for parallel circuits, you saw that the potential difference across each resistor was the same as the potential difference of the battery. use your rule for potential difference in series circuits to explain why this would happen.
Answers
In a series circuit, the potential difference across each resistor is determined by the total potential difference of the battery and the resistance of each resistor. In a parallel circuit, the potential difference across each resistor is determined solely by the potential difference of the battery.
What is a parallel circuit?In a series circuit, the total potential difference of the battery is divided among the individual resistors in the circuit. This is because the current flowing through the circuit is the same through each resistor. Therefore, the potential difference across each resistor is proportional to the resistance of that resistor. The greater the resistance of the resistor, the greater the potential difference across it.
In a parallel circuit, the potential difference across each resistor is the same as the potential difference of the battery. This is because each resistor is connected directly to the battery terminals and the potential difference across each resistor is not affected by the other resistors in the circuit. In other words, the potential difference across each resistor is determined solely by the battery's potential difference and not by the presence of other resistors in the circuit.
To put it simply, in a series circuit, the potential difference across each resistor is determined by the total potential difference of the battery and the resistance of each resistor. In a parallel circuit, the potential difference across each resistor is determined solely by the potential difference of the battery.
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Related Questions
Which of the following best describes the relationship between the flow rate of streams and the types of organisms that live in the streams?
A.
The faster the stream flows, the more plant life it contains.
B.
The slower the stream flows, the more plant life it contains.
C.
There is no relationship between the flow rate of streams and the organisms that live in them.
D.
The faster the stream flows, the more diverse its organisms are.
Answers
The flow rate of streams can affect the types of organisms that live in them. In general, faster-flowing streams tend to have more diverse communities of organisms than slower-moving streams. This is because fast-moving water can support a wider variety of species, including those that require high oxygen levels and those that are adapted to withstand the force of the water. Slower-moving streams, on the other hand, may have fewer species and are often dominated by plants, algae, and other organisms that can thrive in low-oxygen environments.
Therefore, option D is the best description of the relationship between the flow rate of streams and the types of organisms that live in them.
What did Blaise Pascal discover, and how did he impact Physics?
Answers
Answer:
Well it really depends because he found out about a lot of things in a lot of scientific fields actually. He is known for contributing Pascal's triangle and probability theory. He also invented an early digital calculator and a roulette machine. In the field of physics, Blaise contributed to the study of atmospheric pressure by discovering that vacuums are real and exist in the real world.
Answer:
Well it really depends because he found out about a lot of things in a lot of scientific fields actually. He is known for contributing Pascal's triangle and probability theory. He also invented an early digital calculator and a roulette machine. In the field of physics, Blaise contributed to the study of atmospheric pressure by discovering that vacuums are real and exist in the real world.
Explanation:
PART OF WRITTEN EXAMINATION:
are naturally-occurring dynamic stray currents that
are caused by disturbances in the earth's magnetic field by sun spot activity.
A) telluric currents
B) dynmaic stray currents
C) steady state stray currents
Answers
The answer to your question is A) telluric currents. Telluric currents are naturally-occurring electric currents that flow within the Earth's crust and upper mantle.
These currents are caused by the interaction between the Earth's magnetic field and the ionosphere, which is the layer of the Earth's atmosphere that is ionized by the sun's radiation. Sun spot activity can cause disturbances in the Earth's magnetic field, which can in turn affect the strength and direction of telluric currents.It is important to note that while telluric currents are caused by the interaction between the Earth's magnetic field and the sun's radiation, they are not the same thing as magnetic fields or magnetic currents. Magnetic fields are a fundamental force in nature that are generated by the motion of charged particles, while magnetic currents refer to the flow of electric charge within a magnetic field.Overall, the study of telluric currents is an important field of research that has many practical applications, such as in the exploration for mineral resources and the detection of underground structures. By understanding the complex interplay between the Earth's magnetic field and the sun's radiation, scientists can gain valuable insights into the inner workings of our planet and the forces that shape it.
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As the train in the image moves to the right, which person hears the train horn at a lower pitch?
Answers
Answer:
Answer: Explanation: Person A's velocity relative to the train is 0. Therefore, the pitch of the horn will not change.
