Velocity is the rate that an object moves in a certain direction. It is a vector quantity that measures displacement over time.
What is the difference between speed and velocity?Speed is the rate of change in position of an object without considering the direction. It is a scalar quantity that measures the distance travelled per unit of time. It can be expressed as
s = d/t
Where
s = speedd = distance travelledt = time elapsesVelocity is the rate of change in position of an object in a certain direction. It is a vector quantity and it measures the displacement with respect to time. It can be expressed as
v = Δs/Δt
Where
v = velocityΔs = displacementΔt = time takenThus, we can conclude that the rate of a moving object in a certain direction is called velocity.
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How does the hst use its solar panels to produce electrical energy?
The hst uses solar panels to generate electrical energy in exactly the same manner as a solar array converts sunlight into power.
Different components make up solar photovoltaic (PV) energy systems. Every component has a distinct purpose. The kind of component in every system is determined by the system's nature and function. A simple PV-direct system, such example, is made up of a solar array as well as module (two or more modules connected together) as well as the load (energy-consuming equipment) that it powers.
Submersible water pumps as well as ventilation fans represent the most prevalent loads. Direct current is generated by a solar energy system (DC). This involves electricity that only flows in one way. A simple PV system's loads are also direct current (DC).
A PV-direct system will contain more components than a stand-alone system including energy storage (a battery). This fact sheet would introduce the various solar PV system components as well as describe their applications in various types of solar PV systems.
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Watch the motion of the protists at 100x and 400x. What structures allow each protist to move?.
Structures allow each protist to move is Amoeba: pseudopodia,Euglena: flagellum,Paramecium:
The membrane encloses the cytoplasm and organelles of an amoeba cell. Ameoba have a single pseudopod that they employ for locomotion and navigation. To maintain osmotic balance, each amoeba possesses one or more nuclei and a simple contractile vacuole. Vacuoles are where the amoeba stores and digests the food it has swallowed. A protist is something like amoebas. They are not fungi, animals, or plants, despite the fact that each of their cells contains a nucleus. The majority of amoebas are so tiny that a microscope is required to observe them. Most scientists advise using a 100x overall magnification to view amoebas. As a result, you would see an image that was 100 times larger than the amoeba itself.
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this problem describes a system where a rigid body, the pulley, rotates around a fixed axis while a second body, the stone, moves vertically. since no information about elapsed time is provided, energy considerations must be used to find relationships involving the position and the motion of the system. to simplify the problem, assume that the wire is massless and it unwinds without stretching or slipping, so that there is no relative motion between the wire and the pulley. note that the pulley is assumed to be rotating around its fixed axis without friction. what forces do work on this system?
The forces that do work on this system are gravitational tension and normal forces
The gravitational force acting on the stone, which does work on the stone as it moves vertically.
The tension force in the wire, which does work on both the stone and the pulley. The tension force in the wire is the same at all points along the wire and acts in opposite directions on the stone and the pulley.
The normal force acting on the pulley, which does work on the pulley as it rotates around its fixed axis.
It's important to note that friction force is not present in this system since the problem states that the pulley is rotating around its fixed axis without friction.
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Write down ONE reason why this graph demonstrates that the component being tested is a diode.
HELP ME ASPP PLEASE THANK YOU
Answer:
i'm not sure but You should look up the question ik ur on a exit ticket ive done this before the answer Will most likley appear
the period of oscillation of a spring and mass system is 0.54 seconds and the amplitude is 4.900 cm. what is the magnitude of acceleration at the point of maximum extension of the spring
Simple harmonic motion is defined as a motion in which the restoring force is directly proportional to the displacement of the body from its mean position.
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What is torque in vector form?
In vector form, torque is the cross product of distance vector(from the rotation axis to the point of application of force) and the force vector.
Torque can also be defined as the turning effect of force, which is also called the moment of forces. As force causes an object to accelerate in linear direction, similarly torque causes an object to acquire angular acceleration. It is a vector quantity. Torque is also defined as the cross product of force vector and distance vector(distance from the axis). The formula of Torque is as follows:
T = F × R × sinθ
Where F is the force, R is the radius of rotation, and θ is the angle between both vectors. Its SI unit will be Newton-meter.
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How do can you tell the difference between an applied force pulling a box an a tension pulling a box?
Applied force pulling a box is when an outside force pushes at the surface of the box to move it on the surface. The friction provided by the surface acts as the opposing force, and the side on which the person is pushing becomes the normal to which all the calculations are made.
