Which nuclear process would yield the most energy, the fission of uranium or the fission or hydrogen
Answers
The fusion of hydrogen would yield more energy than the fission of uranium.
In the fusion process, hydrogen atoms combine to form helium, releasing an enormous amount of energy in the process. This is the process that powers the sun and other stars.
On the other hand, in the fission process, heavy atomic nuclei, such as uranium or plutonium, are split into smaller nuclei, releasing energy.
While fission is used to generate electricity in nuclear power plants, the amount of energy released per reaction is lower than that of fusion.
Fusion reactions have the potential to produce far more energy than fission reactions, but currently, scientists are still working on finding a way to make fusion reactors commercially viable.
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Related Questions
a car, on a straight road, is stopped at a traffic light. when the light turns to green the car accelerates with a constant acceleration. it reaches a speed of 23.7 m/s (85.3 km/h) in a distance of 146 m. calculate the acceleration of the car.
Answers
The acceleration of the car is 146.3 m/s². The result is obtained by using the formula for acceleration.
What is acceleration?Acceleration is the rate of change in velocity of an object with respect to time. It can be expressed as
\(\bar{a} = \frac{\Delta v}{\Delta t}\)
Where
a = accelerationΔv = change in velocityΔt = change in timeA car stopped and moves with a constant acceleration. It means that the car moves from rest. We have
Initial speed, v₁ = 0Final speed, v₂ = 23.7 m/sDistance, Δx = 146 mThe change in time is
Δt = Δv/x
Δt = (v₂ - v₁)/Δx
Δt = (23.7 - 0)/146
Δt = 0,162 s
The acceleration of the car would be
\(\bar{a} = \frac{\Delta v}{\Delta t}\)
\(\bar{a} = \frac{23.7 - 0}{0.162}\)
\(\bar{a} = 146.3 m/s^{2}\)
Hence, the car has an acceleration of 146.3 m/s².
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If one wall of a room consists of a large flat mirror, how much larger will the
room appear to be? Explain your answer.
Answers
Answer:
The room will appear to be twice as big because the object distance is equal to the image distance. The mirror takes into account the distance between the mirror and how big the room is.
a solenoid has a radius of 2cm and is 0.95m long and has 1200 turns. if the current is 3.6a what is the magnetic field inside the coil?
Answers
The magnetic field inside the solenoid with current 3.6 A is 5.4 × 10-3 T.
A solenoid is a type of coil, which is an electromagnetic device made up of a cylindrical length of wire wrapped around a piece of ferromagnetic material.
The magnetic field produced inside a solenoid can be determined using the following formula:
B=μni
B = μni,
where B is the magnetic field strength, μ is the permeability of free space (4π × 10-7 T·m/A), n is the number of turns per unit length, and i is the current through the solenoid.
Let's use this formula to solve the given problem.
The solenoid has a radius of 2 cm, which is equivalent to 0.02 m.
Length of the solenoid (l) = 0.95 m
Number of turns (n) = 1200
Current (i) = 3.6 A
B = μni
B = μni = 4π × 10-7 × 1200 × 3.6 / 0.95
B = 5.4 × 10-3 T
Tesla (T) is the unit of measurement for magnetic field strength.
Therefore, the magnetic field inside the solenoid is 5.4 × 10-3 T.
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Convertir de coordenadas rectangulares B(-3,4) a coordenadas polares.
*
Answers
The polar coordinates of point B(-3,4) are (5, -53.13°).
To convert rectangular coordinates B(-3,4) to polar coordinates, we need to use the following formulas:
r = √(x^2 + y^2)
θ = tan^-1(y/x)
Where r represents the distance from the origin to the point, and θ represents the angle formed by the line connecting the point and the origin with the x-axis.
Using the given rectangular coordinates, we have x = -3 and y = 4. Substituting these values into the formulas, we get:
r = √((-3)^2 + 4^2) = √(9 + 16) = √25 = 5
θ = tan^-1(4/-3) = -53.13° (rounded to two decimal places)
In summary, to convert from rectangular coordinates to polar coordinates, we need to use the formulas for r and θ, which involve calculating the distance from the origin to the point and the angle formed by the line connecting the point and the origin with the x-axis. In this case, we obtained the polar coordinates (5, -53.13°) from the given rectangular coordinates B(-3,4).
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What are the characteristics of terristrial animals?
Answers
Answer:
They are provided with keen senses of sight, smell and hearing.
Answer:
Terrestrial animals
breathe through skin or nostrils, have differently adapted bodies, and exchange of gases is done from air, whereasAn airplane needs to reach a forward velocity of 203 km/h to take off. On a 2000m runway, what is the minimum uniform acceleration necessary for the plane to take flight if it starts from rest?
