 minutes after the big bang, which is when it was discovered what the universe's fundamental chemical make-up was.
Why did the era of nucleosynthesis, which lasted for around 5 minutes after the Big Bang, see the end of fusion?A few minutes later, the cosmos got too cold, and nucleosynthesis ceased. Since nucleosynthesis was no longer possible, the deuterium that was still there at that time just remained deuterium. It had not yet fused into any heavier nuclei.
Why did the age of the nuclei, which lasted for around 380,000 years, come to an end?In order for stable, neutral atoms to form, the cosmos had expanded and cooled to a temperature of roughly 3,000 K.
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A hot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magni- tude g/4. After time interval At, a crew member releases a ballast sandbag from the basket attached to the balloon. How many seconds does it take the sandbag to reach the ground?
Answers
The time it takes for the sandbag to reach the ground would depend on the height from which it was released.
To find out how long it takes for the sandbag to reach the ground, we can use the equation of motion for a vertically falling object under the influence of gravity:
s = v0*t + (1/2)gt^2
where s is the distance fallen, v0 is the initial velocity (which is 0 m/s for the sandbag), t is the time elapsed, and g is the acceleration due to gravity (approximately 9.8 m/s^2).
We know that the sandbag is being released from the balloon and has an upward acceleration of g/4. So, the equation of motion becomes
s = v0t + (1/2)(g - g/4)*t^2
We also know that s is the distance fallen to the ground, which we can take as the final distance.
Now solving the equation for t
t = sqrt(2*s/(g-g/4))
It is given that the magnitude of the upward acceleration is g/4, so (g-g/4) = 3g/4, so the final equation becomes
t = sqrt(2*s/(3g/4))
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The measurement of light scatted by particles in the sample is the principle of:______.
Answers
The measurement of light scattered by particles in a sample is based on the principle of light scattering.
Light scattering refers to the process by which light interacts with particles in a medium, causing the light to change its direction and intensity. It is widely used in various fields of science and technology for particle size analysis, determination of molecular weight, characterization of colloidal systems, and more.
When light interacts with particles in a sample, it undergoes scattering due to the interaction with the particles' surfaces or internal structures. The scattering phenomenon occurs when the size of the particles is comparable to the wavelength of the incident light. The scattered light can be detected and measured to obtain information about the particles' properties, such as their size, shape, and concentration.
Various techniques are used to measure light scattering, including dynamic light scattering (DLS), static light scattering (SLS), and laser diffraction. These techniques involve illuminating the sample with a light source and analyzing the scattered light using detectors and optical instruments. The patterns and characteristics of the scattered light provide valuable insights into the particles' properties and behavior.
In summary, the principle of light scattering is utilized in the measurement of light scattered by particles in a sample, enabling the analysis and characterization of particles based on the properties of the scattered light.
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What is the product of 0.8102 m and 3.44 m?
Answers
Answer:
0.8102×3.44=2.787088
The product of 0.8102 m and 3.44 m can be written as 2.787488 m².
We can obtain the product of two quantities, such as 0.8102 m and 3.44 m, by multiplying their numerical values and merging them. In this instance, we get 2.787488 when we multiply 0.8102 by 3.44.
We multiply both amounts because they have the unit "m²" (metres), which equals the unit "m2" (square metres).
Consequently, 2.787488 m² is the result of multiplying 0.8102 m by 3.44 m. This implies that the final value, as represented by the square metres unit, indicates an area.
0.8102 m * 3.44 m = 2.787488 m²
Thus, the answer is 2.787488 m².
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Which of the following are true about electrons? a.) They are positively charged b.) They are negatively charged c.) They are found inside the nucleus d.) a & c
Answers
Answer:
A and C
Explanation:
BRAINLIEST PLS
Answer:
b
Explanation:
The answer is b.. because the charge of electrons is opposite to that of protons.. the combination of the equal number of protons and electrons has a total charge of zero(0)....
a) A 0.5kg baseball experiences a 10N force for the duration of 0.1s. What is the change in velocity in the baseball?
Answers
Answer:
2 m/s
Explanation:
We can use the formula:
Δv = (F x t)/m
where Δv is the change in velocity, F is the force applied, t is the duration of the force, and m is the mass of the object.
Substituting the given values, we get:
Δv = (10N * 0.1s) / 0.5kg
= 2 m/s
Therefore, the change in velocity of the baseball is 2 m/s.
What is the
energy of a 70 kg man running at 4 m/s? How
much energy does the man have? *
Answers
Answer:
560J
Explanation:
Given parameters:
Mass of the man = 70kg
Velocity = 4m/s
Unknown:
The amount of energy the man has = ?
