Analyze each of the following reactions in terms of constituent quarks and show that each type of quark is conserved. (b) K + p → K⁺ + K⁰+ ω⁻
Answers
The reaction must net of 4 u, 2 d, and 0 s before and after.
A quark is an elementary particle and a basic component of matter. Protons and neutrons, the building blocks of atomic nuclei, are the most stable hadrons, which are created when quarks join to make them.
All of the frequently observable matter is made up of electrons, up quarks, and down quarks.
Due to a phenomena called color confinement, quarks can never be found in isolation; they can only be found in hadrons, which include baryons (like protons and neutrons) and mesons, or in quark-gluon plasmas.
The quarks in the final particle for this reaction:
p+p → K⁰ +p+ π⁺⁺?: uud+uud→ d+uud+u+?
The quark combination must be such as to balance the last equation for up, down, and strange quarks.
up quarks:2+2=0+2+1+? (? has 1 u quark)
down quarks:1+1=1+1−1+? (? has 1 d quark)
strange quarks:0+0=−1+0+0+? (? has 1 s quark)
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Related Questions
a block is resting on an slope. (figure 3) which of the following forces act on the block?
Answers
The forces that act on the block that is at rest on the slope are:
weightstatic frictionnormal forceWhat is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
Static Friction: What Is It?A force that holds an object at rest is called static friction. The definition of static friction is: The resistance people feel when they attempt to move a stationary object across a surface without actually causing any relative motion between their body and the surface they are moving the object across.
A contact force is a normal force. A normal force cannot be applied to two surfaces that are not in contact.
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question
A block is resting on an slope. (Figure 3) Which of the following forces act on the block?
Check all that apply.
weight
static friction
normal force
kinetic friction
Vector Addition 4: Find the magnitude and direction of the resultant of the following three force vectors: F
1
=(0.100 kg)×g=0.981Nat30
∘
F
2
=(0.200 kg)×g=1.96 N at 90
∘
F
3
=(0.300 kg)×g=2.94 N at 225
∘
using the following three procedures: a) Graphical. Use the polygon method. b) Analytical. Use the component method. c) Experimental. Use the force table.
Answers
a) Using polygon method, the magnitude of the resultant force is 4.11 N and the direction of the resultant is 12° (approx.) from the direction of the vector F1.
b) Using the component method, the magnitude of the resultant force is 1.28 N (approx.) and the direction of the resultant vector is -17.7° (approx.).
c) Using the force table, the magnitude of the resultant force is 1.33 N and the direction of the resultant vector is -16° (approx.) from the x-axis.
a) Graphical
Using polygon method
F1 = 0.100 kg × g = 0.981 N at 30°
F2 = 0.200 kg × g = 1.96 N at 90°
F3 = 0.300 kg × g = 2.94 N at 225°
For vector addition using the polygon method, we will follow the below procedure:
Step 1: Draw the first vector F1 to the scale.
Step 2: Draw the second vector F2 to the same scale, starting from the end of the vector F1.
Step 3: Draw the third vector F3 to the same scale, starting from the end of the vector F2.
Step 4: The resultant of the three vectors will be a line drawn from the start of the vector F1 to the end of the vector F3.
Step 5: Measure the length of the resultant R by using the scale. This will give us the magnitude of the resultant.
Step 6: Measure the angle between the resultant R and the first vector F1 using a protractor. This will give us the direction of the resultant.
The above steps are followed in the figure given below.
Now, we can see that the length of the line OR is 4.11 cm (measured using the scale).
We can calculate the magnitude of the resultant force by using the following formula:
R = (4.11 cm) × (1 N/cm)
R = 4.11 N
Thus, the magnitude of the resultant is 4.11 N.
Now, to find the direction of the resultant, we need to measure the angle θ between the resultant and the first vector F1 using a protractor. We get:
θ = 12° (approx.)
Thus, the direction of the resultant is 12° (approx.) from the direction of the vector F1.
b) Analytical.
Use the component method.
