Elements in the same______
are more chemically similar.
THIS IS URGENT!!!!
Answers
Answer:
group
Explanation:
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Related Questions
A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave’s motion. The wave is:.
Answers
Answer:
this kind of waves is are called mechanical tranverse examples are surface ripples on water
Hi I don’t understand question and can really use some help! :D
Answers
Given
Mass of one of the object is doubled and the distance between the object is doubled.
To find
What happens to the gravitational force
Explanation
The gravitational force is directly proportional to the masses and inversely proportional to the distance between them
Keeping all other parameters constant,
\(F\propto\frac{m}{d^2}\)So when the mass doubles and the distance doubles we have,
\(\begin{gathered} F^{\prime}\propto\frac{2m}{(2d)^2} \\ \Rightarrow F\propto\frac{m}{2d}=\frac{F}{2} \end{gathered}\)Conclusion
A. The gravitational force becomes half as great.
a stream of negatively-charged particles is moving to the right in a magnetic field. the particles experience a force downward. which situation(s) would result in the particle stream experiencing an upward force?
Answers
If the magnetic field were to be flipped so that it points in the opposite direction, the stream of negatively-charged particles would experience an upward force.
In order to make the stream of negatively-charged particles experience an upward force, we need to change the direction of either the particle stream or the magnetic field. Here's a step-by-step explanation:
1. The original situation: The negatively-charged particles are moving to the right and experience a downward force due to the magnetic field.
2. Change the direction of the particle stream: If you reverse the direction of the particle stream (i.e., make the particles move to the left instead of right), the force they experience will also reverse and become upward.
3. Change the direction of the magnetic field: If you reverse the direction of the magnetic field, the force on the negatively-charged particles will change direction and become upward, while they continue to move to the right.
So, to achieve an upward force on the particle stream, you can either reverse the direction of the particle stream or reverse the direction of the magnetic field.
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what does the slope of the curve on a velocity vs. time graph represent?
Answers
Answer:
the slope of velocity-time graph represent an object acceleration
light of continuously variable wavelength illuminates normally a thin oil (index 1.30) film on a glass surface. extinction of the reflected light is observed to occur at wavelength of 525 and 675 nm in the visible spectrum. determine the thickness of the oil film and the orders of interference.
Answers
The thickness of the oil film is approximately 607.69 nm
we can determine the thickness of the oil film and the orders of interference using the formula for constructive interference in thin films:
2 * n * t * cos(θ) = m * λ
where n is the refractive index of the oil film, t is the thickness, θ is the angle of incidence (90° since the light is incident normally), m is the order of interference, and λ is the wavelength of light.
For normal incidence, cos(θ) = cos(90°) = 1, so the formula simplifies to:
2 * n * t = m * λ
We're given that the extinction (destructive interference) occurs at wavelengths 525 nm and 675 nm. We need to find the constructive interference (bright fringes) between these wavelengths, so we'll consider the average wavelength:
λ_avg = (525 nm + 675 nm) / 2 = 600 nm
Now we can use the formula to find the thickness:
2 * 1.30 * t = m * 600 nm
We need to find the integer values of m that satisfy the equation for both 525 nm and 675 nm wavelengths.
The closest integer values that work are m = 3 for 525 nm and m = 4 for 675 nm.
Using m = 3 for the 525 nm wavelength:
2 * 1.30 * t = 3 * 525 nm
t ≈ 607.69 nm
Using m = 4 for the 675 nm wavelength:
2 * 1.30 * t = 4 * 675 nm
t ≈ 607.69 nm
The thickness of the oil film is approximately 607.69 nm, and the orders of interference are 3 for the 525 nm wavelength and 4 for the 675 nm wavelength.
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In basin and range topography, the lowest areas are frequently occupied by a(n) ________.
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In basin and range topography, the lowest areas are frequently occupied by a(n) basin.
Basin and range topography is a geological feature characterized by alternating mountain ranges and elongated valleys or basins. The formation of this topography is attributed to the stretching and faulting of the Earth's crust, which leads to the uplift of mountains and the subsidence of adjacent basins.
The lowest areas in this type of topography are often occupied by basins, which are elongated depressions or low-lying regions. These basins typically collect sediment and water, forming flat or gently sloping landscapes. They can range in size from small valleys to extensive lowland areas.
The basins are important features of the basin and range topography and contribute to the unique landscape and hydrological characteristics of the region.
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a particular violin string plays at a frequency 300hz. if the tension doubles what will be the new frequency
Answers
The new frequency of a particular violin string that plays at a frequency 300hz when the tension is doubled is 424.26 Hz.
Frequency is directly proportional to the square root of the tension. So, if the tension doubles, the frequency will increase by a factor of the square root of 2, or approximately 1.414.
