Yes, (-)menthol and (+) menthol will have an α of the different magnitudes
What is menthol?
Menthol is an organic compound, more specifically a monoterpenoid, synthesized or extracted from the oil of field mint, peppermint, or other mints.It is a waxy, clear or white, crystalline substance that is solid at room temperature, Melt slightly on top.
The major natural form of menthol is (-)-menthol, which is assigned the (1R,2S,5R) configuration. Menthol has local anesthetic and anti-irritant properties and is commonly used to soothe minor irritations in the throat. Menthol also acts as a weak kappa opioid receptor agonist. The (+) and (-) enantiomers of menthol are the most stable of these due to their cyclohexane conformation. All three bulky groups can be placed at the equator if the ring itself is in the chair conformation.
Yes, (-)menthol and (+) menthol will have an α of the different magnitudes
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for orbits of greater altitude, is the period longer or shorter? is the speed faster or slower?
That period is longer as well as the speed is slower, according to the supplied statement.
What is speed and how is it used?An example of an amphetamine is speed. It's a stimulant for the nervous system that releases significant amounts of dopamine. Dopamine is a neurotransmitter in the brain linked to reward and pleasure. Amphetamines come in a variety of varieties.
What is street speed?Although it is occasionally used it to apply to certain other amphetamines, speed is the main thoroughfare for amphetamine sulphate. It typically appears as an off-white to pink powder and occasionally as crystals. It can also be found in the form of a paste, which is often white, grey, or brown in color and can be grippy and wet.
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PLEASE HELP!! 25 POINTS!!!
Please draw or show a picture of a free body diagram of a car slowing down.
a free body diagram of a car slowing down would typically include the following elements:
The car, represented by a rectangle or square
The ground or road, represented by a horizontal line or plane
An arrow pointing downward representing the force of gravity acting on the car
An arrow pointing horizontally to the right representing the force of friction acting on the car
An arrow pointing horizontally to the left representing the applied force or deceleration of the car
The diagram would also include any other relevant forces, such as air resistance or the force of the brakes, represented by additional arrows. It is important to label each force with its magnitude and direction to understand the forces acting on the car and how they affect its motion.
which of the following statement(s) is/are correct? i) stars like the sun generate energy through nuclear fusion. ii) the most stable nucleus in terms of binding energy per nucleon is 56fe. iii) the core of nuclear fission reactors consists of uranium enriched in 235u surrounded by a moderator which slows down the neutrons from the 235u.
The correct option is (ii) the most stable nucleus in terms of binding energy per nucleon is 56fe.
Excluding lighter nuclei, the average binding energy per nucleon is about 8 MeV.The maximum binding energy per nucleon occurs around the mass number A = 50 and corresponds to the most stable nuclei. The Fe56 iron nucleus is located near the peak with a value of binding energy per nucleon of approximately 8.8 MeV. It is one of the most stable nuclides in existence.Nuclei with very low or very high mass numbers have less binding energy per nucleon and are less stable because the lower the binding energy per nucleon, the easier it is to split the nucleus into its individual nucleons.Nuclei with low mass numbers can undergo nuclear fusion, where light nuclei fuse together under certain conditions so that the final product can have a higher binding energy per nucleon.Nuclei with high mass numbers can undergo nuclear fission, where the nucleus splits into two daughter nuclei with the release of neutrons. The daughter nuclei will have a greater binding energy per nucleon.To study more about nuclear fusion -
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Part A Complete the Part A Concept Map to describe the types of connective tissue found in the body Drag the appropriate labels to their respective targets. View Available Hint(s) Reset Help collagen and a few elastic adipose collagen reticular, elastic dense connective tissue connective tissue areolar that conveyis) fluid and strengthens) organs is/are matrix includes ground substance and the following fiber(s): that stor(s) fat and protect(s) organisare matrix includes ground substance and the following fiber(s): that attach() muss and bones is/are matrix includes ground substance and the following fibers): Sum Part B Complete the Part B Concept Map to indicate connective tissues' characteristic functions. Drag the appropriate labels to their respective targets. View Available Hints) Reset Help colagen only hyaline cartilage Inorganic salt connective tissue compact bone blood that transport(s) materials in a plasma matrix Ware the stores) minerals and anchoris) muscles are matrix includes nonbrous matrix includes ground substance and the following fiber(s) that covers and protects the end of long bones are mat includes ground susce and the following fibero): Submit
Three subgroups of connective tissue can also be distinguished: loose connective tissue, dense connective tissue, and specialized connective tissue. Extracellular matrix, collagenous, elastic, and reticular fibers make up loose connective tissue, which serves to hold organs in place.