Let's calculate the horizontal and vertical components of all the three vectors:
F1 :Fx1 = F1 cos θ1 = (0.981 N) cos 30° = 0.850 N
Fy1 = F1 sin θ1 = (0.981 N) sin 30° = 0.490 N
F2 :Fx2 = F2 cos θ2 = (1.96 N) cos 90° = 0 N
Fy2 = F2 sin θ2 = (1.96 N) sin 90° = 1.96 N
F3 :Fx3 = F3 cos θ3 = (2.94 N) cos 225° = -2.077 N
Fy3 = F3 sin θ3 = (2.94 N) sin 225° = -2.077 N
Now, let's calculate the resultant horizontal and vertical components:
Rx = Fx1 + Fx2 + Fx3
Rx = (0.850 N) + 0 + (-2.077 N)
Rx = -1.227 N
Ry = Fy1 + Fy2 + Fy3
Ry = (0.490 N) + (1.96 N) + (-2.077 N)
Ry = 0.373 N
Now, we can calculate the magnitude and direction of the resultant vector using the following formulae:
Magnitude of resultant vector R = √(Rx^2 + Ry^2)
Magnitude of resultant vector R = √((-1.227 N)^2 + (0.373 N)^2)
Magnitude of resultant vector R = 1.28 N (approx.)
Direction of the resultant vector θ = tan^-1(Ry/Rx)
Direction of the resultant vector θ = tan^-1(0.373 N/ -1.227 N)
Direction of the resultant vector θ = -17.7° (approx.)
Thus, the magnitude of the resultant vector is 1.28 N (approx.) and the direction of the resultant vector is -17.7° (approx.).
c) Experimental.
Use the force table.
To find the resultant using the force table, we need to follow the below procedure:
Step 1: Set up the force table with the three pulleys located at angles of 30°, 90° and 225° to each other.
Step 2: Attach weights to the strings at the pulleys such that the tension in the strings is equal to the magnitude of the corresponding force vectors.
Step 3: Adjust the directions of the forces until the ring (to which the strings are attached) is at the center of the force table.
Step 4: Measure the direction of the ring from the x-axis using a protractor. This will give us the direction of the resultant.
Step 5: Measure the force shown on the force table using a scale.
This will give us the magnitude of the resultant.
The above steps are followed in the figure given below.
Now, we can see that the ring is located at the center of the force table. We can measure the magnitude of the resultant by reading the value of the force shown on the force table. We get:
R = 1.33 N (approx.)
Thus, the magnitude of the resultant vector is 1.33 N (approx.).
To find the direction of the resultant vector, we need to measure the angle between the x-axis and the direction of the ring using a protractor. We get:
θ = -16° (approx.)
Thus, the direction of the resultant vector is -16° (approx.) from the x-axis.
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The area of a 120-turn coil / loop oriented its plane
perpendicular to a 0.20-T magnetic field is 0.050 m². Find the
average induced emf in this coil, if the magnetic field reverses
its direction in 0.34 s.
Answers
The average induced emf in this coil is 3.52 volts.
When a coil is kept inside a changing magnetic field, an emf/voltage is produced inside it which is given by the following formula:
EMF = NBA/t
Here N is the number of turns in the coil
B is the magnetic field in which the coil is kept
A is the area of the coil
T is the time during which the magnetic field reverses its direction
Putting the given values in the above equation,
E = 120 x 0.20 x 0.050/0.34
E = 3.52 volts
Thus, the average induced emf in this coil is 3.52 volts.
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A canister is approaching a 78.4 kg astronaut at 3.5 m/s in an airless spacecraft. She pushes against it, which slows it down to 1.2 m/s (but does not reverse it) and gives her a speed
of 2.4 m/s. What is the mass of this canister?
76.3 kg
55.6 kg
81.8 kg
90.0 kg
Answers
Answer:
76.3 kgExplanation:
this is my week answeri message definition
Answers
Answer:
ok?