Solution:
Energy is the ability to do work by a body. A body in motion is said to have kinetic energy and this can be derived using the expression below:
K.E = \(\frac{1}{2}\) m v²
m is the mass
v is the velocity
Insert the parameters and solve;
K.E = \(\frac{1}{2}\) x 70 x 4² = 560J
A car is driving down the highway at a 50 m/s. Suddenly, the driver sees an accident and slams on his breaks, coming to a complete stop in 10 seconds. How far did the car travel before coming to a stop?
Answers
Given parameters:
Speed of the car = 50m/s
Time = 10s
Unknown:
Distance traveled before the car stopped = ?
We need to establish speed - time - distance relationship.
Speed is the rate of change of distance with time. It is a scalar quantity .
Mathematically;
Speed = \(\frac{distance}{time}\)
Distance = speed x time
Input the parameters and solve;
Distance = 50 x 10 = 500m
The car traveled 500m before it stopped.
Please help I don't have a ruler lol
1. Firmly hold with one hand the end of a ruler over the edge of a table. Pull the other end down gently and listen to the sound. Then give the ruler a harder downward pull, and see if there is a difference in sound. Describe what you hear and explain the difference using the terms “energy,” “amplitude,” “intensity,” and “decibel.”
2. Take some time to listen to sounds in your environment. Make a list of ten sounds, ranking them from the highest pitch to the lowest. Write a couple of sentences describing whether this was easy or difficult and why. (Some of the sounds can come from tapping objects that vibrate or playing musical notes on an instrument.)
Answers
Answer:
When I gently push the end of the ruler down then let go, I heart and feel a slight vibration from the ruler. When I push it down harder, I feel and hear the same thing, just at a more intense frequency.
—--------------------------------------------------------------------------------------------------------------
Dog Barking
Timer
Microwave
Voice
Knocking on door
Car Coming Down Driveway
Typing
Foot Steps
Mouse clicking
Breathing
These were mostly easy except thinking of the last few were a little harder, it wasn't hard to organize them because I just had to think of the intensity of the sounds and rank them from loudest to softest.
Explanation:
Hope this helps!
(1) Ruler Experiment and Explanation: You may make a faint sound by allowing the ruler to vibrate while you slowly lower the end of the ruler over the edge of a table. Changes in the sound's energy, amplitude, intensity, and decibel level are what cause the difference:
Energy: Injecting additional energy into the ruler by pulling it more firmly. The ruler vibrates more as a result of the increased energy, which increases the number of sound waves produced.
Amplitude: The largest displacement of an object, while it is vibrating, is referred to as its amplitude. Higher sound waves are produced when the pull is stronger, since this causes greater vibrations with a higher amplitude.
Intensity: The amount of energy that sound waves carry per unit area is known as their intensity. A stronger draw causes more energy to be transferred to the air, boosting the sound's volume.
Decibel (dB): unit is used to measure the strength of sound. The sound gets louder and the decibel level rises as you pull the ruler further. Decibel measurements can be used to compare the two pulls' sound intensities.
Hence, due to energy, the ruler vibrates more, amplitude gives the displacement of the ruler, intensity is increased due to higher draw, and decibel measure, the strength of sound.
(2) Listening to Environmental Sounds
Depending on a person's knowledge of musical concepts and their capacity to discern between high and low frequencies, ranking sounds by pitch might be very simple or complex. Ten sounds are listed below, ranked from the highest pitch to the lowest pitch:
Whistle
Birds singing
dogs bark
Auto horn
Doorbell
musical note
music note
singing voice of a human
A drumbeat
a hefty item thudding
It could be difficult for someone who isn't used to recognizing frequency variances to rank sounds by pitch. Higher-pitched sounds are simpler to distinguish for people with musical training or a great sense of hearing. It might be more difficult for people who aren't as knowledgeable about musical details to distinguish between some sounds, especially if the pitch variances are slight.
Hence, it could be difficult for someone who isn't used to recognizing frequency variances to rank sounds by pitch. Higher-pitched sounds are simpler to distinguish for people with musical training or a great sense of hearing.
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which scan examines the current security, in a passive method?
Answers
The scan that examines the current security in a passive method is called a Vulnerability Assessment (VA) scan.
A Vulnerability Assessment scan is a process of identifying and assessing vulnerabilities within a system, network, or application. It is typically performed using automated tools that scan the target environment for known vulnerabilities, configuration weaknesses, and security holes. Unlike active scanning techniques that actively probe the system and may generate network traffic, a VA scan operates in a passive manner, observing the system without actively interacting with it.
During a Vulnerability Assessment scan, the automated tool examines the target environment by analyzing network traffic, configurations, system logs, and other sources of information to identify potential vulnerabilities. It compares the collected data against a database of known vulnerabilities and security weaknesses to determine if any matches exist.
The passive nature of a VA scan makes it non-intrusive, as it does not generate additional traffic or perform active actions that could potentially impact the system's performance or stability. It allows organizations to assess their current security posture, identify vulnerabilities, and prioritize remediation efforts without disrupting the normal operation of the environment.