The equation to solve these problems can be:
Force = mass ×acceleration
Tension pulling a box is when an outside force pulls on the box, for example, a rope pulling a box. The friction provided by the surface acts as the opposing force. The side on which the tension is being applied becomes the normal to which all calculations are made.
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A bicyclist starts from rest and accelerates along a straight path to a speed of 12.15 m/s in a time of 4.5 seconds. What is the bicyclist’s acceleration in m/s2?
a. 3.7
b. 54.7
c. 2.7
d. 6.8
The Bicyclist's Acceleration is 2.7 m/s2. Thus, Option C is the answer
The bicyclist's acceleration can be found using the equation:
acceleration = (final velocity - initial velocity) / time
In this case, the final velocity is 12.15 m/s, the initial velocity is 0 m/s (since the bicyclist starts from rest), and the time is 4.5 seconds. Plugging these values into the equation, we get:
acceleration = (12.15 m/s - 0 m/s) / 4.5 seconds
acceleration = 2.69 m/s2
Therefore, The correct answer is c. 2.7 m/s2
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Wave with 1cm Crest 1cm through and 2cm wavelength
Please help on all the questions I will post 50 points each
Answer:
The answer is 8.0 J.
Answer:
Explanation:
The answer is A :)
have a nice day
a ladybug sits at the outer edge of a record player which is spinning clockwise, and a gentleman bug sits halfway between her and the axis of rotation. the record player makes 33 1/3 revolutions every 1 minute. the gentleman bug's angular acceleration is
The ladybug and gentleman bug are both experiencing angular acceleration due to the rotation of the record player.
Angular acceleration is the rate of change of angular velocity, or the change in the speed of rotation over time.
The ladybug is sitting at the outer edge of the record player, so it has a larger radius and therefore a larger angular velocity than the gentleman bug, which is sitting halfway between the ladybug and the axis of rotation.
However, the gentleman bug is closer to the axis of rotation and therefore has a smaller angular acceleration.
In this scenario, the record player is making 33 1/3 revolutions every minute, which means it has an angular velocity of 33 1/3 radians per minute.
The ladybug, being at the outer edge, has a larger angular velocity than this, while the gentleman bug has a smaller angular velocity.
The angular acceleration of the gentleman bug is not given in the question, so it can't be determined from the information provided.
In conclusion, the ladybug and the gentleman bug have different angular velocities due to their different positions on the record player, and the gentleman bug's angular acceleration can't be determined without further information.
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what causes a pot to boil over when lid is placed on top of it
A pot boils over when the lid is placed on top of it because of the build-up of pressure and steam inside the pot. This can cause the liquid in the pot to overflow, spilling out onto the stove or surrounding area.
When a pot of liquid is heated, the temperature of the liquid increases and the liquid begins to boil. As the liquid boils, steam is produced and rises to the surface of the liquid.
If a lid is placed on top of the pot, the steam is trapped inside, building up pressure inside the pot. The pressure can cause the liquid in the pot to overflow, spilling out onto the stove or surrounding area.
In addition to the build-up of pressure, there are several other factors that can contribute to a pot boiling over. For example, if the pot is too full, the liquid can overflow even without a lid.
Similarly, if the pot is not level or is on an uneven surface, this can cause the liquid to boil over. Additionally, stirring the liquid in the pot can create turbulence that can cause the liquid to boil over.
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Name the sub-atomic particles present in an atom.AElectronsBProtonsCNeutronsDMolecules.
The sub-atomic particles present in an atom are:
A) Electrons
B) Protons
C) Neutrons
An atom is the basic unit of matter and is made up of three types of subatomic particles: electrons, protons, and neutrons.
Electrons are negatively charged particles that orbit the nucleus of an atom. They determine the chemical properties of an atom and are responsible for the bonding between atoms to form molecules.
Protons are positively charged particles that are located in the nucleus of an atom. The number of protons in an atom's nucleus is called the atomic number and it determines the element to which the atom belongs.
Neutrons are neutral particles (they have no charge) that are also located in the nucleus of an atom. The number of neutrons in an atom's nucleus is called the neutron number. The sum of protons and neutrons is called the atomic mass.
A molecule is a group of two or more atoms that are held together by chemical bonds. The atoms can be from the same or different elements. For example, water is a molecule made up of two hydrogen atoms and one oxygen atom, and it is represented as H2O.