Appropriate connective tissue is further classified into loose and dense connective tissues. Adipose, reticular, blood, bone, and cartilage are all types of specialized connective tissue. Any illness that affects the bodily tissues that link the body's structures together is referred to as a connective tissue disease. Collagen and elastin, two proteins, are the building blocks of connective tissues. The protein present in collagen
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a(n) 1.21 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. the composite system moves with a speed equal to one-third the original speed of the 1.21 kg sphere. what is the mass of the second sphere? answer in units of kg.
The mass of the second sphere is 2.42kg when a 1.21 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest.
Given mass of first sphere (m1) = 1.21kg
initial speed of second sphere (u2) = 0 as it is at rest
Let initial speed of first sphere = u1
let mass of second sphere = m2
speed of composite system after collision (v) = 1/3u1
We know from the conservation of momentum we have :
m1u1 = (m1+m2)v
1.21xu1 = (1.21+m2)x1/3u1
m2 = 3.63 - 1.21 = 2.42 kg
Hence the mass of second sphere = 2.42kg
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how many coulombs of electric charge are required to deposit 25.0 g cu(s) at the cathode in the electrolysis of cuso4(aq)?
75984 coulombs of electric charge are required to deposit 25.0 g cu(s) at the cathode in the electrolysis of cuso4(aq)
The molar. mass of Cu. is 63.5 g/mol
25.0 g Cu corresponds to 25/63.5 = 0.3937 mol
Cu ²+ + 2e- → Cu
1 mole of Cu is deposited by 2 moles of electrons.
0.3937 moles of Cu is deposited by 2 × 0.3937 = 0.7874 moles of electrons.
Coulombs of electric charge required = 0.7874 × 96500 = 75984 coulombs
A promising method for producing carbon-free hydrogen from nuclear and renewable sources is electrolysis. Water is split. into hydrogen. and oxygen by a process. called electrolysis. In a device known as an electrolyzer, this reaction occurs. The size of an electrolyzer can vary, from small, appliance-sized machinery that is ideal for small-scale distributed hydrogen production to big, central production facilities that could be connected directly to renewable or other non-greenhouse gas-emitting sources of energy generation.
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an inductor, a capacitor, and a resistor are all connected in series across an ac source. if the resistance, inductance, and capacitance are all doubled, by what factor does each of the following quantities change? indicate whether they increase or decrease: (a) the resonance angular frequency; (b) the inductive reactance; (c) the capacitive reactance. (d) does the impedance double?
(a) Angular frequency is halved by doubling the all parameters, like resistance, inductance and capacitance.
since all parameters are doubled.
we have,
[tex]R_{2[/tex] is [tex]2R_{2[/tex]
[tex]C_{2[/tex] is [tex]2C_{2[/tex]
[tex]L_{2[/tex] is [tex]2L_{2[/tex]
Since angular frequency ω is dependent on inductance L and capacitance C
ω= 1/√LC
1/√4
= 1/2
so, angular frequency is halved.
(b) inductive reactance does not change.
Xl= ωL
= 1/2×2
=1
(c) Capacitive reactance does not change.
Xc = ωC
= 1/2×2
= 1
So, capacitive reactance does not change.
(d) Impedance is doubled.
We have, Z = [tex]\sqrt{R^{2+(Xl-Xc)^{2}[/tex]
where z= impedance
R= Resistance
Xl = inductive reactance
Xc = capacitive reactance
So, after solution Z= 2
So, Impedance is doubled.
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a block of wood has specific gravity 0.80. when placed in water, what percent of the volume of the wood is above the surface?
20% of the total volume of a wood is above the surface.
Explain the term specific gravity?Specific gravity, also referred to as relative density, is a measurement of a substance's density in relation to water's density.The specific gravity may be calculated by dividing the substance's weight in grams by its volume in cc.An individual block of wood has a specific gravity of 0.80.
The ratio of the a material's density compared to that of a standard substance is its specific gravity, sometimes referred to as relative density.The term "buoyancy" refers to the upward force a fluid applies to a submerged item in a gravitational field.When an object is submerged in a fluid, the pressure applied to its bottom surface is greater than the pressure applied to its top surface because pressure in fluids increases with depth.Thus, 20% of the total volume of a wood is above the surface.
