The reactivity phenomenon of self-monitoring procedures has been shown to Option C:both increase desired behaviors and decrease undesired behaviors.
Self-monitoring, a term coined by Mark Snyder in the 1970s, refers to the degree to which individuals keep an eye on how they come across, how they act expressively, and how they act emotionally nonverbally. According to Snyder, human beings generally differ significantly in their capacities and motivations for engaging in expressive controls (see dramaturgy).
Self-monitoring is a personality feature that is used to describe the capacity to control conduct to meet social circumstances. In order to assure proper or desired public appearances, people who are concerned with their expressive self-presentation (see impression management) prefer to pay great attention to their audience. Self-monitors make an effort to comprehend how other people and groups will view their behaviour. Some personality types commonly act spontaneously (low self-monitors) and others are more apt to purposely control and consciously adjust their behavior (high self-monitors).
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what frequency is received by a person watching an oncoming ambulance moving at 130 km/h and emitting a steady 800-hz sound from its siren? the speed of sound on this day is 341 m/s.
The frequency received by the person is 643 Hz.
The Doppler effect states that the frequency of a sound wave is changed due to the motion of the source and the observer. The frequency of the sound wave will decrease as the source moves away from the observer and increase as it approaches.
The frequency received by the person can be calculated using the following formula:
F = (V + v) / (V - v) * F0
Where F is the frequency received by the observer, V is the speed of sound, v is the speed of the source and F0 is the frequency of the sound emitted by the source.
In this case, V = 341 m/s, v = 130 km/h = 36.1 m/s, F0 = 800 Hz.
Substituting these values into the formula, we get:
F = (341 + 36.1) / (341 - 36.1) * 800 = 643 Hz.
Therefore, the frequency received by the person is 643 Hz.
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find the intensity of a 1.0- mw class 2 laser with beam diameter 2.4 mm .
The intensity of laser beam is [tex]$318.2 \mathrm{~W} / \mathrm{m}^2$[/tex].
What is intensity?
In physics, the power transferred per unit area is known as the intensity or flux of radiant energy, where the area is measured on a plane perpendicular to the direction of the energy's propagation. In the SI system, it has units watts per square metre, or kg⋅s⁻³ in base units.
The standard expression for the intensity of beam is given as,
I = P/A
Here, P is the power of the laser and A is the cross-sectional area of the beam. And its value is,
[tex]$$\begin{aligned}& A=\pi / 4 \times d^2 \\& A=\pi / 4 \times\left(2 \times 10^{-3}\right)^2 \\& A=3.142 \times 10^{-6} \mathrm{~m}^2\end{aligned}$$[/tex]
Then intensity is,
[tex]$$\begin{aligned}& I=\left(1 \times 10^{-3}\right) /\left(3.142 \times 10^{-6}\right) \\& I=318.2 \mathrm{~W} / \mathrm{m}^2\end{aligned}$$[/tex]
Thus, the intensity of laser beam is[tex]$318.2 \mathrm{~W} / \mathrm{m}^2$[/tex].
Complete question: Lasers are classified according to the eye-damage danger they pose. Class 2 lasers, including many laser pointers, produce visible light with no greater than 1.0 mW total power. They're relatively safe because the eye's blink reflex limits exposure time to 250 ms.Find the intensity of a 1-mW class 2 laser with beam diameter 24 mm .
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a boat (with a flat bottom) and its cargo weigh 5,800 n. the area of the boat's bottom is 9 m2. how far below the surface of the water is the boat's bottom when it is floating in water?
The required height above which boat's bottom floats is 6cm.
The upward force exerted by the liquid opposes the weight of the object immersed in the liquid. The pressure at the bottom of an object immersed in liquid is always greater than at the top. A fluid pressure differential produces a net upward force on an object. This upward force is called lift. To fully understand the concept of buoyancy, we need to understand density and relativity.Buoyancy depends on two important factors.Liquid density.Body volume.Example - A ship is designed to be lifted very high, but has a flat, hollow bottom and is relatively less dense than water. Therefore, the ship displaces as much water as it needs, so it can easily float.