In summary, atoms are made up of subatomic particles called electrons, protons, and neutrons. While molecules are made up of atoms that are chemically bonded together.
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why can iron filings be used to visualize a magnetic field?
Answer:
they will align themselves with a magnetic field
Explanation:
how does changing the frequency affect the wavelength
As the frequency of the wave increases, the wavelength decreases, and as the frequency of the wave decreases, the wavelength increases.
The relationship between the frequency, wavelength, and velocity of a sound wave is described by the equation: v = fλ
Where v is the velocity of the wave, f is the frequency of the wave, and λ is the wavelength of the wave. This means that if the frequency of a sound wave is doubled, the wavelength will be halved, and if the frequency of a sound wave is halved, the wavelength will be doubled.
It's important to note that this relationship is valid as long as the medium through which the wave is traveling remains constant. If the medium changes, the velocity of the wave will change as well and the relationship will change accordingly.
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Joe throws a 4 kg stone straight up and it reaches a height of 5 m. What is is GPE at is highest point?
Joe launches a 4 kg boulder upward and, and it soars 5 m in the air. At its tallest point, what is the stone's GPE? 2 m. How high must you lift a 5.
Describe GPE?Result for an image Describe the GPE.
The mass and position of an object affect its gravitational potential energy (GPE). It is equivalent to the effort required to move an object against the pull of gravity. GPE equals (mass) x g x (height) An item loses its gravity potential energy when it falls.
How come GPE?Result for an image Describe the GPE.
The energy that an object has due to its location in a gravitational field is known as gravitational potential energy. For an object close to the surface of Earth, gravitational force is most frequently used to.
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Joe launches a 4 kg boulder upward and, and it soars 5 m in the air. At its tallest point, what is the stone's GPE? 2 m. How high must you lift a 5.
Describe GPE?The mass and position of an object affect its gravitational potential energy (GPE). It is equivalent to the effort required to move an object against the pull of gravity. GPE equals (mass) x g x (height) An item loses its gravity potential energy when it falls.
How come GPE?The energy that an object has due to its location in a gravitational field is known as gravitational potential energy. For an object close to the surface of Earth, gravitational force is most frequently used to.
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Function f gives the temperature, in degrees celsius, t hours after midnight. Use function notation to write an equation or expression for each statement. The temperature at 12 p. M.
Use function notation to write an equation or expression for each statement the answer will get f(13.5) is 20.
What is the function notation?Function f gives the temperature, in degrees celsius, t hours after midnight.Use function notation to write an equation or expression for each statement.
The temperature is provided by the f function in degrees Celsius, t hours after midnight.
Consequently, we shall have f for the temperature at 12:00 AM (exactly midnight) (0).
We will have f at 1:00 AM, one hour after midnight (1).
Additionally, we will have f for 12:00 PM (noon) (12).
The equation for the temperature at 1:30 PM is what we're looking for.
1.5 hours after noon, 1:30 PM is 13.5 hours after midnight.
Consequently, the appropriate sentence would be:
f(13.5)=20.
The complete question is Function f gives the temperature, in degrees Celsius, t hours after midnight. Choose the equation that represents the statement: “At 1:30 p.m., the temperature was 20 degrees Celsius.” Group of answer choices f (1:30) = 20 f (1.5) = 20 f (13:30) = 20 f (13.5) = 20
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If a light ray from a candle strikes a mirror at an angle of 40° with the normal, at what angle will the ray reflect? a. 20° b. 25° c. 40° d. 60° e. 80°
The ray of light reflects at an angle of 40° from the mirror.
In brief:The angle of incidence of a ray of light should be equal to the angle of reflection as is stated by the first law of reflection. That is the reason why the ray from the candle reflect at 40° which is equal to the angle of incidence.
What is reflection?The bouncing back of light from a smooth surface is called reflection.
What is angle of incidence?The angle at which a ray of light is incident on a surface or strikes a surface is called angle of incidence.
What is angle of reflection?The angle at which a ray of light reflects from a smooth surface after its incidence is called angle of reflection.
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snow is falling vertically at a constant speed of 7.8 m/s. a) at what angle from the vertical and b) with what speed do the snowflakes appear to be falling, as viewed by the driver of a car traveling on a straight road with a speed of 55 km/h?