Answers
Answer:
Minimum uniform acceleration in Km/hr² is 20,505.05 km/hr²
Explanation:
In other to determine the acceleration, we can use the formula below
acceleration = velocity/time
Time wasn't given in the question, hence we calculate for time using the parameters given and the formula below
Velocity= distance/time
time = distance/velocity
distance = 2000m ⇔ 2km
time = 2/203
time = 0.0099
Hence, we look for acceleration
which is
acceleration = 203/0.0099
= 20,505.05 km/hr² ⇔ 2.0 × 10⁴
according to phil, when compared to lower mass stars, higher mass stars go out
Answers
The statement "higher mass stars go out" is not entirely accurate. It is true that higher mass stars have a much shorter lifespan compared to lower mass stars.
The statement "higher mass stars go out" is not entirely accurate. It is true that higher mass stars have a much shorter lifespan compared to lower mass stars. This is because higher mass stars have a much faster rate of nuclear fusion, which produces a lot more energy but also consumes their fuel much faster. As a result, higher mass stars exhaust their fuel supply much more quickly and undergo more violent supernova explosions at the end of their lives. In contrast, lower mass stars have a much slower rate of nuclear fusion and can burn their fuel for billions of years, leading to a much longer lifespan. However, lower mass stars eventually run out of fuel as well and will also eventually "go out" in the form of a planetary nebula or a white dwarf star.
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A rock is dropped from a bridge and hits the water 1.5 seconds later. How high is the bridge?
Answers
Write 10 uses of liquid pressure?
Urgent !!
Please help !!
Will give the brainliest!
Please answer correctly
Answers
Answer:
1.When we spray deo or paint through a bottle
2. we use in syringes
3. when we open a bottle of coke.
4. when we open the tap we find the water gushin out through great pressure.
5 Hydraulic system
construction of syringe
Construction of Dams
Construction of Water tank
Wearing of special suit by sea-driver in sea or occean etc
17. An object's velocity can be graphed as a function of time as seen on the right. From t=2s to t=4 s, the velocity of
the object is 3 m/s.
Answers
Answer:
(a) v = 0 m/s
(b) v = 6 m/s
(c) 6 m
(d) a = 0 m/s²
(e) a = 0.75 m/s²
Explanation:
A velocity-time graph shows the velocity (speed) and direction an object travels over a specific period of time.
y-axis = velocity (in m/s).x-axis = time (in seconds).A horizontal line means constant velocity.
When v = 0 m/s, the object is at rest.
Acceleration is the slope of the line. (A positive slope is acceleration, and a negative slope is deceleration).
Displacement (distance traveled) is the area under the graph.
Part (a)
The object's initial velocity is when t = 0 s.
Therefore, from inspection of the graph, the initial velocity is:
v = 0 m/s.Part (b)
The object's final velocity is when t = 8 s.
Therefore, from inspection of the graph, the final velocity is:
v = 6 m/sPart (c)
To calculate the displacement of the object from t = 0 s to t = 2 s, find the area under the graph between those times.
The area is a triangle with base 2 and height 3. Therefore, using the area of a triangle formula:
\(\sf Displacement=\dfrac{1}{2} \times 2 \times 3=6\;m\)Part (d)
The line between t = 2 s and t = 4 s is horizontal. Therefore, the velocity between these times is constant and so the acceleration of the object is zero:
a = 0 m/s²Part (e)
To calculate the acceleration of the object from t = 4 s to t = 8 s, find the slope of the line between these two points:
\(\implies \textsf{slope}=\dfrac{\textsf{change in $y$}}{\textsf{change in $x$}}=\sf \dfrac{6-3}{8-4}=\dfrac{3}{4}=0.75\)
Therefore, the acceleration of the object from t = 4 s to t = 8 s is:
a = 0.75 m/s²When a process is said to be at 4 sigma level, what does it
mean? How would you compare it with a process at six sigma level?
(7 points)"
Answers
When a process is said to be at a certain sigma level, it refers to its level of process performance or capability.
Sigma (σ) is a statistical term that represents the standard deviation of a process, which measures the variability or spread of data within that process. In the context of process improvement methodologies like Six Sigma, sigma level is used as an indicator of process quality and defect rate.
A process at 4 sigma level means that it exhibits a level of performance where the process variation is such that there are about 6.68 defects per million opportunities (DPMO), or a defect rate of 0.000668%. This level of performance indicates that the process has a relatively higher variability and there is room for improvement to reduce defects and improve quality.