Explanation:
The person who hears the train horn at a lower pitch is A.
What is pitch?Pitch of any sound wave is directly proportional to the frequency. The higher frequency instruments have higher pitch.
As the train in the image (attached) moves to the right, Person A and B are sitting in the train. Person C and D are standing outside the train.
Person A's velocity relative to the train is 0. So, the pitch of the horn will not change.
Therefore, the person A will hear the train at lower pitch.
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if a direction is somewhere between North and East it is measured in _____?
Answers
Answer:
degrees
Explanation:
If a direction is somewhere between north and east, it is measured in degrees.
This measurement will be possible thanks to the existence of geographical coordinates that are some 'imaginary lines' that help us find our location on the earth's surface. These lines are called latitude and longitude, both of which are measured in degrees.
It is like a sea battle game where you have to combine the rows and columns in order to identify where the targets are located. Geographic coordinates work the same way, you must combine the rows and columns of the planisphere to identify the locations of the planet. So the lines would be the latitudes and the columns the longitudes.
Highway safety engineers build soft barriers along the sides of highways so that cars hitting them will slow down at a safe rate. Suppose a car traveling at 110 km/h hits the barrier, and the barrier decreases the car’s velocity at a rate of 32 m/s2. What distance would the car travel along the barrier before coming to a stop?
Answers
The distance the car would travel when it hit the barrier before coming to a stop is 14.6 m.
What is the distance travelled by the car?The distance travelled by the car before stopping is calculated by applying third kinematic equation as shown.
v² = u² - 2as
where;
v is the final velocity of the car u is the initial velocity of the cara is the acceleration of the cars is the distance travelled by the carwhen the car stops, the final velocity will zero, v = 0
0 = u² - 2as
2as = u²
s = u²/2a
The given parameter;
initial velocity of the car, u = 110 km/h = 30.56 m/s
a = 32 m/s²
s = (30.56²) / (2 x 32)
s = 14.6 m
Thus, when the car hits the soft barrier, it will slow down and travel a distance of 14.6 m before coming to rest.
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According to Loftus, why is the study of eyewitness memory important? Be sure to include a specific quotation from the excerpt above to support your explanation.
Do the Loftus studies support the use of eyewitness testimony as evidence? Be sure to include specific details from the studies to support your position.
Answers
Loftus thought that, to a certain extent, eye witness recollection was significant during a court case or prosecution. Eye witness memory, according to Loftus, is crucial since it provides a different perspective and gauges how reliable a witness's testimony is.
What is eyewitness memory?A person's memory of a particular occurrence, sometimes a crime or accident of some sort, that he or she directly witnessed or experienced. Given the occurrence of phenomena like the weapon-focus effect and the disinformation effect, the credibility of eyewitness evidence is a significant problem in forensic psychology.The law certainly cares about knowing something about the precision, completeness, and malleability of such memories, he said. So he doesn't entirely back the use of eye witness memory. This is so that, because an eyewitness's memory is "malleable," the prosecutor's tone of voice could persuade the witness to alter his or her statement.According to Loftus, eye witness recall is crucial since it provides a different viewpoint and gauges how reliable a witness's testimony is. It also gauges the degree to which it can be trusted. It is evident that the law is interested in learning more about the precision, completeness, and malleability of such memories." His assertion amply supports the significance of eye witness recall.To know more about eyewitness memory, visit:
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A bullet of mass 4 gram moving at speed of 3000 meter per second is stopped by an ice block at o degree celsius the heat fusion of the ice is 300000 joule per kilo what is th mass of the ice melt
Answers
The mass of the ice that melts when a bullet of mass 4 grams moving at a speed of 3000 meters per second is stopped by an ice block at 0 degrees Celsius is 0.00006 kg.
The kinetic energy of the bullet is converted to heat energy when it collides with the ice block. We can calculate this heat energy as follows:
Initial kinetic energy of the bullet, E = (1/2)mu² = (1/2)×0.004×(3000)² J = 18 J
This is the amount of heat energy that is produced when the bullet collides with the ice block. This heat energy is used to melt a certain mass of ice.
We can calculate the mass of ice melted using the formula for heat of fusion:
Q = mLf
where Q is the heat energy absorbed by the ice, and m is the mass of ice melted.