Well buoyancy = weight of displaced water = 5800 N
1 m3 of water has a mass of 1000 kg so weight 1000 x 9.81 = 9810 N
therefore volume of water displaced = 5800 / 9810 m3
44 Required depth = volume/floor area = volume/9 (5800/(9810×9))m=0.06m=6cm
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4. an ambulance approaches you with its sirens blaring. the original frequency of the siren is 3000 hz. you hear the siren at 3273 hz. use 343 m/s as the speed of sound in air. after the ambulance passes you what frequency will you hear the siren at?
If an ambulance approaches you while sounding its sirens, we will listen for it on the 314Hz frequency. The siren's original frequency is 3000 hertz. The siren can be heard at 3273 hertz and use speed of light.
The frequency of an event is its repetitions per unit of time. For clarification, it is sometimes referred to as temporal frequency and is separate from angular frequency. One event occurs every second, or one hertz (Hz), when measuring frequency. Speed must be a scalar variable because there is no directional component. The total distance travelled and the total time needed to travel that distance are used to compute average speed in physics.
frequency = 3000*343/3273
frequency = 314.3 Hz
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you have a pendulum clock made from a uniform rod of mass m and length l pivoting around one end of the rod. its frequency is 1 radian/sec. the pivot breaks. though the mass change is negligible, you need to rehang the rod halfway between the old pivot point and the middle of the rod. the new oscillation frequency is:
The new oscillation frequency is 1.07 rad/sec when the pendulum is rehanged to the rod halfway between the old pivot point and the middle of the rod.
What is the Period of oscillation?
The period of oscillation is the shortest amount of time after which the motion of the particle repeats. The period of oscillation is the length of time it takes for a particle to complete its to-and-fro motion.
What is a pendulum?A body suspended from a fixed point so that it can move back and forth while being pulled by gravity is called a pendulum. A pendulum's whole back-and-forth oscillation has a consistent time interval.
Calculations:
Period of pendulum T = 2 × √I/mgd
Where,
I = moment of inertia
L = length of the pendulum
m = mass
d = distance or L/2
g = acceleration due to gravity.
When pivoted at one end = I = 1/3mL²
When pivoted at other end = f = 1/2π × √mgd/I
f= 1/2π × √(mgL/2)/(1/3 mL²)
f= 1/2π × √ (3g)/(2L) -------------------- (i)
Now when pivoted mid way
I' = mL²/12 + m (L/4)²
I' = mL²/12 + m L²/16
I' = 7mL²/48
Thus here d= L/4
f' = 1/2π × √(mgL/4)/(7/48mL²)
1/2π × √(12g/7L) ----------------------(ii)
Then, f'/I = {1/2π × √(12g/7L)}/{1/2π × √ (3g)/(2L)}
= √ 1.14
~ 1.07 rad/sec.
Hence, the new oscillation frequency is 1.07 rad/sec when the pendulum is rehanged to the rod halfway between the old pivot point and the middle of the rod.
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consider a young globular star cluster where all the cluster stars formed at about the same time. if you were to observe this star cluster over several billion years, you would see
Over the course of many billion years, if you were to monitor this star cluster, you would initially see a lot of supernovae, then none.
Describe a supernovae.The enormous stellar explosion known as a supernova. Supernovae come in a variety of forms, according to scientists. In the final phase of the lives of huge stars which are least eight times bigger than our Sun, one form of supernova known as a "core-collapse" supernova occurs.
What two types of supernovae are there?Supernovae may be split into two major types, Type I and Class Ii, depending to the way wherein they detonate. In addition to being up to three times lighter than Type II supernovae, Type I supernovae are distinct than Iii supernovae in that its spectra lack hydrogen lines.
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imagine the speed of light in antoher universe to be only 200m/s. two cars are teaveling along a high3ay in opposite directions. car 1 is traveling 50m/s, and car 2 is traveling 70m/s. how fast does person ridingin cqr 1 measure person riding in car 2 to be traveling?