On the other hand, a process at six sigma level represents a higher level of process performance. It means that the process exhibits a very low level of variation, with only about 3.4 defects per million opportunities (DPMO), or a defect rate of 0.000034%. A six sigma level process is considered to be highly capable and aims to achieve near-perfection in terms of quality and minimizing defects.
Comparing a process at 4 sigma level to a process at six sigma level, the key difference lies in the level of process performance and the associated defect rates. A process at six sigma level has significantly lower variation and defect rate compared to a process at 4 sigma level. The six sigma level represents a higher standard of quality and is more reliable and consistent in delivering products or services with minimal defects. The 4 sigma level, while still considered good, has a higher potential for improvement and may benefit from further efforts to reduce variation and defects to achieve higher levels of quality and process capability.
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The French high-speed train travels at 300 km/h. How long
(in hours) would it take the train to travel 1500 km at this
speed?
Answers
Answer:
given , v = 300 km/hr; distance d = 1500 km; then time t = d/v = 1500/300 = 5 hrs
Explanation:
If you are pulling on a box with a force of 20 N, and your friend is pushing the box in the same direction with a force of 30 N, what will happen to the box?
Answers
Answer: If you are pushing a box toward your friend with a force of 20 N, and your friend is pushing the box toward you with a force of 30 N, what will happen to the box? The box will move toward your friend with a force of 50 N.
Explanation:
4 Applications of named material with high specific heat capacity
Answers
Water has the highest specific heat capacity.
The specific heat capacity is measured in J/(kg K) or J/(kg °C), and it is the amount of heat (J) absorbed per unit mass (kg) of the material when its temperature rises by 1 K (or 1 °C).
Applications of water with highest specific heat capacity are:
Fomentation: Hot water bottles are employed for this process because, despite producing a lot of heat, the water stays hot for a long period inside the bottle. Water is utilized as a coolant in automobile radiators. It can absorb a lot of heat energy from the car's engine thanks to its high specific heat capacity, but its temperature doesn't get too hot.Bottled Wines: Wine bottles are stored submerged in water in colder areas. The time it takes for the temperature to drop to 0 C is due to the large specific heat capacity of water.To know more about specific heat visit the link:
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A ball is moving at 2 m/s and has a momentum of 12 kg•m/s. What is the ball's mass?
Answers
Answer:
6 kg
Explanation:
p = mv
A collection of numbers variables operation symbols and grouping symbols such as 2(8x-15) is an:_________
Answers
A collection of numbers variables operation symbols and grouping symbols such as 2(8x-15) is an: Expression.
This collection of numbers, variables, operation symbols, and grouping symbols is an algebraic expression. Algebraic expressions are used in mathematics to represent a mathematical statement. In the expression 2(8x-15), the 2 is a constant, 8x and -15 are the variables, the ( ) indicate grouping of terms, and the x is an operation symbol which represents multiplication.
Evaluating an algebraic expression means to solve the expression for its numerical value. This algebraic expression can be solved by multiplying 8x and -15 together, then multiplying the answer to that by the constant 2, giving us 8x-30. Therefore, 2(8x-15) is equal to 8x-30. Algebraic expressions are important to mathematics as they are used to express relationships between numbers, variables, and operations in equations.
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why does mass decrease when acceleration increases?
Answers
Answer:
Since the mass does not change as the acceleration increases, we can say that force is equal to acceleration. Therefore, if you double the force you double the acceleration. If you increase the mass at a given force the rate of acceleration slows. Therefore, mass is inversely proportional to acceleration.
what a person pushes a large load up an inclined plane where does the person get the energy to do this task?
Answers
The chemical energy in food is converted into the mechanical energy of the person, enabling him to push the load.
When you eat, your system may use the chemical energy in the food to cause your muscle groups to move, enabling you to walk, run, lift objects, and perform all the other activities necessary for their continued existence.
The chemical energy in food is converted into the mechanical energy of moving muscles.
The metabolic rate is the rate at which the energy from food is used by the human body to maintain vitality and carry out different activities.
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22. In an experiment to determine the density of a soil using a density bottle, the following measuren were recorded. Mass of empty density bottle = 42.9g Mass of density bottle full of water = 66.1g Mass of density bottle with some soil = 67.2g Mass of density bottle with soil filled up with water = 82.0g Use the above data to determine the a) Mass of water that completely filled the bottle (2 b) Volume of water that completely filled the bottle
Answers
Answer:1
Explanation:1
there isnt enough sanitidzer(alcohol)what solution to be replaced
Answers
For me: WASH OUR HANDS REGULARLY
Which wave measure is changing by the greatest amount in the image?