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suppose that a polar bear's foot has a diameter of . what is the angular size of the foot at an angular-diameter distance of ?
3.4×10^-4 rad is the minimum possible angular size of the bear's foot.
Here, if the distance dA reaches infintiy then at such a limit the angular size will be 0.
What is angular size ?Angular size is the angle that is formed when two days meet at a single point. Angular size is the same as angular diameter.
Angular size ∅= linear size D / distance d
Calculation:For small angles Ф, the diater of the polar bear's foot will be:
l=daФ
=Ф=1/da
=Ф=0.1 /0.5×10³=3.2×10∧-4 rad
Thus, minimum possible angular size of the bear's foot will be hen the distance da approaches infinity. For such a limit, the angular size will be Ф=0
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a 1.2 kg book is lying on a 0.77 m -high table. you pick it up and place it on a bookshelf 2.0 m above the floor. during this process, how much work does gravity do on the book?
According to the given statement 20.49J work does gravity do on the book.
What is work in a physics?When an object changes over a range by an external force, at least a portion of that force must be applied there in plane of the displacement. This is known as work in physics. Stimulates into an object to cause some displacement is what is referred to as work. The ability to perform tasks is referred to as energy. The work is consistently the same. ’s kinetic energy are two examples of the various types of energy. Joule is the SI sequence of tasks (J). The work accomplished by a force with one newton creating a motion of one meter is known as a joule.
Briefing:W=Fd
W=mgd=mgh
W=(1.7kg)(9.8m/s^2)(2m-0.77m)
W=20.49J
The work is equal to 20.49J.
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8.a bowling ball rolls up a ramp 0.5 m high without slipping to storage. it has an initial velocity of its center of mass of 3.0 m/s. (a) what is its velocity at the top of the ramp? (b) if the ramp is 1 m high does it make it to the top?
(a) The velocity at the top of the ramp is 1.41 ms⁻¹. (b) The ball does not make it to the top as the value of the square root is negative.
Given:
Height of the ramp (h) = 0.5 m
Initial velocity (v₀) = 3.0 m/s
Acceleration due to gravity (g) = 9.8 m/s²
(a) From the conservation of energy:
Total Mechanical Energy at the bottom = Total Mechanical Energy at the top
The potential and kinetic energy is given by:
Kinetic Energy at the bottom = 0.5 × m × v₀²
Potential Energy at the top = m × g × h
Kinetic Energy at the top = 0.5 × m × v²
Equating potential and kinetic energy:
(0.5) × m × v₀² = m × g × h + (0.5) × m × v²
v² = v₀² - 2 * g * h
v = √(v₀² - 2 × g × h)
v = √(3.0² - 2 × 9.81 × 0.5)
v = 1.41 ms⁻¹
Hence, the velocity at the top of the ramp is 1.41 ms⁻¹.
(b)
The speed at a height of 1 m is given by:
v = √(v₀²×g×h)
v = √(3²×-9.8×1)
v = √(-5)
Since the square root cannot be negative.
Hence, the ball does not make it to the top.
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You make yourself and your friend a cup of hot chocolate and add vanilla ice cream. You quickly enjoy yours, but your friend takes a long time to come, so you get to observe theirs as a science experiment.
In what direction does the heat flow? (2 points)
Describe how the kinetic energy of the hot chocolate changes once you add the ice cream. (2 points)
How does the kinetic energy of the ice cream change once you put it in the hot chocolate? (2 points)
What happens to the temperature of each substance? Be specific. (2 points)
When will the temperature of the ice cream and the hot chocolate stop changing? (2 points)
Answer:
takes a long time to come, so you get to observe theirs as a science experiment.
Explanation:
The Moon does not crash into Earth because: its in Earth's gravitational field the net force on it is zero it is beyond the main pull of Earth's gravity its being pulled by the Sun as well as by Earth none of the above
It is freely falling but it has a high tangential velocity.
The correct answer is D.
Is the net force on the moon zero?
There cannot be zero net force acting on the Moon. There will be no circular orbit since there will be no net force acting on the Moon. The motion will be carried out by the Moon.
Why does the moon not have a gravitational pull?