To calculate the new frequency, we can use the following formula:
new frequency = old frequency x √(new tension / old tension)
In this case, the old frequency is 300 Hz and the new tension is double the old tension, so we can plug these values into the formula:
new frequency = 300 x √(2 / 1) = 300 x 1.414 = 424.26 Hz
So, the new frequency of the violin string will be 424.26 Hz when the tension doubles.
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the weight of a body is 50N. how much force is needed to move it vertically upward with 5ms-2 acceleration
Answers
Answer:
50 Newtons
Explanation:
A body with a mass of 10 kg is moving with an acceleration of 5 m/s. What is the amount of force acting on it? The frictional force is 50N.
The force required to move vertically upward is 75N.
How are acceleration and force related?
The formula required to calculate force is mass x acceleration. This means that force is mass times acceleration i.e., those objects which has larger mass will require stronger force to move with the same acceleration as compared to object with smaller mass. This is the Newton’s second law of motion.
Weight of the body = 50 N
mg= 50 N
mx10= 50
m= 50/10= 5 kg
Fext = ma
F-50 = 5x 5
F= 25+50= 75 N .
So, the force applied vertically is 75N.
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Clouds can decrease the range of daily temperatures because ________.the clouds reflect solar radiation back into space during the daythe clouds store heat and that helps to maintain a uniform temperature at night and during the daythe clouds diffuse the solar radiation so it is spread out over a larger areathe water vapor absorbs the heat from the earth and sends reflects it back to the ground maintaining a uniform ground temperature during the day
Answers
Clouds can decrease the range of daily temperatures because they diffuse the solar radiation, so it is spread out over a larger area.(option c)
What is temperature?
Temperature is a measure of the average heat or thermal energy of the particles in a substance or object. It determines how hot or cold a substance or object is. There are different methods to measure temperature, but the most common is using a thermometer.What is solar radiation?
Solar radiation is the energy that comes from the sun and reaches the earth. It is a type of electromagnetic radiation. Solar radiation provides the energy needed for photosynthesis and is responsible for driving the earth's climate and weather systems.What are clouds?
Clouds are visible masses of tiny water droplets or ice crystals that form in the atmosphere when water vapor condenses. Clouds are important components of the earth's weather and climate systems. They can affect temperature, precipitation, and atmospheric circulation.How do clouds decrease the range of daily temperatures?
Clouds diffuse or scatter solar radiation, so that it is spread out over a larger area. This means that less solar radiation reaches the earth's surface, resulting in lower daytime temperatures. Clouds can also absorb and re-emit some of the thermal radiation that is emitted by the earth's surface, which can result in slightly warmer nighttime temperatures. Overall, clouds help to reduce the range of daily temperatures by making them less extreme.Therefore, clouds diffuse the solar radiation, so it is spread out over a larger area.
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What do you think the average temperature will be this month in paris in degrees celsius?
Answers
Paris experiences its warmest weather in July, with an average high temperature of 76°F and low temperature of 58°F. This month in Paris, the average temperature will be in degrees Celsius.
How can you determine the typical temperature?
By adding together the highest and lowest instantaneous temperatures over the course of a 24-hour period and dividing by two, the weather and climate community has traditionally determined the observed daily mean temperature.
What is the global average temperature?
About 57 degrees Fahrenheit is the standard temperature on Earth (13.9 degrees Celsius). That was the average temperature throughout the 20th century, as determined by measurements made over land and water, day and night, according to climate data from the National Oceanic and Atmospheric Administration (NOAA) (opens in new tab).
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A hiker walks 4.24m, north and 13.32 m, E. What is the magnitude of his resultant displacement.
Answers
Answer:the magnitude of the hikers resultant displacement
Explanation:
In a Harry Potter movie, there is a big pendulum in the Great Hall that goes back and forth once every 18. 9 s. What is the length of the pendulum (if it obeys Physics instead of magic)? (Unit = m)?
Answers
88.5 m is the length of the pendulum. This an be solved using the concept of oscillation.
What is oscillation?The process of any amount or measure repeatedly varying about its equilibrium position in time is referred to as oscillation. Another way to describe oscillation is as a periodic change in a substance's value between two values or around its midpoint.
Because oscillations are defined as a specific amount of movement of a solid body correlated to the distance travelled or the time required for it, oscillations and vibrations are not the same thing. The difference between the two is that vibration is the motion or change that oscillations induce in the body.
When small angles oscillate under the assumption that the supplied pendulum is oscillating, the oscillation time formula for a mathematical pendulum is:
T=2π × √(L/g)
or, L = (T/π)² × g
or, L = (290/π)² × 9.8
or, L = 88.5 meters
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GIVING BRAINLIEST LOOK AT THE DIAGRAM AND AWNSER THE QUESTION
Which statement is best supported by the diagram?