The person riding in car 1 would measure the person riding in car 2 to be traveling at a speed of 63.91m/s.
If the speed of light in another universe is 200m/s and two cars are traveling in opposite directions along a highway, the speed at which a person riding in car 1 measures the person riding in car 2 to be traveling can be calculated using the following formula:
v' = (v + v0)/(1 + vv0/c²)
where v' is the measured speed, v is the actual speed of the object, v0 is the speed of the observer, and c is the speed of light in the given universe.
In this case, the actual speed of car 2 is 70m/s and the speed of car 1 is 50m/s. Plugging these values into the formula, we get:
v' = (70 + 50)/(1 + 70 × 50/200²) = 120/(1 + 3500/40000) = 120/1.875 = 63.91m/s.
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Identify the primary functions of areolar connective tissue. Select all that apply.
O Connects muscle to bone
O Protects the epidermis
O Supports epithelium
O Resists compression
O Connects different tissue types
Submit Request Answer
The primary functions of areolar connective tissue is to support epithelium and connect different tissue types.
Areolar connected tissue is the most abundant tissue in the human body.
It's primary function is to support the epithelium and connects the different type of tissues. This is why it is called a type of connective tissue.
Connective tissue is a tissue that connects to other type of tissues. Areolar connected tissue contains collagen elastic and reticulum fibres which are randomly distributed in all the direction which helps to provide a support for the epithelium and connect the tissues together.
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Matter can undergo chemical reactions and nuclear reactions. Which
statement is true for both types of reactions?
O A. Atoms are rearranged.
B. New types of compounds are formed.
C. The products are different from the reactants.
OD. New types of atoms are formed.
SU
The statement that is true if matter undergoes both chemical and nuclear reaction is that atoms are rearranged (option A).
What is a chemical reaction?A chemical reaction is a process, typically involving the breaking or making of interatomic bonds, in which one or more atoms or substances are changed into others.
Also, a nuclear reaction is a process such as the fission of an atomic nucleus, or the fusion of one or more atomic nuclei and/or subatomic particles in which the number of protons and/or neutrons in a nucleus changes.
In a nuclear reaction, the products may contain a different element or a different isotope of the same element.
This suggests that are atoms are rearranged in both chemical and nuclear reactions.
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what is the driver doing when they are holding their foot over top of the accelerator but not touching it?
Need help please help
Work = (force) x (distance)
Force exerted on the box = 10 Newtons
Dictance the box travels = 6 meters
Work = (force) x (distance)
Work = (10 N) x (6 meters)
Work = 60 Newton-meters
Work = 60 Joules (A)
Mass of the box . . . . . . .. |
Coefficient of friction . . . | We don't care about
Force of friction . . . . . . .. | any of these things.
Color of the box . . . . . . . | They don't matter
Price of the box . . . . . . .. | or make any difference.
Contents of the box . . .. |
Temperature of the box.|
Dimensions of the box .. |
Age of the box . . . . . . . . |
the spool has a mass of 100 kg and radius of gyration about its mass center of . determine the smallest coefficient of static friction that will prevent slipping on the rail at a. what is the angular acceleration of the spool?
Minimizing static friction coefficient to prevent slipping if the turntable had experienced radius of gyration continuous angular acceleration when it was at rest.
What is meant by gyration radius?In general, the radius of gyration is the distance from a body's center of mass at which the entire mass could be concentrated without changing the body's moment of rotational inertia about the axis through the center of mass.
What does Formula K for radius of gyration mean?Equation for Radius of Gyration
The following is the formula for moment inertia in terms of gyroscope radius: I is the moment of inertia and m is the body's mass, and I = mk2 (1). The radius of gyration is given as follows as a result. k = I m ( 2 ) ( 2 ).
