. how fast can the 150 a current through a 0.250 h inductor be shut off if the induced emf cannot exceed 75.0 v?
Answers
The maximum rate of change of the current through a 0.250 H inductor if the induced emf cannot exceed 75.0 V is 300.0 A/s.
What is an inductor?
An inductor is a type of passive electronic component that is commonly used in electrical circuits. It is a coil of wire that is usually wound around a core made of a magnetic material.
Inductors are often used to store energy in a magnetic field. When current flows through an inductor, it produces a magnetic field around it. When the current in the inductor is turned off, the magnetic field around it collapses and generates an emf that opposes the change in current. This is known as Lenz's law. The induced emf is given byε=−LdIdt where ε is the induced emf, L is the inductance of the inductor, and dI/dt is the rate of change of the current through the inductor. The negative sign indicates that the induced emf opposes the change in current. Given: L = 0.250 Hε = 75.0 VWe need to find the maximum rate of change of the current through the inductor. So, we can rearrange the formula for induced emf to find the rate of change of the current: dIdt=−εLdIdt=−75.0 V0.250 HdIdt=−300.0 A/s
Therefore, the maximum rate of change of the current through the inductor if the induced emf cannot exceed 75.0 V is 300.0 A/s.
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Related Questions
___________,_________, and ________ are the three regions on the periodic table
Please help I’m suppose to fill in the blanks.
Answers
Answer:
metal, metalloid, and non-metals are the 3 regions on the periodic table
Explanation:
Answer:
Halogens, Akali, and noble gases
Explanation:
a ball is launched up a semicircular chute in such a way that at the top of the chute, just before it goes into free fall, the ball has a centripetal acceleration of magnitude 2g.
Answers
Since the chute is semicircular, the ball's velocity shortly before free fall at the top would be horizontal. Given that, starting velocity u=0 As a result, 2R is the distance from the chute's bottom.
We must first determine the speed at which the ball is moving at the top of the shop. Therefore, let's accelerate. Two G are equal to the centripetal acceleration.
In contrast, acceleration is equal to two B squared. Because of this, the speed is equal to two square. The square root of two G is the Rudolph centripetal acceleration times. It's calculated, that. Yeah. So now, mm hmm, mm hmm, we must calculate it.
Approximately 14 m/s and quite close to checkpoint 1 in meters per second. By dividing the object's velocity by the amount of time it takes to go from one location to another, the acceleration velocity can be calculated. Acceleration results from changes in the magnitude of velocity or direction.
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A neutron star is as dense as: a. styrofoam b. water c. The Nucleus of an Atom d. A white dwarf star e. The center of the Earth
Answers
A neutron star is as dense as The Nucleus of an Atom . Option C is correct.
What is a neutron star?The collapsing core of a large supergiant star with a total mass of between 10 and 25 solar masses—possibly even more if the star was very metal-rich—is what we refer to as a neutron star. Neutron stars are the tiniest and densest class of stellar objects currently known, with the exception of black holes and other hypothetical phenomena.
When a big star runs out of fuel and collapses, neutron stars are created. The core of the star, which is its most central portion, collapses, fusing every proton and electron into a neutron.
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scientific thinking usually starts with what?
Answers
Answer:
Ask a question.
Explanation:
Your question is the basis of any theory.
8. Early in the Morning, an object's shadow will extend to the North. * True False
Answers
False-
I orignally had it at "true" BUT I was actually wrong.
An astronaut lands on a new, recently discovered planet in a different star system. The astronaut measures the acceleration due to gravity on the planet to be 12m/s2, and the mass of the planet is measured to be 7. 5E23kg. What is the radius of the new planet?
Answers
Answer:
The radius of the new planet is ~2.04 * 10⁶ m, or 2,041,752 m.
Explanation:
We can use Newton's Law of Universal Gravitation:
\(\displaystyle F_g=G\frac{Mm}{r^2}\)Let's look at Newton's 2nd Law:
\(F=ma\)We can set these equations equal to each other:
\(\displaystyle G\frac{Mm}{r^2} =ma\)The mass of the second mass (astronaut) cancels out. We are left with:
\(\displaystyle G\frac{M}{r^2} =a\)We are solving for the radius of the new planet, so we can rearrange the equation:
\(\displaystyle r=\sqrt{\frac{GM}{a} }\)Substitute in our known values given in the problem (G = 6.67 * 10⁻¹¹ ; M = 7.5 * 10²³ ; a = 12).