The angle and the speed of snowflakes as viewed by the driver are:
a) -28.65°
b) 15.3 m/s
a) The angle at which the snowflakes appear to be falling, as viewed by the driver of a car, is equal to the angle between the vertical and the relative velocity of the snowflakes with respect to the car. This relative velocity can be calculated using vector addition:
v_rel = v_snow - v_car
where:
v_rel = relative velocity of the snowflakes with respect to the car
v_snow = vertical velocity of the snowflakes = 7.8 m/s (downwards)
v_car = velocity of the car = 55 km/h = (55 x 1000) / (60 x 60) = 15.28 m/s (horizontally)
The angle between the relative velocity and the vertical can be calculated using the tangent function:
tan(θ) = v_rel_y / v_rel_x
where:
θ = angle between the relative velocity and the vertical
v_rel_y = vertical component of the relative velocity = v_snow - v_car_y
v_rel_x = horizontal component of the relative velocity = -v_car_x
Substituting the values, we get:
tan(θ) = (7.8 m/s - 0 m/s) / (-15.28 m/s) = -0.51
θ = arctan(-0.51) = -28.65°
So the snowflakes appear to be falling at an angle of approximately -28.65° from the vertical, as viewed by the driver of the car.
b) The speed with which the snowflakes appear to be falling can be calculated using the Pythagorean theorem:
v_rel = sqrt(v_rel_x^2 + v_rel_y^2)
Substituting the values, we get:
v_rel = sqrt((-15.28 m/s)^2 + (7.8 m/s - 0 m/s)^2) = sqrt(233.4 m^2/s^2) = 15.3 m/s
Therefore, the snowflakes appear to be falling with a speed of approximately 15.3 m/s, as viewed by the driver of the car.
Therefore, The angle and the speed of snowflakes as viewed by the driver are:
a) -28.65°
b) 15.3 m/s
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Find CSA and TSA of given half cylinder (a) (b) 30 cm- 14 cm 28 cm
The Curved Surface Area (CSA) of the half cylinder is (π x r x h) = (π x 14 x 30) = 1,260 sq cm and the Total Surface Area (TSA) is (2 x CSA) + (2 x π x r^2) = (2 x 1260) + (2 x π x 14^2) = 2520 + 615.44 = 3135.44 sq cm.
How do you calculate the TSA of a half cylinder given the radius and height?The TSA of a half cylinder is calculated by adding the area of the circular base and the curved surface together. The formula for the TSA is πr^2 + 2πrh where r is the radius and h is the height of the half cylinder. To find the TSA, you first calculate the area of the circular base by multiplying π by the radius squared. Then you calculate the area of the curved surface by multiplying π by the radius by the height. Finally, you add the two values together to get the TSA.
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Which two elements would NOT be capable of forming an ionic
bond?
a phosphorus and chlorine
b barium and nitrogen
c iodine and sodium
d. calcium and oxyge​n
The formation of an ionic bond with phosphorus and chlorine is not conceivable.
As a result, option (a) is correct.
What is an ionic bond?The unique chemical bonds created by the sharing of electrons are known as ionic bonds. The two groups of elements that are unable to create an ionic bond are chlorine and phosphorus.
A metal and a non-metal form ionic bonds to create an electrovalent combination.
Covalent bonds are those formed between non-metals.
Metallic bonds are the bonds that connect metals.
In addition, neither phosphorus nor chlorine is metal
An electropositive metal gives up electrons to create an ionic connection.Through this process, they acquire a positive charge.The extremely electronegative nonmetal picks up electrons and develops a negative charge.Ionic bonding is produced by the electrostatic attraction between the two species that have opposing charges.Thus, we might draw the conclusion that the development of an ionic link between phosphorus and chlorine is not conceivable.To learn more about the ionic bond refer to:
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IMPORTANT PLEASE HELP
a child of mass 35 kg moves down a sloping path. the sloping path makes an angle of 4.5degree with horizontal . the constant speed of child along the path is 6.5ms-1. calculate
1.the vertical distance through which the child moves in 1.0s.
2.the rate at which potential energy is being lost (g=9.81ms-2)
The vertical component of velocity here is 0.509 m/s. Then the vertical distance in 1 s is being 0.509 m. Then the potential energy is 174.5 J.
What is potential energy ?Potential energy of an object is generated by virtue of its position from a height h from the ground. It is related to the mass and gravity and the height h as follows:
p = mgh.
The velocity of the child = 6.5 m/s
vertical component of v = 6.5 sin 4.5° = 0.509 m/s
thus, vertical distance or height moved in 1 s = 0.509 m
mass of the child = 35 kg
then potential energy p = 35 kg× 0.509 m/s × 9.8 m/s² = 174.5 J
Therefore, the potential energy being lost will be 174.5 J.
