Answers
Answer:
2 seconds
Explanation:
mhm
Related Questions
Why is it difficult to define abnormal behavior?
Select all that apply.
There is a strict definition of abnormal behavior based on an established set of social norms.
There is a strict definition of abnormal behavior based on an established set of social norms.
People may engage in behaviors that appear abnormal but that are helpful for them to function in everyday life.
People may engage in behaviors that appear abnormal but that are helpful for them to function in everyday life.
Opinions differ on the characteristics that define normal mental health.
Opinions differ on the characteristics that define normal mental health.
Both public stigmas and self-stigmas are associated with labeling behavior as abnormal.
Answers
Answer: A. There is a strict definition of abnormal behavior based on an established set of social norms.
Forgive me if I’m wrong :C
If the astronaut throws the 3.20 kg tool with an acceleration of 5.90 m/s2 , what is the magnitude of the acceleration a of the astronaut during the throw
Answers
The magnitude of the acceleration a of the astronaut during the throw of the 3.2 kg tool is determined as (18.88)/m.
Force applied to the toolBased on Newton's third law of motion, the force applied to the tool by the atronaut is equal to the force exerted on the astronaut by the tool.
Fa = - Fb
where;
Fa is force exterted by the astronautFb is force exterted by the toolFa = (3.2 x 5.9)
Fa = 18.88 N
Acceleration of the astronautFa = m x a
where;
m is mass of the astronauta is the acceleration of the astronauta = Fa/m
a = (18.88)/m
Thus, the magnitude of the acceleration a of the astronaut during the throw of the 3.2 kg tool is determined as (18.88)/m.
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Two light waves, initially emitted in phase, will interfere constructively with maximum amplitude if the path-length difference between them is:
Answers
Two light waves will interfere constructively if the path-length difference between them is a whole number.
SUPERPOSITIONThe principle of superposition state that, when two or more waves meet at a point, the resultant displacement at that point is equal to the sum of the displacements of the individual waves at that point.
Interference of waves can either be constructive, or destructive.
The two light waves, initially emitted in phase, will interfere constructively with maximum amplitude if the path-length difference between them is a whole number of wavelenght 1λ, 2λ, 3λ, 4λ etc
The equivalent phase differences between the waves will be 2[tex]\pi[/tex] or 360 degrees, 4[tex]\pi[/tex] or 720 degrees, 6[tex]\pi[/tex] 1080 degrees etc
Therefore, the two light waves, initially emitted in phase, will interfere constructively with maximum amplitude if the path-length difference between them is a whole number.
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Assuming the radius of diatomic molecules is approximately 2.3 ×10-10 m for what pressure in Pa will the mean free path in room-temperature (20°C) nitrogen be 0.027 m? The Boltzmann constant is 1.38 × 10-23 J/K, Avogadro’s number is 6.02 × 1023 molecules/mole, and the ideal gas constant is R = 8.315 J/mol•K = 0.0821 L ∙ atm/mol ∙ K.
Answers
For a radius of diatomic molecules is approximately 2.3 ×10-10 m, the pressure in Pa is mathematically given as
P=0.134Pa
What pressure in Pa will the mean free path in room-temperature (20°C) nitrogen be 0.027 m?Generally, the equation for the ideal gas is mathematically given as
PV=nRT
Therefore
[tex]P=\frac{1kT}{\sqrt{2}\pi(p)d^2}[/tex]
[tex]P=\frac{1.38*10^-23*293}{\sqrt{2}\pi*(2*1.3*10^{-10})^2)*0.1}[/tex]
P=0.134Pa
In conclusion, Pressure
P=0.134Pa
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A block of mass 0.4kg on a horizontal surface is attached to a horizontal spring of negligible mass. The other end of the spring is attached to a wall and there is neglig ble friction between the block and the horizontal
surface. The center of mass of the block is stretched a horizontal distance 0.25 beyond its equilibrium position and released from rest such that the block spring system undergoes simple harmonic motion. A graph
of the spring potential energy of the block spring system as a function of the horizontal position of the center of mass of the block is shown. The positive direction is considered to be to the right
of the force exerted by the spring on the block as a function of the block's horizontal position
Answers
A loaded spring undergoes simple harmonic motion whose period is proportional to the mass and inversely proportional to the spring constant.
What is simple harmonic motion?Simple harmonic motion is the periodic motion of an object along a straight line, such that the acceleration of the object is directed towards a fixed point on that line and is proportional to its distance from that point.