\(\displaystyle r =\sqrt{\frac{(6.67\times 10^{-11})(7.5 \times 10^{23}}{12} }\)\(r=2.04 \times 10^6\)The radius of the new planet is ~2.04 * 10⁶ m.
A typical circular saw has a radius of 0. 184 m and rotates so the velocity of its edge is 110 m/s. How many RPM does the saw make?
Answers
Answer:
[5710 RPM]
Explanation:
Show that c^2 is equal to 931.5 mev
Answers
The proof that can be used to show the mass energy equivalence os given below.
How to explain the proofAccording to Einstein, mass energy equivalence is represented by
E=mC²
As Einstein's theory of relativity tells us, the equation that relates mass and energy is given by:E = mc²
in which E stands for energy, m refers to mass, while c denotes the speed of light in a vacuum.
In order to switch mass from kg units to electronvolts (eV), we can use this conversion factor:
1 kg = 5.610 × 10^35 eV/c^2
As IMEV = 1.6 × 10^-13J
E = 1.49 × 10^-10 / 1.6 × 10^-13
E = 931.25MeV
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10)as a protostar moves onto the main sequence to become a low-mass star, its…
Answers
As a protostar moves onto the main sequence to become a low-mass star, its luminosity increases while its radius decreases.
Determine the protostar stage?During the protostar stage, gravitational contraction causes the star to heat up, and as a result, it emits infrared radiation. As the protostar continues to accrete mass from its surrounding molecular cloud, it eventually reaches a state of hydrostatic equilibrium, where the inward gravitational force is balanced by the outward pressure from nuclear fusion in its core. At this point, the star becomes a main-sequence star.
As the protostar transitions to the main sequence, its nuclear fusion reactions become the primary source of energy, and the release of energy in the form of light significantly increases its luminosity. The star settles into a stable phase of hydrogen fusion in its core, converting hydrogen into helium.
This increase in luminosity is accompanied by a decrease in the star's radius, as the star achieves a more balanced state of gravitational contraction and energy release.
Therefore, during the transition from protostar to a low-mass main-sequence star, the star's luminosity increases while its radius decreases.
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which of the following best explains why mercury, unlike venus, became virtually tectonically dead?
Answers
Mercury, unlike Venus, is a smaller planet with a much thinner crust and mantle. The lack of size means that the planet loses heat much more quickly, which in turn leads to a cooling of the planet's interior.
As the planet's interior cools, the mantle becomes more rigid, and the planet's ability to experience tectonic activity decreases. Additionally, the planet's surface has been heavily bombarded by asteroids and other debris, which has caused much of the planet's original crust to be destroyed and replaced with newer, less complex materials.
Another factor that has contributed to Mercury's lack of tectonic activity is its lack of a significant atmosphere. The absence of a thick atmosphere means that the planet is not subject to the same stresses and pressures that are experienced by planets with significant atmospheres. Without the added pressure from an atmosphere, the planet's crust is less likely to undergo significant tectonic activity. In summary, Mercury's smaller size, lack of a thick atmosphere, and heavy bombardment by asteroids have all contributed to the planet's current tectonically dead state.
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Forces with magnitudes of v = 135 newtons and u = 280 newtons act on a hook (see figure). The angle between the two forces is 45°. Find the direction and magnitude of the resultant of these forces. (Hint: Write the vector representing each force in component form, then add the vectors. Round your answers to two decimal places.)
Answers
To find the resultant force we will first find the component force of the forces given, to do this, we need to remember that any vector can be express in component form by:
\(\begin{gathered} \vec{v}= \\ \text{ where } \\ v\text{ is the magnitude } \\ \theta\text{ is the angle of the vector with respect to the positive x-axis.} \end{gathered}\)For force u we notice that its magnitude is 280 N and its angle is zero, then we have:
\(\begin{gathered} \vec{u}=<280\cos0,280\sin0> \\ \vec{u}=<280,0> \end{gathered}\)For force v we know that its magnitude is 135 N and its angle is 45°, then we have:
\(\begin{gathered} \vec{v}=<135\cos45,135\sin45> \\ \vec{v}=<95.46,95.46> \end{gathered}\)Now that we have both vectors in component form we add them to get the resultant in component form:
\(\begin{gathered} \vec{F}=\vec{u}+\vec{v} \\ \vec{F}=<280,0>+<95.46,95.46> \\ \vec{F}=<375.46,95.46> \end{gathered}\)Once we have the resultant force in component form we can find its magnitude and direction if we remember that they are given by:
\(\begin{gathered} F=\sqrt{F_x+F_y} \\ \theta=\tan^{-1}(\frac{F_y}{F_x}) \end{gathered}\)Plugging the values we found for the components we have:
\(\begin{gathered} F=\sqrt{375.46^2+95.46^2} \\ F=387.41 \end{gathered}\)and
\(\begin{gathered} \theta=\tan^{-1}(\frac{95.46}{375.46}) \\ \theta=14.27 \end{gathered}\)Therefore, the magnitude of the resultant force is 387.41 N and the direction is 14.27°
The voltage waveform in the given figure is applied across a 55-μf capacitor
Answers
Answer:
Explanation:
A capacitor is an electronic component that stores and releases electrical energy. It consists of two conductive plates separated by an insulating material called a dielectric. When a voltage is applied across the plates, charge accumulates on them, creating an electric field between the plates.