The results of a Vulnerability Assessment scan provide insights into the security weaknesses present in the system, enabling organizations to take appropriate measures to address and mitigate those vulnerabilities. This may include applying security patches, reconfiguring systems, updating software versions, or implementing additional security controls to protect against potential threats.
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a magnet can hold a piece of paper to the door of a refrigerator. how does the magnet stick without touching the door?
Answers
A refrigerator door can be attached to a sheet of paper using a magnet. How does magnet adhere to the door without touching it, The door is drawn to the magnet by gravity.
Why does a magnet attract something without really touching it?A magnet has a magnetic field surrounding it that pushes or pulls objects inside of it that are formed of iron, nickel, or cobalt as well as other magnets. The Earth is enveloped by the a magnetic field and affects objects composed of magnetization, such as compasses, since its interior behaves like a magnet.
Why doesn't paper attract magnets?The magnetism of most things is cancelled out by the equal amounts of electrons that spin in opposing directions. Because of this, substances like fabric and paper are referred to as weakly magnetic. The majority of electrons in materials like iron, cobalt, or nickel spin in a similar way.
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Blank is the change in position of an object
Answers
Question 1. (a) Calculate the energy released when a thermal neutron is captured by the nucleus of a 235 U atom that then fissions to produce 137Cs, 97Zr and two neutrons [Atomic masses: n=1.0087u, 235U-235.0439u, ¹7Cs-136.9070u, "Zr-96.9110u; u-931.48 MeV/e²] [5]
Answers
The energy released when a thermal neutron is captured by the nucleus of a 235 U atom that then fissions to produce 137Cs, 97Zr and two neutrons is 194 MeV.
The mass of a thermal neutron is 1.0087 u, the mass of a 235 U atom is 235.0439 u, the mass of a 137Cs atom is 136.9070 u, and the mass of a 97Zr atom is 96.9110 u.
The mass of two neutrons is 2(1.0087 u) = 2.0174 u. The total mass of the reactants is 235.0439 u + 1.0087 u = 236.0526 u. The total mass of the products is 136.9070 u + 96.9110 u + 2(1.0087 u) = 236.8267 u.
The difference between the mass of the reactants and the mass of the products is 236.0526 u - 236.8267 u = -0.7741 u. This difference in mass is converted into energy according to Einstein's equation E = mc^2. The energy released is (-0.7741 u)(931.48 MeV/u)^2 = 194 MeV.
The energy released in the fission of a 235 U atom is a significant amount of energy. It is this energy that is used in nuclear power plants and nuclear weapons.
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Two vectors have length v1 = 3. 5 km and v2 = 4. 0 km. What are the maximum and minimum magnitudes of their vector sum? discuss how you decided on those magnitudes
Answers
Answer:
77ruririfusjd u 6r7r u y9r8
The conductor is initially electrically neutral, and then a charge q is placed at the center of the hollow space. Suppose the conductor initially has a net charge of 7q instead of being neutral. What is the total charge on the interior and on the exterior surface when the q charge is placed at the center
Answers
The total charge on the interior of the conductor is zero.
The total charge on the exterior of the conductor is 8q.
Total charge on the interiorDue to large number of electrons available for conduction in a conductor, most of the electrons moves to surface leaving zero net charge inside the conductor.
Thus, the total charge on the interior of the conductor is zero.
Total charge on the exteriorThe total charge on the exterior of the conductor is calculated as follows;
Q = q + 7q = 8q
Thus, the total charge on the exterior of the conductor is 8q.
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the force that works against motion and tries to slow objects down is called
A.acceleration
B.Gravity
C.friction
D.Speed
Answers
Answer:
C.friction
Explanation:
How much mass can be lifted by a weight lifter on the surface of the moon if he can lift 100 kg on the Earth?
Answers
Answer:
if u have to find mass then it always constant everywhere that is 100kg but if u have to find weight then it 1/6 of earth .
Explanation:
16.6666
HELPPP WORTH A LOT OF POINTS !!!
If the magnet inside the iron coil is at rest (no motion), the voltage induced in the
circuit is:
A. equal to the number of turns in the iron core.
B. equal to the current flowing in the wire.
C. equal to zero
D. equal to the external resistance in the circuit.
Answers
Answer:
C. Equal to 0
Explanation:
voltage is only produced when the magnet is in motion. Hope this helps :)
danny an airport plot find that it takes 2/3 as much time to travel 450 km with tailwind as it takes to travel the same distance with a. headwind. the speed of the plan in still air is 200 kph find the speed of the wind
Answers
Let's assume that the speed of the wind is "w" km/h. When the plane flies with the tailwind, its speed is the sum of the speed of the plane in still air and the speed of the wind, so:
The speed with tailwind = 200 + w km/h. When the plane flies with the headwind, its speed is the difference between the speed of the plane in still air and the speed of the wind, so: The speed of the wind = 200 - w km/h
We know that it takes 2/3 as much time to travel 450 km with a tailwind as it takes to travel the same distance with a headwind. This means that the time it takes to travel 450 km with a tailwind is 2/3 of the time it takes to travel the same distance with the headwind.