Example of a simple harmonic motion is the motion of a loaded spiral spring.
The restoring force on the spring is directly proportional to the extension of the spring and the spring constant.
The period of motion, T when a mass, m is attached to a spring with spring constant k,is given as:
T = 2π√(m/k)Therefore, a loaded spring undergoes simple harmonic motion whose period is proportional to the mass and inversely proportional to the spring constant.
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How are jupiter, saturn, and uranus similiar? question 5 options: they are all large, gaseous planetary bodies. they are all planets that are the exact same size. they are all the same distance from the sun. they all have the exact same surface temperature.
Answers
Answer:
Explanation:
All of the planets listed are classified as "Gas Giants" due to them being much larger than the terrestrial rocky planets. They are also strictly composed of gaseous elements such as nitrogen, hydrogen, methane, etc.. Both A and B are correct. I am unsure if you can choose more than one.
Answer:
they are all large, gaseous planetary bodies
Explanation:
i took the quiz
Freud believes that defense mechanisms are reactions people have to protect themselves from uncomfortable feelings. the article ""high on anxiety"" suggests that some people want to feel __________ instead of calm because that’s the feeling they’re used to operating under. a. anxious b. happy c. excited d. angry please select the best answer from the choices provided a b c d
Answers
Answer:
A: Anxious
Explanation:
got a 100% of Edge
In what way are nuclear fission and nuclear fusion similar?
A. Both processes involve the decay of nuclei of atoms.
B. Both processes result in formation of one or more new elements.
C. Both processes are currently used to generate electrical energy.
D. Both processes occur naturally inside the core of a star.
Answers
i hope this help
The hard outer covering of an animal is a
Answers
How is the heat affecting the appearance of the road and the people?
Answers
Answer:
It doesn’t it may burn the road a little but nothing much other than that I can think ok
Explanation:
At a depth of 30 m/99 ft, gas molecules in a flexible container will be packed ______ times more closely together than they will be at the surface.
Answers
The correct statement will be "At a depth of 30 m/99 ft, gas molecules in a flexible container will be packed four times more closely together than they will be at the surface."
What is a gas molecule?Generally, a gas molecule is simply defined as a combination of numbers of atoms that are connected one to another.
In conclusion, The deeper gas molecules go in a surface the more compact they become
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An FM radio wave has a frequency of 7.98E+8 Hz. What is the wavelength of this electromagnetic wave?
Answers
Answer:
.376 m
Explanation:
c = speed of light = 3 x 10^8 m/s
c = wavelength * freq
3 x 10^8 = 7.98 x 10^8 * f
f = .376 meters
Sample Response: When there is less rainfall, land, which is part of the geosphere, becomes dry. When there is not enough water, plants will not get the nutrients they need from the soil and animals will not get enough water, and they will die. Both plants and animals are part of the biosphere. Less precipitation would also mean less water in lakes and groundwater, parts of the hydrosphere, and less evaporation. The atmosphere may also be affected due to less water vaporWhich ideas did you include in your answer? Check all that apply.
Answers
grow alot of plants that's help to make more h2o
Answer:
Which ideas did you include in your answer? Check all that apply.
Droughts can cause the geosphere to be very dry.
Droughts can affect the survival of organisms in the biosphere.
Droughts can affect the amount of water in the hydrosphere.
Droughts can affect the amount of water vapor in the atmosphere.
Explanation:
An object is at rest on a tabletop. Earth pulls downward on this object with a force equal in magnitude to mg. What is the interaction pair to this force
Answers
Answer:
normal contact force
Explanation:
that is the equal and opposite force (as to weight) applied by the table on to the object.
The gravitational force of the earth on the object and the reaction force of the table on the object interact as a pair of forces.
What does gravity mean?The gravitational force is what pulls things with mass in the same direction. People commonly think about the Earth's gravitational pull. Your body is kept on the ground by this force. Yet, gravity pulls all objects with mass in the same direction.
The gravitational force, or g, is the force that the earth exerts on an object, with g equal to 9.8 m/s2.
The information is ,
Place something on the table.
Now that the item is at rest, a force known as gravitational force pushes it downward from the Earth.
The formula for gravitational force is F = mg, where m is the object's mass.
Moreover, Newton's third law states that every action will always have a corresponding and opposing reaction. When the gravitational force acting between two masses is equal in strength and conducted in the opposite direction, an action and reaction pair is produced.
The reaction force is then given by R = -mg, where m is the object's mass and the negative sign denotes that the force is acting in the opposite direction to that of gravity by earth.