The gravity at the Moon's surface is about 1/6th as strong as that at Earth, or 1.6 meters per second every second. The Moon's surface gravity is weaker because it has a smaller mass than Earth. The gravity at the Moon's surface is about 1/6th as strong as that at Earth, or 1.6 meters per second every second.
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I understand that the question you are looking for is
The Moon does not crash into the Earth because:
(a) the net force on it is zero.
(b) it is beyond the main pull of the Earth's gravity.
(c) it is being pulled by the Sun as well as by the Earth.
(d) it is freely falling but it has a high tangential velocity.
Dynamic Study Modules provide personalized content to target a student's strengths and w Understanding by presenting relevant materials from the text. Part B What is required to access Dynamic Study Modules?
O Enrollment in a course that uses Mastering with Dynamic Study Modules
O A current Mastering username and password
O Previously signing in from a desktop, if using DSM on the mobile app
O All of the above
Option D; ( All of the above) Enrollment in a course that uses Mastering with Dynamic Study Modules, A current Mastering username and password and Previously signing in from a desktop, if using DSM on the mobile app.
Electrons serve as the charge carriers in a wire, and the amount of charge moving through any point of the wire in a given amount of time is measured as electric current. In direct current, the direction of the electric charges is not periodically reversed, although it is in alternating current. In many situations, the flow of positive charge in electrical circuits—the direction opposite to the actual drift of electrons—is assumed to be the direction of the current. When defined in this way, the current is known as conventional current. Any movement of electric charge carriers, such as ions (atoms that have gained or lost one or more electrons), holes (possibly thought of as electron deficiencies), or subatomic charged particles (e.g., electrons with a negative charge and protons with a positive charge) constitutes an electric current.
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Using the picture below, what must take place for the book to move in the direction of the movement arrow?
-A force must be applied to the top of the book to make sure that it is equal to the force of friction.
-The friction of the table must increase and the friction of the book decrease to allow for movement.
-The friction must be removed for any movement to take place.
-A force in the direction of the desired movement must be applied causing the forces to be unbalanced.
For the book to move in the direction of the movement arrow, a force in the direction of the desired movement must be applied causing the forces to be unbalanced.
option D is the correct answer.
What is the Newton's first law of motion?Newton's first law of motion states that an object at rest or uniform motion in a straight line will continue in that path unless it is acted upon by an external force and it will move in the direction of the applied force.
Also, from Newton's second law of motion, which states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.
Mathematically, Newton's second law of motion is written as;
F (net) = ma
F - Ff = ma
where;
F is the applied force on the objectFf is the force of friction opposing the motion of the objectm is the mass of the objecta is the acceleration of the object.Thus, for the book to move, the force of friction must be overcame by the applied force and this create an unbalanced force acting on the book. Also, the book will move in the direction of the net force acting on it.
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Which statement is true of a
simple machine?
A. Simple machines are used to create friction.
B. Simple machines have many moving parts.
C. Simple machines are very basic and make
work easier.
D. Simple machines are always electrical.
A machine is a physical system that use power to exert forces, regulate movement, and carry out an activity. Simple machines are very basic and make work easier.
What is machine ?
A machine is a physical system that use power to exert forces, regulate movement, and carry out an activity. The phrase is frequently used to describe both natural biological macromolecules, such as molecular machines, and man-made devices, such as those using engines or motors.
Any tool that simplifies work by adjusting a force is a machine. Every time a force pushes an item over a distance, work is done. Work = Force x Distance is an equation that measures the amount of work that is completed. You exert force on a machine when you operate it.
Simple machines are often used to lift big items with a pulley, to ride a bicycle, or to cut with a pair of scissors. It should be noted that a machine cannot be both a force multiplier and a speed multiplier.
Thus, option C is correct.
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a figure skater is spinning slowly with arms outstretched. she brings her arms in close to her body and her moment of inertia decreases by 1/2. by what factor does her rotational kinetic energy change?
The moment of inertia is in half as she draws her arms closer to her torso. A double increase in angular velocity.
What is the straightforward meaning of velocity?The shift that an object / particle experiences with regards to time is expressed vectorially as velocity. The meter / second (m/s) is the accepted unit of flow speed (also known as speed).
How do you calculate velocity?The vector quantity velocity (v), denoted by equation v = s/t, quantifies displacement (not change in position, s), over change in time (t). Velocity (or rate, ) is a scalar number, denoted by the formula r = d/t, that quantifies the average distance (d) so over change in time (t).