Let's use the formula: time = distance / speed
Calculate the time it takes to travel 450 km with tailwind and headwind.
Time with tailwind = 450 / (200 + w)
Time with headwind = 450 / (200 - w)
So we have the equation: 450 / (200 + w) = 2/3 * (450 / (200 - w))
Simplifying this equation gives: 3(200 + w) = 4(200 - w)= 600 + 3w = 800 - 4w; 7w = 200
w = 200 / 7 ≈ 28.57
Therefore, the speed of the wind is approximately 28.57 km/h.
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Would the stars orbiting the center of the Milky Way behave similarly to a planet or a comit orbiting a star?
Answers
It is accurate to say that the stars in the Milky Way behave like planets orbiting a star rather than comets orbiting a star.
What is a comet?A comet is a celestial object consisting of a nucleus of ice and dust that is surrounded by a fuzzy coma (atmosphere) and a tail.
Will the stars and comet behave similarly?The stars orbiting the center of the Milky Way would behave more like a planet orbiting a star than a comet. This is because the stars are much larger than comets and have a more significant gravitational pull. The stars in the Milky Way galaxy orbit around a massive central black hole, which has a mass of millions of times that of the Sun. This black hole's gravitational pull is strong enough to keep the stars in orbit around it.
In contrast, comets are much smaller and have a much weaker gravitational pull than stars. They typically orbit around the Sun in highly elliptical orbits, which can cause them to be ejected from the solar system or collide with planets. The stars in the Milky Way, on the other hand, have more circular orbits around the central black hole, which keeps them in stable orbits for billions of years.
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Boat Engine An engine moves a boat through the water at a constant speed of 15 m/s. The engine must exert a force of 6.0 kN to balance the force that the water exerts against the hull. What power does the engine develop
Answers
An engine moves a boat through the water at a constant speed of 15 m/s. The engine must exert a force of 6.0 kN to balance the force that the water exerts against the hull. Power is the measure of how fast work can be done. The unit of power is watts (W), which can be defined as the amount of work done in one second.
Power is usually calculated as the product of the amount of work done and the time it takes to do it. Power can also be defined as the rate at which work is done.First, we need to calculate the work done by the engine. Work = Force x distance . Since the boat moves at a constant speed of 15 m/s, we can use the following formula to calculate the distance traveled by the boat:Distance = Speed x TimeTherefore, distance = 15 m/s x 1 s = 15 m Now we can calculate the work done by the engine:Work = Force x Distance = 6.0 kN x 15 m = 90 kJNow that we know the amount of work done by the engine, we can use the formula for power:Power = Work/Time Since we don't know the time it took the engine to do the work, we can't calculate power directly. However, we can make some assumptions and estimate the time it took the engine to do the work. For example, if we assume that the engine did the work in one minute, then the time is 60 seconds:Power = Work/Time = 90 kJ/60 s = 1.5 kWTherefore, the power developed by the boat engine is 1.5 kW.For such more question on measure
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A student wants to make a scientific explanation regarding the wave model of electromagnetic radiation. Which of the following would be part of the scientific explanation?(1 point)
claims
opinions
historical events
procedures
Answers
Answer:
Explanation:
I can say claims
Electromagnetic radiation are a group of waves which are are produced by the vibrations of electromagnetic fields.
What is electromagnetic waves?Electromagnetic radiation are a group of waves which are are produced by the vibrations of electromagnetic fields. Electromagnetic waves/radiation possess the ability to travel through vacuum (i.e. they do not require a material medium for their propagation) while also carrying radiant energy.
Electromagnetic fields which are the sources of electromagnetic radiation, exist as a result of the combination and interaction of travelling electric and magnetic field forces.
Electromagnetic radiations consists of the following waves: radio waves, infrared waves, visible light, ultraviolet rays, X-rays, and gamma rays.
These waves have differing and unique properties such as wavelength, frequencies, ionizing properties, penetrating ability, sources as well as well as uses. However, they have a common property of velocity- they travel with the speed of light, 3.0 * 10⁸ m/s.
In addition to having the same velocity, all electromagnetic radiation exhibit interference and diffraction.
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a bicyclist travels with an average velocity of 15km/h north, for 20 minutes .what is his displacement ?
Answers
\(▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)
Displacement is equal to ~
\(5 \: \: km\)See the attachment for solution ~
Answer:
It is 24000meter per second