Substituting the values we get,
18 = m × 300000m = 18/300000 kg = 0.00006 kg
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it is a state of matt3r where molecules are very far apart from each øther a.sølid b.liqüid c.gàs d.plasma Jwksjwkajb
Answers
Answer:
gas
Explanation:
Solids are compact together, liquida arent compact but are still close, and gases are free roaming and may be very far apart from eachother.
Answer:
The Answer is Gas.
Explanation:
When light hits a surface it usually bounces off at a larger angle. True or false? Justify
Answers
Answer:That only applies to highly polished surfaces, eg mirrors.
If you take a high quality laser (ie with low divergence) and aim it at a wall, you can see the spot where the laser beam reaches the wall from anywhere with a direct line-of-sight to the spot where the laser beam reaches the wall. This due to micro imperfections on the surface of the wall. At a microscopic level, the wall surface is very rough and pointing in all directions.
As to why, a beam of light bounces of a highly polished surface, I can only surmise that it is essentially due to kinematics, ie the only force opposing the light beam is normal to the surface, hence there no forces along the reflective surface. Since there are no forces along the reflective surface, the speed component of light along the reflective surface remains unchanged. However, on the plane perpendicular to the reflective surface the, the light photons bounce off at the same speed at which the hit the reflective surface because the mass of the reflective surface is much much much larger than the mass of the photons, which means that the reflective surface won’t move at all. Since conservation of momentum requires that momentum after the collision be the same as the momentum before the collision then the only way for that to happen is if the velocity of the photon perpendicular to the reflective surface is of exactly the same magnitude but in the opposite direction. Vector resolution of the speed component of the reflected beam means that the angle of reflection must be the same as the angle of incidence.
Explanation:
Hooke's law states that the restoring force of a spring is directly proportional to a small displacement. Students in physics class were conducting an experiment to determine the difference in displacement among various springs. They wanted to determine if displacement not only varied with mass but also with the type of spring used. The class tested twenty springs; they varied in length, circumference, and material. They used an assortment of masses as well. On some springs they used masses of 5g increments; on others, masses of 10g increments. After hanging the masses from each spring, they measured how far the springs stretched. The students concluded that thin, aluminum springs had greater displacement than short, thick, iron springs. How could the students improve the validity of the data in this experiment to better support their conclusion?.
Answers
The kind of spring should be held constant so as to improve the validity of the experiment.
What is Hooke's law?Hooke's law states that the force that acts on a spring is directly proportional to the extension of the spring as long as the elastic limit is not exceeded.
As such, we can now understand that we can only be able to talk about the Hooke's law if there is no way in which the material has passed the elastic limit of the material. In this case, we are told that the students just embarked on a kind of experiment and they want to be able to verify the validity of the Hooke's law.
We saw that the masses that were hanged were increased but the springs were also changed. This would not allow us to determine the force constant and the Hooke's law accurately.
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When ___ attacks the surface of a metal, it becomes tarnished.
Answers
Answer:corrosion (i believe)
Explanation:
Answer
Mix baking soda and salt with hot water and cover everything with it. The proportions are not crucial, but about 1 tablespoon of salt and 1 tablespoon of baking soda to 3 dl water should do the trick. Lightly tarnished objects should clean up in a few minutes, and you just rinse them of and dry them.
Explanation:
When you hear the sound from a vehicle that is moving toward you, the pitch is higher than it would be if the vehicle were stationary. The pitch sounds higher because the
a. sound waves arrive more frequently
b. sound from the approaching vehicle travels faster
c. wavelength of the sound waves becomes greater
d. amplitude of the sound waves increases
Answers
Option (A) "sound waves arrive more frequently" is the correct answer. This is because when the sound from a vehicle that is moving toward you is heard, the pitch is higher than it would be if the vehicle were stationary.
What is pitch?Pitch is defined as the highness or lowness of a sound. In other words, pitch is a perception of the frequency of a sound. The pitch of a sound is determined by the number of sound wave cycles per second, which is measured in hertz (Hz).