A. amplitude
B. wavelength
C. speed
D. frequency
Answers
Answer: frequency
Explanation:
amplitude is the max height at which the wave reaches
wavelength distance b/w two waves
the speed at which the wave is oscillating
frequency is no. of oscillations of a wave per unit length
In isothermal process: a)delta u=deltaw b)vq=vu c)delta q= delta w
Answers
Answer:
-In the isothermal process, temperature is kept constant so change in temperature when work is done on the system is zero. The internal energy of the system depends on temperature. So, $\Delta U=0$.
Explanation:
All of the following are examples of heat conduction except
a pressing a shirt with a hot iron.
b warming your hands over a campfire.
warming your hands by holding a cup of hot
chocolate.
C
d heating soup in a pan on a stovetop.
Answers
Answer:
b warming your hands over a campfire.
Explanation:
This is thermal radiation, not heat conduction
Assuming the time lapse indicated by the double arrow is 2s, what are the values of the
wave frequencies f1 and f2 in the figure? (Hint: Use the definition of frequency).
Answers
Answer:
f₁ = 1 Hz
f₂ = 0.75 Hz
Explanation:
The given time lapse between the two frequencies, t = 2 s
The frequency of a wave is the number of complete one cycles of the wave that pass through a given point in a given unit of time
The unit of frequency, 'f', is the Hertz, Hz
Therefore, frequency = Number of cycles/(Time)
The frequency of a wave, f = n/t
Where;
n = The number of completed cycles in a given time
The frequency of the first wave 1, f₁
The number of complete cycles by wave 1 in the 2 seconds, n = 2 cycles
The time, t = 2 seconds
The frequency of wave 1, f₁ = 2 cycles/(2 seconds) = 1 cycle/second = 1 Hz
The frequency of the second wave, wave 2, f₂
The number of complete cycles by wave 2 in the 2 seconds, n = 1 and half cycles = 1.5 cycles
The time, t = 2 seconds
The frequency of wave 2, f₂ = 1.5 cycles/(2 seconds) = 0.75 cycle/second = 0.75 Hz
You push a 10 n object 10 meters. How much work was done on the object
Answers
Work= 10N * 10m
Work= 100J
Why do space probes continuously move in outer space?
Answers
Answer:
It is because of the gravity. Gravity pulls things down to an planet/star, but a space probe is far enough from the Earth, so it is pulled into the Earth's orbit.
an anchor rope to anchor a ship to the pier is wrapped 2 full times around a support on the ship. a deck hand can keep the rope from slipping by applying a force of 100 n to the free end. what is the coefficient of friction between the rope and the support?
Answers
The coefficient of friction between the rope and the support is 0.34
What is the coefficient of friction?The amount of friction between two surfaces is measured by the coefficient of friction, or. A low coefficient of friction value means that less effort is needed to cause sliding than would be needed if the coefficient of friction were to be high.
We have to solve this problem by making use of the Capstan's equation
The equation is given as:
\(T_{load } = T_{hold} e^u^o\)
u is μ , the coefficient of friction
o is Φ
the load = 7000
the hold support is 100N
Φ = 2π for a complete rotation
given that the rope is wrapped for 2 times we would have Φ = 4π
then
\(7000 = 100e^u^4^\pi\)
take the log of both sides
u = log7000 / 100*4π
u = 0.338
Hence the coefficient of friction from what has been calculated is 0.34
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A merry-go-round makes 30 rotations in 4 minutes. What is its angular speed in rpm and rps?
Answers
Answer:
18 rotations
3 minutes
rotations per minute (RPM) = 18/3 = 6
Explanation:
A plane moving at a horizontal velocity of 205 m/s drops a piece of cargo which lands 7500 m below. How high is the cargo after 3.5 seconds?
Answers
Answer:
well im not gonna give the full answer but the hint im going to give is tht u can use a calculator
Explanation:
During the spin cycle the wash machine that cloths stick to the outer wall the barrel as it spins at a rate as high as 1950 rpm the radius of the barrel inside the wash machine is 0.5 m what is the speed of the clothes as a spin in the barrel?
Answers
The linear speed of the clothes as a spin in the barrel is 102.1 m/s.
What is the linear speed of the clothes?
The linear speed of the clothes is the measure of the change of displacement of the clothes with time.
Mathematically, the formula for linear speed is given as;
v = ωr
where;
v is the linear speed of the clothesω is the angular speed of the clothesr is the radius of the barrelThe angular speed of the wash machine is given as;
ω = 1950 rpm = 1950 rev/min x 2π rad/rev x 1 min/60 s = 204.2 rad/s
v = 204.2 rad/s x 0.5 m
v = 102.1 m/s
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