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a satellite orbiting earth at an orbital radius r has a velocity v. what would the velocity be if the satellite is moved to an orbital radius of 6r?(1 point)
The velocity of the satellite is V = [tex]\frac{V}{\sqrt{6} }[/tex]
What is orbital velocity?The speed at which one body orbits the other body is known as the orbital velocity. The term "orbit" refers to an object's consistent circular motion around the Earth. The distance between the object and the earth's center determines the orbit's velocity.
In contrast to the orbital velocity, the angular velocity of the revolving disc is constant at all mass sites (of which the disc is composed). The orbital velocity, on the other hand, rotates the disk in a different direction at each site and is tangential to the circular orbit.
We can derive the mathematical equation of orbital velocity :
v = [tex]\sqrt{\frac{GM}{r} }[/tex]
where, v = orbital velocity
G = gravitational constant
M = mass of the satellite
r = radius
V = [tex]\sqrt{\frac{GM}{6r} }[/tex]
V = [tex]\sqrt{\frac{1}{6} }[/tex] × [tex]\sqrt{\frac{GM}{r} }[/tex]
Thus we can write it as:
V = [tex]\frac{V}{\sqrt{6} }[/tex]
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when leafs are placed in tense heat and pressure they becomes fossils by appearing on rocks as a thin dark image. this is called
When leafs are placed in tense heat and pressure they becomes fossils by appearing on rocks as a thin dark image, this is called as taphonomy.
When covered, natural remaining parts enter a long and complex interaction by which their substance is changed into fossil structure. The investigation of this cycle is called taphonomy. It covers with the investigation of diagenesis, the arrangement of cycles that transform residue into rock.
A few fossils are protected as movies of carbon under the intensity and tension of profound entombment. For an enormous scope, this makes coal beds. Numerous fossils, particularly shells in youthful rocks, go through some recrystallization in groundwater. In others their substance is broken down, leaving open space (a shape) that is topped off with minerals from their environmental factors or from underground liquids (framing a cast).
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(Complete question) is:
When leafs are placed in tense heat and pressure they becomes fossils by appearing on rocks as a thin dark image. this is called as ______.
Label the parts of the transverse wave. amplitude: crest : trough: wavelength:
A transverse wave oscillates perpendicular to the direction of energy transfer. A = Crest, B = trough, C = Amplitude, and D = Wavelength.
What is a transverse wave?
In physics, A wave whose oscillations are perpendicular to the direction of the wave's advance is called a transverse wave. This is the difference from a longitudinal wave which travels in the direction of its oscillations. Water waves are samples of a transverse wave. A simple example is given by the waves that can be built on a horizontal length of the string by anchoring one end and moving the other end up and down.
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Which of the following correctly lists our "cosmic address" from small to large?
a. Earth, solar system, Milky Way Galaxy, Local Group, Local Supercluster, universe
b. Earth, solar system, Local Group, Local Supercluster, Milky Way Galaxy, universe
c. Earth, Milky Way Galaxy, solar system, Local Group, Local Supercluster, universe
Our "cosmic address" from small to large are earth, solar system, milky way galaxy, local group, local supercluster, universe (option A)
The "smallest" is earth, it is the planet where we live and the third of the eight planets in the solar system.
The solar system is a collection of celestial bodies consisting of a star called the sun and all the objects that are bound by its gravitational force. And the milky way galaxy is the galaxy that contains our solar system. It is a barred spiral galaxy 100,000-120,000 light years in diameter containing 100-400 billion stars.
The local group is the group of galaxies that includes the milky way among others. It consists of more than 54 galaxies, including dwarf galaxies.
The local supercluster is one of the largest known cosmic structures in the universe. They are large, threadlike formations, with a typical length of 50 to 80 megaparsecs h-1, which form the boundaries between the great voids in the universe.
The universe is isotropic, the distance to the edge of the observable universe is approximately the same in all directions. That is, the observable universe is a spherical (spherical) volume centered on the observer, regardless of the shape of the universe as a whole.