What are sound waves?Sound waves are a type of energy that is propagated through the air or other mediums. Sound waves are created when an object vibrates and transmits sound energy through the air molecules around it. These vibrations create alternating regions of high and low air pressure that propagate as a sound wave.
A wavelength is defined as the distance between two successive peaks of a sound wave, and it is proportional to the frequency of the sound. When a sound wave's frequency increases, its wavelength becomes shorter, and vice versa. Therefore the correct option is A, sound waves do arrive more frequently.
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HELP HAVING BAD DAY NEED ANSWER QUICK!!!!
Jan can run at 7.5 m/s and Mary at 8.0 m/s. On a race track Jan is given
a 25 m head start, and the race ends in a tie. How long is the track?
Answers
Let's call the length of the race track as "x".
To solve for "x", we can use the formula:
\(\implies\text{ Time} = \dfrac{\text{ Distance}}{\text{ Speed}}\)
Since the race ends in a tie, we know that Jan and Mary both took the same amount of time to run the race. Let's call this time "t".
For Jan:\(\implies \text{ Time} = \dfrac{\text{ Distance}}{\text{ Speed}}\)
\(\implies t = \dfrac{x - 25}{7.5}\)
For Mary:\(\implies\text{ Time} = \dfrac{\text{ Distance}}{\text{ Speed}}\)
\(\implies t = \dfrac{x}{8.0}\)
Since both expressions represent the same time, we can set them equal to each other and solve for "x":
\(\implies \dfrac{x - 25}{7.5} = \dfrac{x}{8.0}\)
Multiplying both sides by 60 (the least common multiple of 7.5 and 8.0) to get rid of the decimals:
\(\implies 8(x - 25) = 7.5x\)
\(\implies 8x - 200 = 7.5x\)
\(\implies 0.5x = 200\)
\(\implies x = 400\)
\(\therefore\) The length of the race track is 400 meters.
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daffy duct, inc. issued 10,000 shares of $1 par value common stock at $10 per share. the journal entry to record this transaction includes a ______. (select all that apply.)
Answers
The journal entry to record the issuance of 10,000 shares of $1 par value common stock at $10 per share would include the following:
Debit: Cash - $100,000
This represents the amount received from the sale of the shares.
Credit: Common Stock - $10,000
This represents the par value of the shares issued.
Credit: Additional Paid-in Capital - $90,000
This represents the excess amount received above the par value per share. It is calculated as the difference between the total cash received and the par value of the shares.
The journal entry is as follows:
Cash $100,000
Common Stock $10,000
Additional Paid-in Capital $90,000
The debit to cash reflects the increase in the company's cash balance from the sale of the shares. The credit to common stock records the par value of the shares, while the credit to additional paid-in capital records the additional amount received above the par value per share
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how much work is done on an electron by the electric field as the electron moves from the -12 v painteed circle to the painted circle that is at grounds potential
Answers
Work = (-1.6 × 10^-19 C) × (-12 V) = 1.92 × 10^-18 J
The work done on an electron by an electric field is given by the equation:
Work = Charge × Potential Difference
Potential difference, also known as voltage, is the difference in electric potential between two points in an electrical circuit. It is a measure of the work done per unit charge in moving a charge from one point to another.
In practical terms, potential difference is what drives the flow of electric current in a circuit. It is typically measured in volts (V) and is represented by the symbol "V". When there is a potential difference between two points in a circuit, charges will move from the higher potential (positive terminal) to the lower potential (negative terminal) in order to equalize the difference
Since the charge of an electron is -1.6 × 10^-19 C and the potential difference is (-12 V - 0 V) = -12 V, the work done on the electron is:
Work = (-1.6 × 10^-19 C) × (-12 V) = 1.92 × 10^-18 J
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Electron cloud definition
Answers
ANSWER:
STEP-BY-STEP EXPLANATION:
\(\)What do the dots in an electron dot diagram represent?
Answers
The dots in an electron dot diagram represent electrons.
What is electron dot structure?The bonding between atoms in a molecule as well as any lone pairs of electrons that may be present are depicted in Lewis structures, also referred to as electron dot structures. Any molecule with a covalent link, as well as coordination compounds, can have a Lewis structure.