The capacitance of a capacitor is a measure of its ability to store charge. It is typically represented by the symbol 'C' and is measured in farads (F). In your case, you mentioned a 55-μF (microfarad) capacitor, indicating its capacitance value.
When a voltage waveform is applied across a capacitor, the capacitor charges and discharges in response to the changes in voltage. The rate at which the capacitor charges and discharges depends on the capacitance and the resistance in the circuit
Since there is no figure provided in the text, I am unable to reference it for the specific details of the voltage waveform. However, I can explain the general behavior of a capacitor when a voltage waveform is applied.
When a voltage waveform is applied across a capacitor, the capacitor charges and discharges in response to the changes in voltage. The behavior of the capacitor is determined by its capacitance, which is given as 55 μF in this case.
As the voltage waveform varies, the capacitor stores and releases electrical charge. During the rising portion of the waveform, the capacitor charges and accumulates energy. During the falling portion, the capacitor discharges and releases the stored energy.
The exact behavior and characteristics of the voltage waveform and the charging/discharging process depend on the specific shape and frequency of the waveform. Without the specific details of the voltage waveform provided in the figure, it is challenging to provide a more detailed analysis.
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Which statement describes the endothermic reaction by this graph?
Answers
Answer:
B
endothermic: heat taking in
exothermic: heat given out
Answer:
I thin that the answer is d because the energy goes high and then it goes down a bit
Explanation:
Electric Field Hockey
In this activity, you will again explore the relationship between an electric field and charged particles in the field, but this time you’ll have a gaming challenge. To begin, open Electric Field Hockey.
Directions:
On the control bar, make sure that the Puck is Positive and the Field boxes are checked. Also, make sure that the Practice option is selected.
Your aim is to score goals by manipulating the black puck (test charge) into the blue-colored bracket (goal) on the right. Think smart and place positive source charges (red) and negative source charges (blue) in such a way that the black puck moves into the goal.
Note that when you place a red, positive source charge in the hockey field, a red arrow appears on the black puck (test charge) showing the force the positive charge exerts on the puck. Similarly, when you place a blue, negative source charge in the hockey field, a blue arrow appears on the black puck (test charge) showing the force the negative charge exerts on the puck.
Question 1
Part A
Place a red charge on the hockey field and click Play. In which direction do electric field lines point? In which direction does the black puck move? What conclusion do you draw from this movement?
Part B
Click Reset and then click Clear. Now, place a blue charge in the hockey field and click Play. In which direction do electric field lines point? In which direction does the black puck move? What conclusion do you draw from this movement?
Part C
Manipulate the mass of the puck by dragging the mass bar to the right to increase the mass and to the left to decrease it. What changes do you see in the speed of the puck? Which principle works behind this change?
Part D
In the same situation, what do you observe about the relationship between the speed of the black puck and its distance from the blue charge?
Question 2
You can make the puck travel in complex ways by placing a set of charges around on the field. So, here’s your game challenge: Arrange sources charge around to propel the puck from its starting position into the goal. That’s pretty easy for a straight shot; you just put a negative charge behind the goal. But what if there are barriers along the way? This is a real test of your physical understanding, including Newton’s laws of motion and electrostatic forces. Game’s on!
Part A
On the control bar, check the Trace and Field boxes. The game has three Difficulty levels. Start with Difficulty level one and arrange source charges to get the puck into the goal. Once you’ve made a score at any level, increase the Difficulty level. Take a screen capture of two of your most difficult goals and paste them here. At least one of these should be at Difficulty level 2 or 3.