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Answer:
Our "cosmic address" from small to large are earth, solar system, milky way galaxy, local group, local supercluster, universe (option A)
consider the distance-measuring technique called main sequence fitting, the third step on the cosmic distance ladder. imagine plotting the apparent brightness vs. temperature for two clusters on the same graph. even though this is not a true h-r diagram, you can still recognize which stars are main-sequence stars in each cluster. suppose one of the clusters is the hyades (the face of taurus, the bull), whose distance is known from stellar parallax. if the other cluster's main sequence stars are all one-fourth (1/4) the brightness as seen from earth, then how far away is the other cluster?
If the other cluster's main sequence stars are all one-fourth (1/4) the brightness as seen from earth, then now far away is Twice as far away as the Hyades.
Astronomers use various techniques to degree relative distances within the Universe, relying upon the object being observed. together these techniques are known as the cosmic distance ladder. it's called a ladder for true cause — each rung or dimension method relies upon the preceding step for calibration.
The universe is the whole lot. It includes all of space, and all the matter and strength that area carries. It even consists of time itself and, of route, it consists of you. Earth and the Moon are part of the universe, as are the other planets and their many dozens of moons.
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For a planet with a roughly circular orbit, how does the planet's velocity change when the orbital radius increases or
decreases?
Answer: increases
Explanation:
What are the units used in F = ma?
Question 1 options:
A. Midichlorians for force, venator-class star destroyers for mass, and parsecs per second squared for acceleration.
B. Horsepower for force, pounds for mass, and miles per hour for acceleration.
C. Newtons for force, kilograms for mass, and meters per second squared for acceleration.
D. Foot pounds of torque for force, grams for mass, and kilometers per hour for acceleration.
Answer:
Newtowns for force , kg for mass , and meters per second
An 3.1 kg bowling ball rolls with a velocity of 1.1 m/s and strikes a stationary 2.2 kg bowling ball. The first ball stops after the collision. How fast does the second bowling ball roll away after the collision?
use units and work out
The speed of the second bowling ball after collision is 1.55 m/s
What is speed?Speed can be defined as the ratio of distance to time of a body.
To calculate the speed of the second bowling ball after collision, we use the formula below
Formula:
v = mu/m'................ Equation 1
Where:
m = Mass of the first bowling ballm' = Mass of the second bowling ballu = Initial speed of the first bowling ballv = Final speed of the second bowling ballFrom the question,
Given:
m = 3.1 kgm' = 2.2 kgu = 1.1 m/sSubstitute these values into equation 1
v = (3.1×1.1)/2.2v = 1.55 m/sHence, the second bowling ball is 1.55 m/s fast.
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two 1.50 v batteries -- with their positive terminals in the same direction -- are inserted in series into the barrel of a flashlight. one battery has an internal resistance of 0.350 , the other an internal resistance of 0.110 . when the switch is closed, a current of 600 ma occurs in the lamp. (b) what fraction of the chemical energy transformed appears as internal energy in the batteries?
In the series of a flashlight's barrel, the fraction of the chemical energy transformed appears as internal energy in the batteries as 0.460.
b) the expression for the total emf for the given circuit is
E = nV
E = total emf for the circuit
n = number of batteries
V = voltage across the batteries
Substitute 2 for n, 1.50V for V in the above equation to find E
E = 2 x 1.500V
= 3.0V
Total emf = 3.0V
By using the formula to calculate total internal resistance for the circuit
r = r1+r2
r = total circuit's resistance
r1 = one battery's internal resistance
r2 = internal resistance of other battery
Substitute 0.350 for r1 and 0.110 for r2 in the above formula then,
r = 0.350+0.110
= 0.460
Hence, the total internal resistance for the circuit is 0.408
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you have an electrical device with a long wire in it. the wire is 20 gauge, meaning its diameter is about 1 mm. currently, the wire's resistance is about 0.038 ohms. with a 0.8 a current running through it, how much power will the wire use? p
When the wire's resistance is about 0.038 ohms and a 0.8 a current running through it, then power that the wire will use is 0.024 W.