Lewis structures use the chemical symbol for each atom to show where it is located within the molecule's structure. Atoms that are joined together are separated by lines (pairs of dots can be used instead of lines).
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What is the answer for y = 4cos(5x)?
Answers
Maybe this graph can help?
What are the three components of the cell theory
Answers
2. cells are the basic units of structure and function for living things
3. all cells come from pre-existing cells. (organisms grow by adding on more cells, not by increasing the sizes of the cell)
Answer:
The first component of the cell theory says that all living things are made of cells. The second component of the cell theory states that cells are the basic structure and function of living things. The last component of the cell theory says that cells come from other cells.
Explanation:
Srry this took so long but hope this helps this is also the right answer have a good day
(P.S please mark the helpfull )
the tesla model s has a battery pack that weighs 1200 pounds and contains 7104 lithium battery cells
Answers
Under most conditions, except ________ change, the resistance of an object is a constant and does not depend on the amount of the voltage or the amount of current passing through it.
Answers
Answer:
Temperature change
Explanation:
A rock thrown with speed 11.5m/s and launch angle 30.0?(above the horizontal) travels a horizontal distance of d = 20.0m before hitting the ground. From what height was the rock thrown? Use the value g = 9.810m/s2 for the free-fall acceleration.Find the height yi from which the rock was launched.
Answers
Answer:
The rock was launched from approximately \(8.23\; {\rm m}\) above the ground. Assume that the air resistance on the rock is negligible.
Explanation:
It is given that the initial velocity \(u = 11.5\; {\rm m\cdot s^{-1}}\) is at \(30^{\circ}\) above the ground. Therefore:
Initial horizontal velocity would be:\(u_{x} = u\, \cos(30^{\circ}) = ((\sqrt{3}) / 2) \, (11.5)\; {\rm m \cdot s^{-1}} \approx 9.9593\; {\rm m\cdot s^{-1}}\).Initial vertical velocity would be:\(u_{y} = u\, \sin(30^{\circ}) = (1 / 2) \, (11.5)\; {\rm m \cdot s^{-1}} = 5.75\; {\rm m\cdot s^{-1}}\).Under the assumptions, horizontal velocity would stay the same during the entire flight: \(v_{x} = u_{x} \approx 9.9593\; {\rm m\cdot s^{-1}}\).
Since the rock travelled a horizontal distance of \(x_{x} = 20.0\; {\rm m}\), the duration of the flight would be:
\(\begin{aligned}t &= \frac{x_{x}}{v_{x}} \approx \frac{20.0\; {\rm m}}{9.9593\; {\rm m\cdot s^{-1}}} \approx 2.0082\; {\rm s}\end{aligned}\).
Also under the assumptions, vertical acceleration of the rock would be \(a_{y} = (-g) = (-9.810)\; {\rm m\cdot s^{-2}}\) during the entire flight. (Negative since gravitational pull points towards the ground.)
Apply the SUVAT equation to find the vertical displacement \(x_{y}\) of the rock (distance between where the rock was launched and where the rock landed):
\(\begin{aligned}x_{y} &= \frac{1}{2}\, a_{y}\, t^{2} + u_{y}\, t \\ &\approx \left(\frac{1}{2}\, (-9.810)\, (2.0082)^{2} + (5.75)\, (2.0082)\right)\; {\rm m} \\ &\approx (-8.23)\; {\rm m}\end{aligned}\).
(Negative since the rock landed below where it was launched.)
In other words, the rock was launched from a height of approximately \(8.23\; {\rm m}\).
What type of sedimentary rock is gypsum.
Answers
Answer:
metamorpic rock
Explanation:
the rock stay near the ocen
Black holes are the final stage of what type of star?
Answers
Answer:
the neutron star becomes a black hole
Answer:
neutron stars
Explanation:
not really sure of an explanation, but maybe try looking up for "What type of star ends up as a blackhole?" should help
As you walk to science class, you start out at a speed of 2 m/s, for a time of 120 seconds (you’re really excited to get to class). Then you see your friend and slow down to a speed of 0.5m/s for 30 seconds. You stop at your locker for 40 seconds (a speed of 0 m/s). You realize that you are about to be late so you hurry to class at a speed of 1 m/s and get to class just as the bell rings (4 minutes after your trip started). How far did you travel total?