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why is there error between a vector addition and displacement of the actual trip taken
No doubt your curriculum materials have an adequate discussion of error and how it is determined.
What is curriculum materials ?
a) The error between two values is the difference between an approximation and the true value. You determine it by subtracting the true value from the approximation.
In the case of a trip, you need to decide what is the "true value" and what is the "approximation." The wording here suggests that the "displacement of the actual trip taken" is to be considered the "true value." Then, you determine the error by subtracting that displacement from the "vector addition."_
b) In Euclidean geometry, a vector is a straight-line path. In the real world, we use the term vector to refer to the direction taken by an object, generally along a curved path at some relative distance from the Earth's surface. The direction reference may change along the path, so that following a given "vector" will usually result in a curved path (not a great circle) on the Earth's surface.
__
c) The curved path from a point A to a point B on the Earth's surface will always be longer than the straight-line path between the same two points. In the case of points on opposite sides of the world, the straight-line path is through the center of the Earth, whereas the "vector addition" will be some path along the surface of the Earth.
You need to decide the meaning of "actual trip taken," as any actual trip will generally involve all the changes in direction and ups and downs along the way. If you consider "the actual trip taken" to be the difference between starting and ending coordinates, then the "vector addition" will always be longer.
Complete question:Explain how you would determine how much error there is between a vector addition and the displacement of the actual trip taken. Why aren’t vectors true straight - line paths in the real world? Would you expect the vector addition to be larger or smaller than the actual trip taken? Why?
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A 4.0 m long thin rod is pinned so that it spins about its center. The rod has a rotational inertia of 8.0 kg m2 about this center. The rod has two 3.0 kg masses attached at each end. What force F must be applied to one end to make the system rotate with an angular acceleration of 4.0 rad/s2 about its center?
The force F must be applied to one end to make the system rotate with an angular acceleration of 4.0 rad/s² about its center is 8 N.
What is the force that must be applied at one end of the rod?
The force that must be applied at one end of the rod to make the system rotate with an angular acceleration of 4.0 rad/s² about its center is calculated by applying the principle of conservation of angular momentum.
Mathematically, the formula for angular momentum is given as;
Fr = Iα
where;
F is the applied force r is the perpendicular distance I is the moment of inertia of the rodα is the angular acceleration of the rocF = ( Iα ) / ( r )
The force F must be applied to one end to make the system rotate with an angular acceleration of 4.0 rad/s² about its center is calculated as;
F = ( 8 kgm² x 4 rad/s² ) / ( 4 m )
F = 8 N
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) a 4.0-kg object is attached to a spring of spring constant 10 n/m. the object is displaced by 5.0 cm from the equilibrium position and let go. what is the period of vibration?
x(t)=Acos(ωt) The amplitude of the periodic motion, x (t) = A cos |A|, is the maximum magnitude of the object's displacement. is the angular frequency of motion given by 2T 2 T, where T is the period of periodic motion, or the time required to complete one full cycle.
How to Calculate the Amplitude of Simple Harmonic Motion ?
Periodic motion is defined as an object that moves back and forth over the same path. A restoring force acts to bring the moving object back to its equilibrium position. A simple harmonic motion occurs when the restoring force is proportional to an object's displacement.
The following equation describes a simple harmonic motion.
x ( t ) = A cos ( t ) | A | is the periodic motion's amplitude, which is the maximum magnitude of the object's displacement. is the angular frequency of motion given by 2 / T, where T is the period of periodic motion, the time required to complete one full cycle.
Therefore, the total period of vibrations in harmonic motion :4 | A | gives the total distance traveled in one complete cycle as an object oscillates.
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Which of these ions triggers exocytosis of synaptic vesicles.
Ca ions bind to a complex of proteins responsible for the exocytosis of synaptic vesicles
[tex]Ca^{2+}[/tex] triggers exocytosis of synaptic vesicles.
The primary organelle for the release of neurotransmitters is the uniform, ≈40 nm-diameter synaptic vesicle. Numerous synaptic vesicles packed with neurotransmitters can be found in hundreds of presynaptic nerve terminals. A presynaptic plasma membrane depolarization caused by an action potential causes [tex]Ca^{2+}[/tex]-channels to open, allowing [tex]Ca^{2+}[/tex] to enter the nerve terminal and cause synaptic vesicles to exocytose, releasing their neurotransmitters into the synaptic cleft. By attaching to synaptotagmin, [tex]Ca^{2+}[/tex] initiates exocytosis. Following exocytosis, vesicles are recycled, re-endocytosed, and refilled with neurotransmitters.