How is power defined?We define power as the rate of doing work or can be said that it is the work done in unit time. The SI unit of power is Watt which can also be written as joules per second (J/s). Sometimes, power of motor vehicles and other machines is given in Horsepower (hp), which is approximately equal to 745.7 watts.
P= V *I
Given I= 0.8A and R= 0.038 ohms
V = IR
= 0.8* 0.038
= 0.0304 v
Power= V *I
= 0.0304 * 0.8
Power = 0.024 W
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an 8.0-g bullet has a speed of 800 m/s. (a) what is its kinetic energy? (b) what is its kinetic energy if the speed is halved?
The kinetic energy is 2560J
If the speed if halved, then the kinetic energy is 640J
What is kinetic energy?Kinetic energy is the energy possessed by an object due to its motion.
Calculation:Using the equation for the kinetic energy, we write:
K=1/2mv2 K=1/2mv2
where:
m is the mass
v is the speed
(a) The kinetic energy of the bullet is:
K=1/2(0.008kg) (800m/s)²
K=2560 J
(B) When the speed is halved, the energy will be multiplied by a factor of 4, thus, we write:
K=2560×(0.25) J
K=640J
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assume that as you are taking this practice exam, you are concentrating and giving it your full attention. if you were connected to an eeg at this moment, what type of brain waves would it record?
The type of brain waves when we are connected to an eeg would record Gamma waves.
There are five types of brain waves. They are Theta, Delta, Alpha, Beta and Gamma.
Gamma waves are the highest frequency brainwaves measuring 31 to 100 hertz, which are typically associated with insight, expanded consciousness and peak performance. When you feel you are at a state of hyper-focus, you'll likely produce gamma waves.
When you are alert and focused on something like reading, writing or speaking, you are probably producing beta waves.
When you are in the state of rest or relaxation, your brain produces alpha waves, which measure between 8 and 12 hertz.
In deep meditation, your mind produces theta waves.
The slowest brain waves are delta waves. This is a state of detached awareness or dreamless sleep, where a lot of healing occurs.
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what does it mean to say that a beam of light is polarized? the beam has a magnetic field, but no electric field. the beam itself is charged, carrying either positive or negative charge. the direction of the beam's electric field alternates between two possibilities. the beam has an electric field, but no magnetic field.
Plane polarized light consists of waves that has magnetic field in which the direction of vibration is the same for all waves.
Polarization, in Physics, is defined as a phenomenon caused due to the wave nature of electromagnetic radiation.Sunlight travels through the vacuum to reach the Earth, which is an example of an electromagnetic wave. These waves are called electromagnetic waves because they form when an electric field interacts with a magnetic field.Light is the interaction of electric and magnetic fields travelling through space. The electric and magnetic vibrations of a light wave occur perpendicularly to each other. The electric field moves in one direction and the magnetic field in another ‘perpendicular to each other. So, we have one plane occupied by an electric field, another plane of the magnetic field perpendicular to it, and the direction of travel is perpendicular to both.Plane polarized light consists of waves in which the direction of vibration is the same for all waves.The process of transforming unpolarized light into polarized light is known as polarization.
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n a double slit experiment light of wavelength 585.0 nm is used, the separation of the slits is 0.100 mm and the viewing screen is 21.0 cm from the slits. on this screen, what is the separation between the fifth maximum and seventh minimum from the central maximum?
The separation between the fifth maximum and seventh minimum from the central maximum is 2.457mm
Seperation between 5th and 7th minima
=2X(wavelength)x(Distance of screen) / (slit seperation)
=(2x 585x10^-9 x21x10^-2 )/ 0.1x10^-3 =2.457mm
The double-slit experiment shows that light and matter can exhibit properties of both classically defined waves and particles. Furthermore, it demonstrates the fundamental stochastic nature of quantum mechanical phenomena. This kind of experiment was first performed by Thomas Young in 1802 to demonstrate the wave behavior of visible light [1]. At the time, light was thought to consist of waves or particles. With the advent of modern physics about 100 years later, it was recognized that light can indeed exhibit behavior characteristic of both waves and particles. We have demonstrated that it exhibits the same behavior as extended to molecules . Thomas Young's light experiments were part of classical physics long before the concept of quantum mechanics and wave-particle duality was developed. He believes that this proves that the wave theory of light is correct, and his experiment is sometimes called Young's experiment or Young's slit.