Explanation:
a line perpendicular to the boundary between two media a line parallel to the boundary between two media a vertical line separating two media
Answers
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DUE RIGHT NOW
IT WOULD BE NICE IF YOU EXPLAIN TO
Answers
Answer: 0-3 minutes
Explanation:
On the side of the graph, it shows you the distance the car was moving. As you know, MPH (miles per hour) shows how fast an object is moving, meaning that the car was going around 0-1 mph around minutes 0-3. Just make sure you know how to read a graph and this will become an easy question for you :)
Answer:
5-8 minutes the car isn't traveling. The g above is wrong
Explanation:
helpp!! Which of the following statements about the independent variable are correct?
a.The independent variable is mentioned in the hypothesis.
b.Scientists adjust the dependent variable to see its impact in the independent variable.
c.The independent variable is manipulated by the scientist.
d.The independent variable is held constant during an experiment.
e.A hypothesis predicts a relationship between the independent and dependent variable.
Answers
The statements about the independent variable that are correct are:
The independent variable is mentioned in the hypothesis.The independent variable is manipulated by the scientist.A hypothesis predicts a relationship between the independent and dependent variables.The correct option are A, C, and E.
What are independent and dependent variables?A variable that is independent is precisely what it sounds like. It is a stand-alone variable that is unaffected by the other variables you are attempting to assess. Age, for instance, could be an independent variable.
The dependent variable is the variable that is being measured in an experiment
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The inner planets are different from the outer planets mainly because they are:.
Answers
Answer:
The inner planets are closer to the Sun and are smaller and rockier. The outer planets are further away, larger and made up mostly of gas. The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus , Earth and Mars.
Explanation:
Which one of Newtons laws of motion best explains why the dishes do not move when the table cloth is removed?
AND
A rocket lifting off the ground into space can be explained by (which one of newtons laws?)
Answers
Answer:
1. Newtons first law (everything in motion/rest stays in motion/rest untill acted up by and unbalanced force).
2. Newtons third law (every reaction has an equal and opposite reaction)
Explanation:
a student lists some possible ways to investigate the transfer of kinetic energy using ice in a sample of water. which procedure would be best to investigate the transfer of kinetic energy?
Answers
The best procedure to investigate the transfer of kinetic energy into ice in water is through conduction i.e., molecular movement transfer of energy.
Conduction regularly happens in solids as a result of an atomic collision. Convection takes put in liquids through the mass development of atoms in a certain course. Radiation happens through the vacuum of space and has no requirement for warming any mediating mediums.
In material science, the kinetic energy of a protest is the vitality that it has due to its movement. It is characterized as the work required to quicken a body of a given mass from rest to its expressed speed.
Having picked up this vitality amid its increasing speed, the body keeps up this dynamic vitality unless its speed changes. The same sum of work is done by the body when decelerating from its current speed to a state of rest.
This is often since warm may be a frame of vitality; by adding energy to ice-warm, you "energize" the water atoms, breaking the intuition within the lattice structure and shaping weaker, looser hydrogen-bonding interactions.
This causes the ice to liquefy. This can be illustrated in the picture underneath. More by and large, once you expel vitality - the protest cools down, and the particles move a parcel slower.
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Which events may occur when ocean salinity increases? check all that apply. mass of water increases freezing point of water decreases sunlight in deeper locations decreases buoyancy of objects in the water increases amount of dissolved gases in water increases
Answers
The mass of water increases, the freezing point of water decreases. and the buoyancy of objects in the water increases may occur when the ocean sanity increases.
What is ocean sanity?Seawater is salty due to a variety of substances. The majority of them arrive via rivers, which bring chemicals dissolved from rock and soil. The most common is sodium chloride, also known as salt.
The most popular approach to quantify salinity is to count the amount of salt in 1,000 g of water, which is referred to as ppt. The majority of the ocean has a salinity of 34 to 36 parts per thousand.
Salinity makes water colder and denser by lowering its temperature. The chilly water sinks to the ocean's depths. Slow currents carry it throughout the marine basins.
Because the items have a lower density, they flow across the water's surface. As a result, the buoyancy of items in water improves.
So the events that may occur when ocean salinity increases will be;
1)The mass of water increases.
2) Freezing point of water decreases.
3) buoyancy of objects in the water increases.
Hence the masses of water increase, the freezing point of water decreases. and the buoyancy of objects in the water increases may occur when the ocean sanity increases.