Hence , the interaction pair for gravitational is the reaction force
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What is the unit force used in gravity calculations and why is it called this
Answers
Answer:
newtons per kilogram (n/kg)
Explanation:
It is named after Isaac Newton in recognition of his work on classical mechanics, specifically Newton's second law of motion.
Which of the five criteria that define minerals explains why polymorphs are actually different minerals?
Answers
Cender
Quarter
Coin
Feldr
And round
A police car siren emits a
frequency of
2010 Hz when stationary. Another car
hears a 1920
1920 Hz sound when it drives
away from the stationary police car.
How fast is the second car driving?
Answers
Answer: 15.35 m/s
Explanation: 15.35 m/s
[tex]$$From the Doppler effect$$f^{\prime}=\left(\frac{v \pm v_{0}}{v \pm v_{s}}\right) f_{s}$$[/tex]
[tex]\begin{aligned}&f^{\prime}=1920 \mathrm{~Hz} ; \ \ V=343 \mathrm{~m} / \mathrm{s} \\&f=2010 \mathrm \ \text{{H}z} \\&V_S=0 \text { As police car is stationary }\end{aligned}[/tex]
[tex]\begin{aligned}1920 &=\left(\frac{343 \pm v_{0}}{343}\right) \times 2010 \\1920 &=\left(\frac{343-v_{0}}{343}\right) \times 2010 \\ -v_{0} &=-15.35 \mathrm{~m/s} \\v_{0} &=15.35 \mathrm{~m} / \mathrm{s}\end{aligned}[/tex]
Therefore, the second car is driving at 15.35 m/s
hello people ~
please help me with this question ^^
Answers
Equilateral triangle means each interior angle has measure 60°
We need the resultant which is our dipole
[tex]\\ \rm\Rrightarrow R=\sqrt{A^2+B^2+2ABcos\theta}[/tex]
[tex]\\ \rm\Rrightarrow R=\sqrt{(q\ell)²+(q\ell)²+2(q\ell)(q\ell)cos60°}[/tex]
[tex]\\ \rm\Rrightarrow R=\sqrt{(q\ell)^2+(q\ell)^2+(q\ell)^2}[/tex]
[tex]\\ \rm\Rrightarrow R=\sqrt{3(q\ell)^2}[/tex]
[tex]\\ \rm\Rrightarrow R=\sqrt{3}{q\ell}[/tex]
If the distance to the water level in the well is doubled, is the time until you hear the splash twice what it was before, more than twice, or less than twice?
Answers
Echo is a reflection of sound waves. If the distance is increased, we hear the sound in more than twice the former time.
What is echo?The term echo has to do with the reflection of sound waves. We know that when sound waves are reflected, we hear the sound as the echo.
Now, the time that it takes us to hear the echo depends on the distance between the observer and the depth of the well. If the distance is increased, we hear the sound in more than twice the former time.
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What happens to the period of a wave as the frequency increases?.
Answers
Explanation:
T=1/f
So if frequency increases the period will decrease
A car of mass 1000kg is at the top of a 10 degree hill as shown. What is its gravitational potential energy relative to the bottom of the hill?.
Answers
The gravitational potential energy of the 1000kg car relative to the bottom of the hill is 1666L (J).
Potential energy of the carThe gravitational potential energy of the car relative to the bottom of the hill is calculated as follows;
P.E = mgh
where;
h is the vertical height of the hillm is mass of the carLet the slant height of the hill, = L
h = L sinθ
h = Lsin(10)
h = 0.17L
P.E = mg(0.17L)
P.E = 1000 x 9.8 x 0.17L
P.E = 1666L (J)
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4. The photograph in Figure 2.1 shows multiple images that were created by multiple reflections between two flat mirrorsWhat conclusion can you make about the relative orientation of the mirrors? Explain your answer.
Answers
The conclusion you make about the relative orientation of the mirrors is that multiple images are created by multiple reflections between two flat mirrors.
What conclusion can you make about the relative orientation of the mirrors?What are mirrors: The law of reflection helps explain how a mirror is characterized as a reflecting surface.
In conclusion, When two mirrors are parallel to each other, the number of reflecton is infinite.This also depends on your point of view.
Read more on Lens
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What is responsible for Earth's seasons?
A. The Earth's proximity to the sun
B.The Earth rotating on its axis
C.The Earth revolving around the sun
D.The Sun emitting different intensities of light at different times of year
Answers
Answer:
I would say C
Explanation:
seasons are cause by the tilt in the Earths axis of rotation as it revolves around the sun.