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Question 2 4 pts Goals that are short-term, specific, and moderately challenging lead to
O greater success
O self-actualization
O increased internal attributions.
O increased external attributions.
Short-term, precise, and moderately difficult goals are more likely to be achieved.
The current work connects goal setting to transformational leadership, whereas leading through goals is typically linked with a task-oriented leadership style. Employees participated in a two-time point online survey to learn more about how transformational leadership affects followers' commitment to the firm, work happiness, and proactive behavior. Results show that transformative leaders have an impact on how much followers value organisational goals and believe they are attainable. This objective attribute transmission of transformational leadership's impact on followers' work attitudes and proactive behaviour was discovered through many mediation analyses. Goal significance and goal attainability, however, appear to be of varying importance for the various outcomes.
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Label the structures of the vertebra. Lumbar vertebra Transverse process 1 Vertebral foramen 5 DONE FEATURES Body of vertebra Spinous process Superior articular process Superior view Pedicle Inferior articular procOSS Vertebral arch Lateral view Lamina < Prev 42 of 50 !!! Next >
There are five lumbar vertebrae situated in the lumbar region of the spine.
Brief about five lumbar vertebrae situated in the lumbar region?
There are five lumbar vertebrae situated in the lumbar region of the spine.It has large ,kidney shaped body.The vertebral foramen is triangular in shape.It has a short spinous processes situated posterior to the body .The pedicle arises from the body of the vertebra and joins with the lamina to form vertebral arch.The lamina is the portion of bone which attaches spinous process with the vertebral arch .The superior and inferior articular processes have facets for articulation with the adjacent vertebrae.The superior and inferior articular processes are seen in lateral view of the vertebra.Therefore, There are five lumbar vertebrae situated in the lumbar region of the spine.
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what device in a laser printer provides voltages to the corona wires? group of answer choices acps dcps hvps corona assembly
HVPS is the device in a laser printer provides voltages to the corona wires.They operate by positively charging a drum with a heated wire.
which is subsequently passed over by a laser that reverses the charge where it lands. The picture or text that will be printed is represented by the portions of the drum that are now negatively charged.The toner particles adhere to the negatively charged regions of the drum when a toner roller is moved over it. Electrical stimulation known as high-voltage pulsed stimulation (HVPS) is used to maintain and extend range of motion, avoid or delay muscular spasm, and retrain muscles..In a corona discharge, the neutral fluid, generally air, is ionized to produce an area of plasma surrounding the electrode, which allows a current to flow from the electrode with a high potential into the plasma-filled region.
complete question:
What device in a laser printer provides voltages to the corona wires?
A. Corona assembly B. ACPS C. DCPS D. HVPS
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two carts mounted on an air track are moving toward one another. cart 1 has a speed of 0.9 m/s and a mass of 0.54 kg. cart 2 has a mass of 0.67 kg. (a) if the total momentum of the system is to be zero, what is the initial speed (in m/s) of cart 2? (enter a number.)
Answer:
v=0.725
Explanation:
p=mv so momentum of cart 1 is 54x0.9=
0.486 kg•m/s,,, cart 2 has a momentum of 0.67v according to the formula for momentum, so we know that
0.67v+0.486=0.0
now subtract 0.486 from each side to
get
-0.486=0.67v
divide by 0.67 on each side to get
v=0.725
a 5.0 kg obkect slides fown a surfaced incline at an angle of 30 degrees from the horizontal. The total distance moved by the object along the plane is 10 meters. The work done on the object by the normal force of the surface is:_____.
a. 0.25 kJ
b. zero
c. 0.50 kJ
d. 0.43 kJ
e. 0.58 kJ
B. Zero, The work done on the object by the normal force of the surface is zero. work done is measured in joules (J) and force is measured in newtons (N).
How to solve?The body is inclined at θ=30°,
s=10m, m=5kg
Work done by the object = FsCosθ
but the surface is a friction-less, this means coefficient of friction =0
F=μR
F=0*R
F=0
W=FScosθ
W=0*SCosθ
Work done =0
What is the difference between work and Work done?There is connection between work and energy, in a sense that when there is a net force doing work on an object, the object's kinetic energy will change by an amount equal to the work done.