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Wave 1
a) How many waves are there in this wave train?
b) Wavelength cm c) Amplitude
cm
Answers
Answer:
see below
Explanation:
a wave means one complete wave which is 1 period
so a) 5 complete waves
wavelength is the shortest distance between any two points in phase
so wavelength = 1 CM
amplitude of a wave is the maximum displacement of a particle from its rest position
so amplitude = 3 CM
hope this helps
In distributed storage models of memory like TODAM and CHARM, memory traces arerepresented by _________ and they are stored in memory as _________.a) vectors; convolutions *b) vectors; multiple tracesc) multiple traces; convolutionsd) convolutions; multiple traces
Answers
In distributed storage models of memory like TODAM and CHARM, memory traces are represented by vectors, and they are stored in memory as multiple traces. b) vectors; multiple traces.
The full form of TODAM (Time-Organized Distributed Associative Memory) and CHARM (Content Addressable Read Mostly Memory), memory traces are represented by vectors. Vectors are mathematical constructs that capture the features or attributes of a memory trace.
These vectors encode information about the input patterns or stimuli that have been encountered. Multiple traces refer to the storage of different memory vectors, each corresponding to a distinct memory or pattern. These memory traces are stored and organized in the memory system, allowing for efficient retrieval and recognition of patterns based on the similarity or dissimilarity of the stored vectors.
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A satellite orbiting Earth at an orbital radius r has a velocity v. What would the velocity be if the satellite is moved to an orbital radius of 6r
Answers
Orbital velocity of satellite
\(v = \sqrt{ \frac{gm}{r} } \)
Radius of new orbit r' =6r
Thus new orbital velocity of satellite:
\(v = \sqrt{ \frac{gm}{6r} } = \frac{v}{ \sqrt{6} } \)
About Orbital speedFor satellites in circular orbits, the relationship between orbital velocity and altitude is strict. The task of a satellite launch rocket is to release the satellite at a suitable place in space, with the appropriate speed and direction of movement to put it in the desired orbit.
How a satellite stays in orbit can be thought of in two equivalent ways, both of which explain the relationship between the satellite's altitude and velocity.
The motion of the satellite can be seen as creating a centrifugal force that opposes the gravitational pull. For example, imagine attaching an object to a string and swinging it in a circle. The object is pulling outward against the string, and that outward force (centrifugal force) becomes greater the faster the object swings. At the right speed, the centrifugal force of the satellite due to motion around the earth just balances the gravitational pull, and the satellite remains in orbit.
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Se necesita subir una carga de 500 kg (4900 N) a una altura de 1.5 m deslizándola sobre una rampa inclinada. ¿Qué longitud debe tener la rampa si sólo se puede aplicar una fuerza de 1633.33 N?
Answers
Answer:
4.22 m
Explanation:
Una rampa es una máquina que se utiliza para levantar un objeto con una fuerza menor a la que realmente necesitarías. Cuanto mayor sea la longitud de la rampa, menor será la magnitud de la fuerza necesaria para levantar el objeto.
Dado que:
altura de la rampa = 1.5 m, carga = 4900 N, fuerza aplicada = 1633.33 N.
La fórmula de la rampa se da como:
fuerza aplicada * longitud de la rampa = peso de la carga * altura de la rampa
1633.33 * longitud de la rampa = 4900 * 1.5
longitud de la rampa = 4900 * 1.5 / 1633.33
longitud de la rampa = 4.22 m
Which is the equation of a parabola with focus (-2, -4) and vertex (-4, -4)?
Answers
The equation of the parabola is (x + 4)^2 = 8(y + 4).
What is the equation of the parabola with focus (-2, -4) and vertex (-4, -4)?The equation of a parabola with a focus and vertex can be expressed in the form: (x - h)^2 = 4p(y - k), where (h, k) represents the vertex and p represents the distance between the vertex and the focus.
Given the focus (-2, -4) and the vertex (-4, -4), we can determine that the distance between the vertex and the focus is p = 2.
Substituting the known values into the equation, we have: (x - (-4))^2 = 4(2)(y - (-4)).
Simplifying further: (x + 4)^2 = 8(y + 4).
Therefore, the equation of the parabola is (x + 4)^2 = 8(y + 4).
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Which of these phase changes requires energy?