What character flaw do you feel you have? What can you do to improve this?
Answers
Answer:
Character flaws that I feel I have are:
Shyness.Extremely reserved nature.Can't say "no".Trying to be perfect always.A 250-turn generator with circular loops of radius 15 cm rotates at 60.0 rpm in a
magnetic field with a strength of 1.00 T.
a. What is the angular speed of the loops?
b. What is the area of one loop?
c. What is the maximum emf?
d. What is the rms emf?
Answers
(a) The angular speed of the loops is 6.284 rad/s.
(b) The area of one loop is 0.071 m².
(c) The maximum emf of the generator is 111.54 V.
(d) The rms emf of the generator 78.87 V.
Angular speed of the loopThe angular speed of the loop is calculated as follows;
[tex]\omega = 60 \ \frac{rev}{\min} \times \frac{2\pi \ rad}{1 \ rev} \times \frac{1 \min}{60 \ s} \\\\\omega = 6.284 \ rad/s[/tex]
Area of the loopThe area of the loop is calculated as follows;
A = πr²
A = π x (0.15)²
A = 0.071 m²
Maximum emf of the generatoremf(max) = NBAω
emf(max) = (250) x (1) x (0.071) x (6.284)
emf(max) = 111.54 V
Rms emf of the generator[tex]V_{rms} = \frac{V_0}{\sqrt{2} } \\\\V_{rms} = \frac{111.54}{\sqrt{2} } \\\\V_{rms} = 78.87 \ V[/tex]
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If 9.467 A current is passing through a straight wire, what would be the magnetic field induced at a point 3.9 centimeter away from the wire
Answers
For a current is passing through a straight wire, the Magnetic field is mathematically given as,
B=5.535*10^5T.
What would be the magnetic field induced at a point 3.9 centimeter away from the wire?Generally, the equation for the Magnetic field is mathematically given as
[tex]B=\frac{\mu i}{ 2 \pi r}[/tex]
Therefore
[tex]B=\frac{4 \pi *10^{-7}*4.2.28}{2 \pi (1.6*10^-2)}[/tex]
B=5.535*10^5T
In conclusion, the magnetic field
B=5.535*10^5T
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This property of matter describes
the relationship of mass to volume?
Answers
Density is a physical property that describes the relationship between mass and volume. Density is the amount of matter in a given space, or volume.
What is the composition of the sun?
Answers
Answer:
The sun is mainly made up of 75 percent hydrogen and 25 percent helium by mass; the sun's is also composed of less than 0.1 percent various metals and elements, including neon, iron, oxygen and carbon. These atoms form hot plasma that is interwoven with the sun´s magnetic fields.
Hope i helped :)
Explanation:
how does a thermal mass store energy
Answers
Answer:
thermal mass is the ability of a material to absorb, store and release heat... Materials such as concrete, bricks, and tiles absorb and store heat, And then they have Thermal mass.
Explanation:
Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Also remember to rate answers to help other students, While leaving thanks to answers that help you. Have a great day!
What is the frequency of light that has a wavelength in water of 600 nm if the refractive index for this light is 1.33
Answers
The frequency of the light with the given wavelength in water is 3.75 × 10¹⁴ Hz.
Wavelength and FrequencyWavelength is simply the distance over which the shapes of waves are repeated. It is the spatial period of a periodic wave.
Both frequency and wavelength are inversely proportional to each other.
Using the wavelength, frequecy and speed relation;
λ = v / f
Where λ is wavelength, v is speed and f is frequency.
Given the data in the question;
Wavelength in water λw = 600nm = 6.0 × 10⁻⁷mRefraction index u = 1.33Frequency f = ?We know that frquency in water is the same as frequecy in air, it doesnt change due to medium.
From the expression above, the frequency of the light will be;
λ = v / f
f = Vw / λw
But,
Refractive index u = velocity of light in air / velocity of light in medium ( water )
So,
Vw = ( 3×10⁸m/s × 1 ) / 1.33
Vw = 2.25 × 10⁸m/s
Hence,
f = Vw / λw
f = ( 2.25 × 10⁸m/s ) / ( 6.0 × 10⁻⁷m )
f = 3.75 × 10¹⁴ s⁻¹
f = 3.75 × 10¹⁴ Hz
Therefore, the frequency of light that with the given wavelength in water is 3.75 × 10¹⁴ Hz.
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