What is Work done on the system?If force is applied on a system and the it experiences a displacement then the work is said to be done on the system. If a system applies a force on something and causes displacement then the work is said to be done by the system.
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an electromagnetic wave in vacuum has an electric field amplitude of 531 v/m. calculate the amplitude of the corresponding magnetic field.
The amplitude of the corresponding magnetic field is B= 1.77x10^-6 T
Briefly:-It is given that,
The amplitude of an electromagnetic wave, E = 10 V/m
Formula for the relationship between magnetic field and electric field amplitude are given by;-B = E/c
c being the speed of light
B = 531/3.0x10⁸
B= 1.77x10^-6 T
How is the magnitude of an electromagnetic wave determined?The equation k = 2/, where is the wave's wavelength, yields the wave number. The formula for the frequency of a wave is f = /2, where is the angular frequency. The speed of each periodic wave is determined by multiplying its wavelength by its frequency. v = λf.
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a plane electromagnetic wave with wavelength 500 nm travels in free space in the direction ( 3/2, 1/2, 0) with its electric field ~e, of amplitude 200 v/ m, traveling along the z direction. write the expressions for the electric and magnetic fields associated to this wave.
v = λf. Any electromagnetic wave traveling across empty space will travel at the speed of light, which is 3*108 m/s.As long as f = c, electromagnetic waves can be of any wavelength or frequency.
How is the path of an em phenomena determined?An E&M wave's direction of propagation can be determined by pointing the right hand's fingers in the direction of the field, curling them in the direction of magnetic field, then pointing the thumb in that direction.
What long does it take an electromagnetic signal to move one meter through empty space?In vacuum, all electromagnetic waves move at the same speed.About 300 million metres every sec (3.0 x 108 m/s) is what is known as the speed of light.
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how much work is done by the environment in the process shown in the figure?
Work done by the environment is [tex]-1J[/tex]
Initial kinetic energy, [tex]K_{i} =4J[/tex]
Initial potential energy, [tex]U_{i} =1J[/tex]
Final potential energy, [tex]U_{f} =2J[/tex]
Final kinetic energy, [tex]K_{f} =1J[/tex]
Final thermal energy, [tex]E_{th} =1J[/tex]
The work that an object can perform as a result of its mobility is measured by its kinetic energy.
The entire energy in any process is always conserved, according to the law of energy conservation. As a result, the process's final kinetic energy is computed as
[tex]K_{i} + U_{i} + W_{ext} = K_{f} + U_{f} + E_{th}[/tex]
Substituting the values from the energy bar chart given,
[tex]4+1+ W_{ext}=1+2+1[/tex]
[tex]W_{ext}= -1J[/tex]
In physics, Work is the energy transferred to or from an object thru the application of force alongside a displacement. it's miles a trendy mechanical amount. In its only form, for a regular pressure aligned with the path of motion, the paintings equal the product of the force of electricity and the gap traveled. A pressure is stated to do positive paintings if while carried out it has a thing within the path of the displacement of the factor of software. A force does bad work if it has an issue contrary to the direction of the displacement on the factor of application of the force.
As an example, whilst a ball is held above the floor and then dropped, the work performed via the gravitational pressure on the ball as it falls is wonderful and is the same as the load of the ball (a force) accelerated with the aid of the distance to the ground (a displacement). If the ball is thrown upwards, the paintings performed with the aid of its weight are negative and are identical to the burden accelerated by the displacement in the upwards route.
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Complete Question:
How much work is done by the environment in the process shown in the figure? Is energy transferred from the environment to the system or from the system to the environment?
8. do the earth and the moon always cast shadows? what do we call the occurrence where the earth passes within the shadow of the moon? when the moon passes within the shadow of the earth?
Yes, they both cast shadows. A eclipse occurs when one enters the shadow of the other.
Solar eclipse: Earth in shadow of Moon.
Lunar eclipse: Moon in shadow of Earth.
A solar eclipse is the result of one celestial body being completely or partially obscured by another celestial body along the line of sight of an observer. A solar eclipse occurs when the moon passes between the earth and the sun, obscuring all or part of the sun's disk. A lunar eclipse occurs when the Moon passes through the Earth's shadow, making the Moon's surface completely or partially obscured.
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