This experiment belongs to the general class of "double-path" experiments, in which a wave is split into two separate waves (a wave usually consists of many photons and is better known as a wavefront). .The wave properties of a single photon ), which later combine into a single wave. Changes in the path length of both waves lead to phase shifts that create interference patterns. Another version is a Mach-Zehnder interferometer that splits the beam with a beam splitter.
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a spider can tell when its web has captured, say, a fly because the fly's thrashing causes the web threads to oscillate. a spider can even determine the size of the fly by the frequency of the oscillations. assume that a fly oscillates on the capture thread on which it is caught like a block on a spring. what is the ratio of oscillation frequency for a fly with mass m to a fly with mass 4.6m?
The ratio of oscillation frequency for a fly with mass m to a fly with mass 4.6m is 2.14 : 1.
The formula to calculate the frequency of oscillation for a block on a spring
[tex]\omega = \sqrt{\frac{k}{m}}[/tex]
ω²m = k
If two flies are caught in similar threads, then the magnitude of k or the constant from the threads is the same. The oscillation frequency ratio is the ratio of the inverse of the root mass.
m₁ = mm₂ = 4.6m[tex]\frac{\omega_1}{\omega_2} = \frac{\sqrt{m_2}}{\sqrt{m_1}}[/tex]
ω₁² : ω₂² = m₂ : m₁
ω₁² : ω₂² = 4.6m : m
ω₁² : ω₂² = 4.6 : 1
[tex]\omega_1 \::\: \omega_2 = \sqrt{4.6} \::\: \sqrt{1}[/tex]
ω₁ : ω₂ = 2.14 : 1
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Find the electrical energy consumed by an electric geyser of power rating 2000 watt when it is used for 1 h
The electrical energy consumed is 2KWh
How do we calculate electrical energy consumption?Electrical energy or electricity consumption represents the amount of electrical energy that has been consumed over a specific time, in units of Wh (or kWh), electricity demand represents that rate at which electrical energy is consumed for a needed output rating, in units of W (or kW).
Energy is given as :
Energy = power ×time
power = 2000w = 2kw
time = 1hr
therefore electrical energy consumed over 1hr
= 2kw× 1hr
= 2kwhr
therefore the electrical energy consumed is 2KWh
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if you stare at a red x and then shift your eyes to a white surface, what happens to the image of the x?
If you stare at a red object and immediately look at a white area afterward, you will see an afterimage that is the same size and shape, but it is blue-green, or cyan, in color. '
This is known as the opponent process theory
State the opponent process theory?The opponent process theory of color vision says that color is processed in pairs (red-green, yellow-blue, and black-white.)
It means that Light that stimulates one half of the pair inhibits the other half.
In conclusion, this opponent process is thought to be responsible for our perception of color and explains why people experience afterimages.
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a 1.0 kg wooden block and a 100 kg platinum block can both slide without friction on a horizontal surface. if the wooden block is pushed with half the force, but for twice the amount of time as the platinum block, which block has a greater final momentum? assume each block starts from rest.
Each block is pushed once from rest using half as much force on the wooden block and twice as long on the platinum block before reaching equal momentum.
According to Newton's second law, F = ma = Δp / Δt
If both starts from rest,
So, Momentum, p = F t
For gold block,
pg = F ( t ) = F t
For plastic block,
pp = 2 F ( t / 2 ) = F t
Momentum, or how much mass is moving through how much space, is used to measure mass in motion. Usually, it begins with the letter P.When a body is moving, its "momentum"—the amount of force it can exert on another body—can be thought of as its "power." Whether a body is being pulled or pushed, force is typically defined as an outside action. On the other hand, momentum refers to the quantity that describes how much motion exists within a moving body.
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