A Boiling water on a stove
B Making dry ice from carbon dioxide gas
C Freezing water into ice
D Condensing water vapor to rain
Answers
Answer:
A
Explanation:
You have to give energy away for B. You have to think about that carefully. The CO2 starts out with a great deal of energy (mostly KE) and has to slow down to go from gas to a solid. Not B
In general C is the same way. Water has more energy than ice. Not C
Same principle in D. Not D.
So it's A
If a truck has a mass of 100 kg and
a velocity of 35 m/s, what is its
momentum?
Answers
A girl and her mountain bike have a total mass of 65.2 kg and 559 J of potential energy while riding on an elevated, horizontal loading dock. Starting with an initial velocity of 3.14 m/s, she rides her bike down a ramp attached to the dock and reaches the ground below.
a) What is the change in height from the top of the ramp to the ground?
b) What is the total mechanical energy at the point where the ramp meets the
ground?
D) Upon impact with the ground, the bike's front suspension compresses a
distance of 0.315 m from an average force of 223 N. What is the work done to compress the front suspension?
Answers
a) The change in height from the top of the ramp to the ground is approximately 0.50 m.b) The total mechanical energy at the point where the ramp meets the ground is zero. c) The work done to compress the front suspension is approximately 70.3 J.
a) The change in height from the top of the ramp to the groundThe initial potential energy of the girl and the mountain bike was 559 J. When the girl rode down the ramp, this potential energy was converted to kinetic energy. Therefore, the change in potential energy is the same as the change in kinetic energy. The total mass of the girl and her mountain bike is 65.2 kg. The initial velocity is 3.14 m/s. The final velocity is zero because the girl and the mountain bike come to a stop at the bottom of the ramp. Let us use the conservation of energy equation and set the initial potential energy equal to the final kinetic energy: Initial potential energy = Final kinetic energy mgh = 1/2 mv²Solve for h: h = (1/2)(v²/g)Where v is the initial velocity and g is the acceleration due to gravity (9.81 m/s²).h = (1/2)(3.14²/9.81)h ≈ 0.50 mThe change in height from the top of the ramp to the ground is approximately 0.50 m.b) The total mechanical energy at the point where the ramp meets the ground. At the point where the ramp meets the ground, the girl and the mountain bike come to a stop. Therefore, their kinetic energy is zero. Their potential energy is also zero because they are at ground level. Therefore, the total mechanical energy is also zero.c) Work done to compress the front suspension. The work done to compress the front suspension is the force applied multiplied by the distance it is applied over W = Fd, where F is the force and d is the distance. The distance the front suspension compresses is 0.315 m. The force applied is 223 N. Therefore:W = FdW = (223 N)(0.315 m)W ≈ 70.3 JFor more questions on mechanical energy
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A machines mechanical advantage is the number of times the machine multiplies the input force. True or False?
Answers
Answer:
The answer is True
Explanation:
~FuntimeFazbear87
a 0.24 kg blob of clay is thrown at a wall with an initial velocity of if the clay comes to a stop in what is the average force experienced by the clay?
Answers
The - 60.6 N is the average force experienced by the clay.
Define average force.The force applied by a body moving at a constant velocity (rate of speed) over a fixed time period is known as the average force. The magnitude and direction of force are both vector quantities. The term 'average' denotes that this velocity was not precisely measured or was not 'instantaneous.' As a result, the average force over a given time period is equal to the body's mass multiplied by its average velocity. The magnitude and direction of the average force are both vector quantities.
Average acceleration = Δv/t
We know F = ma,
We have m = 0.24
Δv = Final velocity - Initial velocity
Δv = (0 - 23) m/s
Δv = -23 m/s
t = 91 ms or 0.91 s
As we know acceleration (a) = v/t
So, a = -23/0.91
a = - 25.27 m/s²
Put the above value in formula F = ma.
F = (0.24 kg) × (-25.27 m/s²)
F = - 60.6 N
Therefore, the average force experienced by the clay is - 60.6 N.
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The complete question is:
"A 0.24 kg blob of clay is thrown at a wall with an initial velocity of 23 m/s. the clay comes to a stop against the wall in 91 ms, what is the average force experienced by the clay"
how to do this please
Answers
Answer:
1) see the diagram below
2) (b) the length of the wire being tested
Explanation:
1) An ammeter is connected in series with the circuit branch in which you want to measure current. "Conventional current" enters the positive terminal of the ammeter. (You can think of it as a voltmeter across a small resistor. The polarity of the voltage matches the polarity of the current.)