Please Answer Questions with complete sentences.
Answers
Answer:
The positive charges point away from each other
Explanation:
Why?
Arrows point away from the positive charge and toward the
negative charge.
Explanation:
Suppose that you rubbed a balloon with a sample of animal fur such as a wool sweater or even your own hair. The balloon would likely become charged and its charge would exert a strange influence upon other objects in its vicinity. If some small bits of paper were placed upon a table and the balloon were brought near and held above the paper bits, then the presence of the charged balloon might create a sufficient attraction for the paper bits to raise them off the table. This influence - known as an electric force - occurs even when the charged balloon is held some distance away from the paper bits. The electric force is a non-contact force. Any charged object can exert this force upon other objects - both charged and uncharged objects. One goal of this unit of The Physics Classroom is to understand the nature of the electric force. In this part of Lesson 1, two simple and fundamental statements will be made and explained about the nature of the electric force.
Perhaps you have heard it said so many times that it sounds like a cliché.
Opposites attract. And likes repel.
These two fundamental principles of charge interactions will be used throughout the unit to explain the vast array of static electricity phenomena. As mentioned in the previous section of Lesson 1, there are two types of electrically charged objects - those that contain more protons than electrons and are said to be positively charged and those that contain less protons than electrons and are said to be negatively charged. These two types of electrical charges - positive and negative - are said to be opposite types of charge. And consistent with our fundamental principle of charge interaction, a positively charged object will attract a negatively charged object. Oppositely charged objects will exert an attractive influence upon each other. In contrast to the attractive force between two objects with opposite charges, two objects that are of like charge will repel each other. That is, a positively charged object will exert a repulsive force upon a second positively charged object. This repulsive force will push the two objects apart. Similarly, a negatively charged object will exert a repulsive force upon a second negatively charged object. Objects with like charge repel each other.
The activity where to explore the relationships between the electricity field charged with particles and those of the hockey field
The positively change will attract to each other and will opposite to the negatively changed ones. Arrows point away from the positive charge and toward the negative charge.Learn more about the you will again explore the relationship.
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Use the concept of inertia to explain why Newton’s first law of motion is accepted as true
Answers
Whailt's magnification
?
Answers
Answer:
Magnification is the degree to which an object is multiplyed to get it's image.
For example if an object size is 10cm an it's image size is 20cm then the magnification is 2, that is the image is twice the size of the object.
Hope that helps
This photograph shows a person using a type of wave technology. Which need or want does this technology meet?
A. It allows people to check their sense of touch.
B. It allows people to see very distant objects clearly.
C. It allows people to check their eyesight.
D. It allows people to see very small objects clearly.
Answers
The photography that shows a person using a type of wave technology, allows people to see very small objects clearly. D as it is a microscope
Why are wave technologies important?
Wave technologies are important because;
They create waves that are more perfect than humans can provide by themselves.Certain inventions use waves to enhance human senses like hearing, sight and touch.Thus, the photography that shows a person using a type of wave technology, allows people to see very small objects clearly. D as it is a microscope.
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The earliest generation of electronic computers used ________ as switches.
A) transistors
B) vacuum tubes
C) microprocessors
D) integrated circuits
Answers
A fuel-filled rocket is at rest. It burns its fuel and expels hot gas. The gas has a momentum of 1,500 kg m/s backward. What is the momentum of the rocket?
Answers
A fuel-filled rocket is at rest. It burns its fuel and expels hot gas. The gas has a momentum of 1,500 kg m/s backward. So, The momentum of the rocket is -1500 kg m/s.
According to the law of conservation of momentum, in a closed system, the total momentum before and after a process remains constant.
A fuel-filled rocket that is initially at rest expels hot gas as it burns its fuel. The gas has a momentum of 1500 kg m/s backward.
We are required to determine the momentum of the rocket.
Consider the fuel-filled rocket as a system.
We have: Momentum before the burn = 0 kg m/s (since the rocket was at rest initially)Momentum after the burn = momentum of the expelled gas
We can therefore say that the initial momentum of the system was zero (0), and after the burn, the total momentum of the system remains the same as the momentum of the expelled gas.
Therefore: Momentum of rocket = - momentum of expelled gas
The negative sign signifies that the rocket's momentum is in the opposite direction of the expelled gas.
Hence, the momentum of the rocket is -1500 kg m/s.
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What energy transformation takes place when you push a pencil off your desk? A. Mechanical energy transforms into kinetic energy. B. Potential energy transforms into nuclear energy. C. Potential energy transforms into kinetic energy. D. Kinetic energy transforms into potential energy.