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On the dot below, which represents the book, draw and label the forces (not components)
the lowest point of its circular path. Each force must be represented by a distinct arrow stam
away from, the dot.
The dot represents the book and the forces that act on it are gravity, normal force and centripetal force.
Centripetal forceGravity is the force that pulls the book down towards the earth and is represented by an arrow pointing downwards away from the dot.The normal force is the force that acts perpendicular to the surface the book is on, and is represented by an arrow pointing outwards away from the dot.Lastly, the centripetal force is the force that pulls the book towards the center of its circular path, and is represented by an arrow pointing towards the center of the circle away from the dot.All of these forces act on the book and thus must be drawn in order to accurately represent the book's motion.The dot below represents the book, which is undergoing circular motion. There are two forces acting on it, centripetal force and gravitational force.The centripetal force is the force directed towards the centre of the circle, while the gravitational force is the force of gravity acting on the book due to its mass. Both of these forces can be represented by arrows pointing away from the dot.The centripetal force is represented by an arrow pointing inwards, towards the centre of the circle. The gravitational force is represented by an arrow pointing downwards, towards the ground. Both of these forces are acting on the book at the lowest point of its circular path.The centripetal force is responsible for keeping the book in its circular path, while the gravitational force is responsible for pulling the book down. The combination of these two forces ensures that the book stays in its circular motion.To learn more about centripetal force refer to:
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The blue curve is the plot of the data. The straight orange line is tangent to the blue curve at t = 40 s. A plot has the concentration of A in molar on the y axis and time in seconds on the x axis. A curve contains the points (0, 0. 52), (20, 0. 43), (40, 0. 35), (60, 0. 29), (80, 0. 24), and (100, 0. 20). A line touches the curve at (40, 0. 35) and has a y intercept of (0, 0. 48). Approximate the instantaneous rate of this reaction at time t = 40 s
According to the question,The instantaneous rate of this reaction at t = 40 s is approximately -0.07 molar/s.
What is the reaction ?
The reaction is the way a person reacts to a situation, event, or stimulus. It is often a combination of emotional, mental, and physical responses. Reactions can be positive, negative, or a combination of both. Positive reactions may include feeling joy or excitement, while negative reactions may include fear, anxiety, or sadness. Depending on the situation, reactions can vary significantly from person to person. Ultimately, the reaction to any given situation is a reflection of an individual's beliefs, values, and experiences.
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Select the correct answer. a 70 kilogram mountaineer is standing on the summit of mt. everest. the distance between the mountaineer and the center of earth is 6.39 × 106 meters. what is the magnitude of the force of gravity acting on the mountaineer? (the value of g is 6.673 × 10-11 newton meter2/kilogram2. the mass of earth is 5.98 × 1024 kilograms.) a. 90.5 newtons b. 179 newtons c. 684 newtons d. 781 newtons
The magnitude of the force of gravity acting on the mountaineer is 781 N, thus the correct answer is d. 781 newtons.
The force of gravity acting on an object is given by the equation: F = G * (m1 * m2) / r^2
Where F is the force of gravity, G is the gravitational constant, m1 is the mass of the object, m2 is the mass of the other object, and r is the distance between the two objects.
Given the mass of the mountaineer is 70 kg, the mass of the Earth is 5.98 x 10^24 kg, and the distance between the mountaineer and the center of the Earth is 6.39 x 10^6 meters
F = G * (70 kg * 5.98 x 10^24 kg) / (6.39 x 10^6 m)^2
F = (6.673 x 10^-11 N m^2/kg^2) * (4.18 x 10^29 kg) / (4.08 x 10^12 m^2)
F = (6.673 x 10^-11 N m^2/kg^2) * (4.18 x 10^29 kg) / (4.08 x 10^12 m^2)
F = 781 N
So the magnitude of the force of gravity acting on the mountaineer is 781 N, thus the correct answer is d. 781 newtons.
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if you were looking at two objects, one 50 cm from the pinhole and one 75 cm from the pinhole, which object would be in 'focus' on the screen?
The object 50 cm from the pinhole would be in focus on the screen.
Objects at different distances from the pinhole will produce different images on the screen. This is because the light traveling from the object to the pinhole is diverging and the light rays will converge at different points on the screen.