A voltmeter is connected in parallel with the circuit element of interest. Here, you want to measure the voltage across the wire, so the voltmeter is placed in parallel with the wire. The positive terminal of the voltmeter is connected to the end of the circuit element that has the higher (more positive) potential.
__
2) The wording of the problem tells you which variable is independent:
"A varies with B" means the independent variable is B
Here, the independent variable is the length of the wire.
3. How does the mass of a proton compare to the mass of an electron?
Answers
Answer:
Proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 × 10−27 kg, which is 1,836 times the mass of an electron.
Which field of science gives us the idea that spacetime is not just a flat grid but is
itself a physical entity that can be bent and molded?
A: General Relativity
B: Time dilation
C: quantum mechanics
D: gravitational physics
Answers
The field of science that gives us the idea that spacetime is not just a flat grid but is itself a physical entity that can be bent and molded is known as quantum mechanics. Thus, the correct option for this question is C.
What is Quantum mechanics?Quantum mechanics may be defined as a fundamental theory in physics that significantly provides a detailed description of the physical properties of nature at the scale of atoms and subatomic particles. It is basically the branch of physics that deals with the behavior of matter and light on a subatomic and atomic level.
Time dilation in the theory of special relativity is the “slowing down” of a clock as determined by an observer who is in relative motion with respect to that clock.
General relativity is the theory of gravity. The basic idea is that instead of being an invisible force that attracts objects to one another, gravity is a curving or warping of space. The more massive an object, the more it warps the space around it.
Therefore, quantum mechanics is the field of science that gives us the idea that spacetime is not just a flat grid but is itself a physical entity that can be bent and molded. Thus, the correct option for this question is C.
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A ball has a mass of 2g and a velocity of 3m/s. What is the ball's Kinetic Energy?
Answers
Answer: im not sire
Explanation: very sorry im not sure
Which plant has the highest density? A. NeptuneB. JupiterC. EarthD. Mercury
Answers
To find:
Which of the planets has the highest density.
Explanation:
Neptune is known as the ice planet. It has a higher density than gas giants but a lower density than rocky planets. The density of the Neptune is 1638 kg/m³.
Jupiter is known as a gas giant. Gas giants has the lowest densities. The density of Jupiter is 1326 kg/m³.
The Earth and the Mercury are rocky planets. The densities of rocky planets are more than that of the gas giants and ice giants. The density of the Earth is 5514 kg/m³ and the density of the Mercury is 5429 kg/m³.
Final answer:
On comparing the densities of the planets, the Earth has the highest density.
Thus the correct answer is option C.
it requires 320 N to hold two protons in a particular arrangement. An alpha particle carries 2 protons. How much force in Newtons would be required to maintain the arrangement, if one of the protons was replaced with an alpha particle?
Answers
Answer: 480 N is required to maintain the arrangement .
Explanation:
Given, 320 N force is required to hold 2 protons in a particular arrangement .
Then the force required to keep 1 proton in a particular arrangement = 320/2
= 160 N
Then if a proton is replaced by an alpha particle , it is given that a alpha contains 2 protons , then we conclude that after replcament , the arrangement has 1 alpha and 1 proton = 3 protons
Then , the force exerted by 3 protons = 3×160 = 480 N
The force exerted by the arrangement , if one of the protons is replaced with alpha is 480 N
a boy slides down a hill on a sled accelerating 0.90 m/s^2. if he started from rest, what distance would he slide on the snow in 5s?
Answers
Answer:
4.5 m
Explanation:
multiply 0.90 by 5
When cattle are processed, what is the most likely use for the animals' skin?
O Gum
Fertilizer
O Upholstery
O Leather
Answers
When cattle are processed, the most likely use for the animals' skin is in
the production of Leather.
Animals used for Leather productionCattleGoatCrocodile etc.The commonly used animals in leather production is however cattle and
they amount for a large percentage of leather present today. They also
involve various techniques such as tanning and crusting to ensure
conversion to leather.
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