Answers
When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.
The correct answer to the given question is option C.
Potential energy is the energy stored within an object because of its position or configuration.
In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.
As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.
Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.
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an object starts from rest and travels 100 m in 10 s. what will be the velocity of the object after 10 s
Answers
Answer:
10m/s (if the velocity is constant!!)
Explanation:
v=Δx/Δt=100/10=10m/s (if the velocity is constant!!) (i dont know if the letters are right in english sorry)
The Millenium Falcon is chased by the Imperial Forces. The ship is moving at a speed of 0. 587 c. Han Solo is shooting at the imperial fighters with his newly installed proton cannon purchased at the MSU Surplus Store for $20. 00 plus 6. 00% tax. The cannon emits protons at a speed of 0. 831 c with respect to the ship. What is the velocity of the protons in the resting frame of the movie audience in terms of the speed of the light when the cannon is shot in the forward direction? (Use positive sign for the forward direction, and negative for the backward direction. )
Tries 0/20
What is the velocity of the protons in the resting frame when the cannon is shot in the backward direction? (Use positive sign for the forward direction, and negative for the backward direction. )
Answers
The Millenium Falcon is chased by the Imperial Forces. The ship is moving at a speed of 0. 587 c. Han Solo is shooting at the imperial fighters with his newly installed proton cannon purchased at the MSU Surplus Store for $20. 00 plus 6. 00% tax. The cannon emits protons at a speed of 0. 831 c with respect to the ship.
With the use of Relativistic velocity addition formula we will find the velocity of proton in the resting frame of the movie audience in terms of the speed of the light when the cannon is shot in the forward direction
Formula is given as
v = (u+v')/(1+u*v'/\(c^{2}\))
Where
v = velocity of the protons in the resting frame of the movie audience
u = velocity of the Millennium Falcon with respect to the audience
v' = velocity of the protons with respect to the Millennium Falcon
c = speed of light
By putting all the values we get
v = (0.587c + 0.831c) / (1 + 0.587c*0.831c/\(c^{2}\))
v = (1.418c) / (1 + 0.486)
v = 0.942c
Hence, the velocity of the protons in the resting frame of the movie audience is 0.942 times the speed of light.
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I need help with this pls
Answers
I NEED THE RIGHT ANSWER ASAP IT NEEDS TO BE 100% ACCURATE NO LINKS !!!
What happens when multiple forces act on an object?
1: The object will move if the forces are unbalanced.
2: The object will always stay in place.
3: The object will always move.
4: The object will move if the forces are balanced.
Answers
Answer:
The object will move if forces are unbalanced
.The main reason for building large optical telescopes on the Earth's surface is: a. that there is a lot of money in science that needs to get spent
b. to collect as much light as possible from faint objects c. no reason at all just national pride
d. that the warm temperatures of the Earth's surface allow for easier telescope operation
Answers
The main reason for building large optical telescopes on the Earth's surface is to collect as much light as possible from faint objects.
Option B is the correct choice. Large optical telescopes are constructed on the Earth's surface primarily to maximize the collection of light from distant and faint celestial objects. By having a larger aperture, these telescopes can gather more photons, increasing the sensitivity and resolution of the observations.
The Earth's atmosphere also plays a significant role in the operation of optical telescopes. While it can introduce some challenges due to atmospheric turbulence, advancements in adaptive optics have helped mitigate these effects. The presence of an atmosphere also offers the advantage of filtering certain wavelengths, allowing astronomers to conduct observations in specific ranges of the electromagnetic spectrum.
Options A, C, and D are not accurate explanations for why large optical telescopes are built on the Earth's surface. The motivation behind constructing such telescopes is primarily driven by scientific goals and the desire to enhance our understanding of the universe through improved light collection capabilities
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A 58. 0 m length of insulated copper wire is wound to form a solenoid of radius 1. 9 cm. The copper wire has a radius of 0. 51 mm.
(a) What is the resistance of the wire?
(b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire?
(c) How long is the resulting solenoid?
(d) What is the self-inductance of the solenoid?
(e) If the solenoid is attached to a battery with an emf of 6. 0 V and internal resistance of 350 mO, compute the time constant of the circuit.
(f) What is the maximum current attained?
(g) How long would it take to reach 99. 9% of its maximum current?
(h) What maximum energy is stored in the inductor?