Answers
The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.
What is Speed?Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.
For instance, 50 km/hr west denotes the velocity of a car whereas 50 km/hr (31 mph) denotes the speed at which it is moving down a route.
The average speed of an object is determined by dividing the distance traveled by the amount of time it takes the object to reach the distance.
Therefore, The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.
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Read this passage:
i respectfully object to your suggestion that we must abandon
our colonies. to do so would throw the island peoples who live
there into chaos. just as parents must protect their children, so
too must we defend the islanders from lawlessness.
which word most clearly indicates an imperialistic attitude?
a. children
b. abandon
o c. respectfully
o d. defend
Answers
The word that most clearly indicates an imperialistic attitude in this passage is "defend". While the speaker is suggesting that abandoning the colonies would be harmful to the island peoples, they frame their argument in terms of defending and protecting them, rather than respecting their autonomy and allowing them to govern themselves.
The use of the word "lawlessness" also suggests a paternalistic attitude, as it implies that without imperial rule, the colonies would descend into chaos and disorder. It's important to note that this passage reflects the attitudes of many imperial powers throughout history, who often justified their colonization and control of other nations by claiming to be protecting them from their own supposed weaknesses or flaws. It's also worth noting that this perspective has been widely criticized, both in the past and in modern times, for ignoring the agency and self-determination of colonized peoples and perpetuating harmful power imbalances.
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Which statements describe isotopes? Check all that apply.
Isotopes of the same element have the same number of protons.
Isotopes of the same element have the same number of neutrons.
All isotopes are unstable.
Some isotopes are unstable.
Isotopes are identified by their mass number.
Isotopes are identified by their atomic number.
Answers
These four statements are correctly describe the isotopes.
Isotopes of the same element have the same number of protons. (True)Isotopes of the same element may have different numbers of neutrons. (True)Some isotopes are unstable. (True)Isotopes are identified by their mass number. (True)Therefore, the statements "Isotopes of the same element have the same number of neutrons," "All isotopes are unstable," and "Isotopes are identified by their atomic number" are incorrect.
What are the isotopes?
Isotopes are variants of an element that have the same number of protons in their atomic nucleus but different numbers of neutrons. Isotopes of an element share the same atomic number, which is the number of protons in the nucleus, but have different atomic masses due to the varying number of neutrons. For example, carbon-12, carbon-13, and carbon-14 are three isotopes of the element carbon, with 6, 7, and 8 neutrons, respectively.
Isotopes occur naturally for many elements, and some isotopes can be artificially created through nuclear reactions. Isotopes have a wide range of applications in fields such as radiometric dating, nuclear power, medical diagnosis and treatment, and materials science.
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Answer:1,4,5
Explanation:
Why do the north and south poles of these magnets attract each other?
Answers
Answer:
here
Explanation:
Unlike-poles attract: When a north pole and south pole point together, the arrows point in the SAME direction so the field lines can join up and the magnets pull together (attract).
Two ice skaters approach each other at right angles. Skater A has a mass of 23.5 kg and travels in the x direction at 1.42 m/s. Skater B has a mass of 112 kg and is moving in the y direction at 0.71 m/s. They collide and cling together. Find the final speed of the couple.
Answers
The final speed of the couple after the collision is X m/s.
To find the final speed of the couple after the collision, we can apply the principles of conservation of momentum.
The total momentum before the collision is the sum of the individual momenta of Skater A and Skater B. Since Skater A travels in the x direction and Skater B in the y direction, their momenta can be calculated using the formula:
Momentum = mass * velocity
For Skater A:
Momentum A = 23.5 kg * 1.42 m/s
For Skater B:
Momentum B = 112 kg * 0.71 m/s
The total momentum before the collision is the vector sum of the individual momenta:
Total Momentum = Momentum A (in the x direction) + Momentum B (in the y direction)
After the collision, the skaters cling together, forming a couple. The final velocity of the couple can be determined by dividing the total momentum by the total mass of the couple.
Total Mass = Mass of Skater A + Mass of Skater B
Final Speed = Total Momentum / Total Mass
By substituting the given values into the equation, we can calculate the final speed of the couple.
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