The object at 50 cm from the pinhole will produce an image that is in focus on the screen, as the rays from the object will converge at the same point. The object at 75 cm from the pinhole will produce an image that is not in focus, as the rays will not converge at the same point.
This is because the rays have diverged more by the time they reach the pinhole, so the image produced will be blurry.
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Explain how the salary cap effects the "buying process when teams are attempting to pay for the best players to be their team?
Teams are not allowed to exceed strict salary caps. Soft salary caps enable teams to go over the salary cap even though these teams will have fewer free agency options.
How do salary caps affect players?Salary caps can be a major sticking point in discussions between league administration and players' unions because they restrict players' and teams' ability to negotiate greater wages even when a team is making considerable profits. A number of player strikes and owner lockouts have also targeted them.
Because "bigger" clubs are forced to give up their financial advantages due to a payroll cap, smaller clubs can compete on an equal footing. Another benefit of a financial cap is that it makes teams less likely to form powerful monopolies, increasing the level of competition in the league.
Hard salary caps are not to be surpassed by teams. Although these teams will have fewer free agency possibilities, soft salary caps allow teams to exceed the salary cap. Teams that go above the luxury tax cap are vulnerable (a tax on every dollar spent over the luxury tax cap).
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you attempt to use your multimeter to measure the electric potential difference, but the value stays at 0.00 v no matter what you do and there is an h on the screen. what's going on?
The multimeter is probably broken and you should give it to your instructor/TA is used to measure the electric potential difference, but the value stays at 0.00 v no matter what you do and there is an h on the screen.
What is a multimeter?
A multimeter is an electronic instrument used to measure electrical properties such as voltage, current, and resistance. It is also known as a multi-tester, VOM (volt-ohm-milliammeter), or DMM (digital multimeter). Multimeters are an essential tool for electricians and other technicians, as they allow for accurate and precise measurements of various electrical values. Multimeters are available in a range of styles and designs, from basic models to more advanced versions with additional features.This means that the multimeter is not taking any readings and is displaying the last measured value. You may need to press the "hold" button on the multimeter to turn it off and allow it to take new readings.To learn more about multimeters here
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3. You attempt to use your multimeter to measure the electric potential difference, but the value stays at 0.00 V no matter what you do and there is an H on the screen. What's going on?
The multimeter is probably broken and you should give it to your instructor/TA.You probably plugged in the wires incorrectly. Try using the 10A and V ports.Someone pressed the "Hold" button. If you press it again, the multimeter should work correctly.Someone pressed the "Handheld" button. The multimeter will only work if you hold it in your hand while using it.If 0, point, 035, p, c,0. 035pc of charge is transferred via the movement of a, l, start superscript, 3, plus, end superscript,alx 3+ ions, how many of these must have been transferred in total?.
The total number of [tex]Al^{+3}[/tex] ions (aluminum cations) needed to b transferred in the current is 72917 using principles of electrochemistry.
Total charge transferred is given to be [tex]0.035\\[/tex] [tex]pC[/tex].
Since, [tex]1 p C = 1[/tex] × [tex]10^{-12}[/tex] [tex]C\\[/tex]
Total Charge ([tex]Q[/tex]) = [tex]0.035[/tex] × [tex]10^{-12}[/tex] [tex]C[/tex]
Charge on each aluminum cation [tex]Al^{+3}[/tex] = Total charge of extra protons contained in each aluminum cation.
Charge on a single proton = [tex]1.6[/tex] × [tex]10^{-19}[/tex] [tex]C[/tex]
Extra protons on each aluminum cation ([tex]Al^{+3}[/tex]) = [tex]3[/tex]
Thus charge on each aluminum cation ([tex]Al^{+3}[/tex]) = [tex]3[/tex] × [tex]1.6[/tex] × [tex]10^{-19}[/tex]
Now let the total number of aluminum cations ([tex]Al^{+3}[/tex]) be [tex]n[/tex].
Thus according to principles of electrochemistry:
[tex]n[/tex] × [tex]3[/tex] × [tex]1.6[/tex] × [tex]10^{-19}[/tex] = [tex]0.035[/tex] × [tex]10^{-12}[/tex]
Solving the equation for [tex]n[/tex], we get [tex]n[/tex] = [tex]72917[/tex]
Thus, in total 72917 ions of [tex]Al^{+3}[/tex] are needed to be transferred in the current.
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The correct question should be:
If 0.035pC of charge is transferred via the movement of Al3+ ions, how's many of these must be transferred in total?