Answers
The resistance of the wire would be approximately 1.19 Ω.
To find the resistance of the wire, we need to know the resistivity of copper. At room temperature, the resistivity of copper is approximately 1.68 x 10 Ωm. We can use the formula for the resistance of a wire to find the resistance of this copper wire:
Resistance = resistivity x length / area
where the area of the wire is given by the formula for the area of a circle:
Area = π x radius²
Substituting the given values, we get:
Area = π x (0.51 x 10⁻³ m)² = 8.18 x 10⁻⁷ m²
Resistance = (1.68 x 10⁻⁸ Ωm) x (58.0 m) / (8.18 x 10⁻⁷ m²) ≈ 1.19 Ω
Therefore, the resistance of the wire is approximately 1.19 Ω.
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The electric field 1/3 of the way from a charge q1 to a charge q2 is zero. show answer no attempt how many times larger is q2 than q1 based on the previous statement?
Answers
The charge q2 is 1/2 times smaller than q1. This implies that q1 is twice the magnitude of q2.
Given that the electric field 1/3 of the way from a charge q1 to a charge q2 is zero. We can use the concept of Electric field and potential to find the ratio of q2 and q1.
The potential at any point from a point charge is given by the formula;
V = kq/r
where,V = potentialk = Coulomb's constantq = magnitude of the point charger = distance between the point charge and the point in question
The electric field is the negative derivative of the potential.
We can obtain the expression of the electric field by differentiating the expression of the potential using the expression below:
E = -dV/dr
where, E = Electric fieldr = distance between the point charge and the point in questiondV/dr = rate of change of the potential
Thus, the electric field 1/3 of the way from a charge q1 to a charge q2 is zero.
This implies that there is no potential difference between these points.
That is, the potential at the midpoint is equal to the average potential at the endpoints.
Since the electric field is zero, we can deduce that the potential at the midpoint is also zero. This implies that the average potential at the endpoints is also zero.
Therefore, we have;
V(q1) + V(q2) / 2 = 0
Substituting the expression of potential, we obtain;
kq1/r1 + kq2/r2 / 2 = 0
Multiplying by r1r2/2, we obtain;q1r2 + q2r1 = 0
Given that the point of interest is 1/3 of the way from q1 to q2, we can deduce that;r2 = 2r1
Substituting this in the equation above;q1(2r1) + q2r1 = 0q1 + 2q2 = 0q2 = -1/2 q1.
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Geothermal energy is an alternative energy source, although it is not resourceful enough to replace more than a minor amount of the Earth’s energy needs. Why is this?
Answers
Answer: However, it is not resourceful enough to replace more than a minor amount of the Earth's energy needs. Drilling through the Earth to reach areas hot enough to create steam is possible, but very expensive and difficult. .
Explanation:
QUICK: A circular loop of radius r is rotated through a magnetic field B, which of the following would increase the magnetic flux through the loop by a factor of 16?
SELECT ALL THAT APPLY
A. Doubling B and quadrupling r.
B. Quadrupling B and doubling r.
C. B remains constant and quadrupling r.
D. Doubling B and doubling r.
Answers
Imagine you inherit a farm and now have to purchase fertilizer for the farm. The farm is 340 acres and had corn planted the previous year. You must add fertilizer to the soil before you plant this year's crop. You go to the local fertilizer store and find SuperPhosphate-brand fertilizer. You read the fertilizer bag and can recognize from your high school chemistry class a molecular formula C*a_{3}*P_{2}*H_{14}*S_{2}*O_{21} (you don't understand anything else written on the bag because it is imported fertilizer from Japan). You must decide how much fertilizer to buy for application to your cornfields. If each bag contains 25 kg of fertilizer and costs $54.73, how many bags of fertilizer must you purchase, and how much will it cost you to add the necessary fertilizer to your fields ?
Answers
Total Cost is = $107,380 if The farm is 340 acres and had corn planted add fertilizer to the soil before you plant this years' crop.
What is called fertilizer?A fertiliser is a natural or artificial substance containing chemical elements (such as Nitrogen (N), Phosphorus (P) and Potassium (K)) that improve growth and productiveness of plants. Some synonyms include the terms "enrichment" or "plant nutrient".
Why is fertilizer important?Without fertilizers, nature struggles to replenish the nutrients in the soil. When crops are harvested, important nutrients are removed from the soil, because they follow the crop and end up at the dinner table. If the soil is not replenished with nutrients through fertilizing, crop yields will deteriorate over time.
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