Kinetic energy becomes potential energy between points R and S.
Maximum potential energy is at point P.
Maximum potential energy is at point R.
Potential energy becomes kinetic energy between points P and Q.
Answers
Answer:
Option D)Potential energy becomes kinetic energy between points P and Q.
Explanation:
the reactance (in ohms) of an inductor is given by ω ∙ l , where ω is in radians per second. given the l = 33 mh inductorthat we will use in lab, what do we expect the reactance to be? use f = 6 khz
Answers
Answer:
we expect the reactance of the 33 mH inductor at a frequency of 6 kHz to be approximately 1.24 ohms.
Explanation:
To calculate the reactance (in ohms) of an inductor, we use the formula:
X_L = ω ∙ L
where X_L is the reactance of the inductor in ohms, ω is the angular frequency in radians per second, and L is the inductance in henries.
However, we are given the inductance in millihenries (mH), so we first need to convert it to henries:
L = 33 mH = 33 × 10^-3 H
We are also given the frequency f in kilohertz (kHz), so we can convert it to angular frequency ω using the formula:
ω = 2πf
ω = 2π × 6 kHz = 37.7 krad/s (approx.)
Now we can use the formula to calculate the reactance of the inductor:
X_L = ω ∙ L
X_L = 37.7 k rad/s × 33 × 10^-3 H
X_L = 1.24 Ω (approx.)
Therefore, we expect the reactance of the 33 mH inductor at a frequency of 6 kHz to be approximately 1.24 ohms.
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Changes of weather before a typhoon
right answer = brainliest
nonsense = report subject: science
sub to : ~uni scent~ on
yt
for
tutorials
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bye!
Answers
Overcast and ominous sky windy conditions and a lot of rain. along the shore, large waves. storm swells are some of the weather changes before typhoon.
The weather during a typhoon may be described in what way?Tropical cyclones, often known as hurricanes or typhoons, are powerful circular storms that form over warm tropical waters and are distinguished by low air pressure, strong winds, and torrential rain.
Before the storm hits, what changes to the sky?Storm precursors start to show up. The ocean surf is around 4m (13 feet) in height and is coming in 7 seconds apart. The barometer is dipping slightly, the wind is blowing at 18–20 kmph. Large, white cirrus clouds may be seen gathering over the horizon. The horizon is gradually being engulfed by the approaching cloud cover.
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Susie rolls a bowling ball down the alley and knocks over most of the pins. Explain why fewer pins were knocked over when her little brother rolled a basketball, at the same velocity, down the alley.
Answers
Answer:
The force used
Explanation:
This has to be because of the force used. Both Susie and her younger brother might have hit the ball with the same velocity, but they surely couldn't have hit it with the same force. The force with which Susie hurts it is heavier than that with which her younger brother hits it, and as such, Susie gets to fall down more pins than her brother will be able to. The ball has to have a lot of force in it for it to be able to knock off all the pins there. So basically, the more the force, the higher it's chances of hitting all the pins
look at picture, need to know net force, whether they are balanced or unbalanced and whether they are accelerated or not accelerated!
Answers
Answer:
1) 100 ...unb. and accelerate
2) 7...unb. and accelerate
What are organs made of?
O Organs are made of colections of tissues,
O Organs are made of cells, but not tissues.
O Organs are made of collections of other
O Organs are made of muscle and bone.
DONE
Answers
Tissues are made of cells though so it’s kinda a weird question lol
Answer:
Organs are made of collections of tissues, which are groups of cells.
Explanation:
The hydraulic fluid transmits the pressure, caused by piston A, equally to each of the four holding up the car supports. The pressure throughout the fluid is the same. A force of 1000 N on piston A is just enough to raise the car. (a) Using values from Fig. 3.1, find (i) the pressure caused by piston A on the fluid, pressure = [2]
Answers
To find the pressure caused by piston A on the fluid, we can use the formula:
Pressure = Force / Area
Given that the force exerted by piston A is 1000 N, and the area of each of the four pistons that hold up the car is 0.02 m^2, we can calculate the pressure as:
Pressure = 1000 N / (4 x 0.02 m^2)
Pressure = 25000 N/m^2
So the pressure caused by piston A on the fluid is 25000 N/m^2
if the truck has a mass of 2000 kg what is the momentum (V=35 m/s) express your answer in kg Point m/s?
Answers
Answer:
70 000 kg•m/s
Explanation:
You can find the momentum multiplying the velocity by the mass:
Momentum = 2000 • 35
Momentum = 70 000
HELPPPP I HAVE A TEST TODAY AND I LITERALLY CAN'T WITH THIS
In a children’s soccer game, one of the children kicks the ball from the ground, giving it an initial velocity of 22 m/s at an angle of 62° to the horizontal. Determine the initial vertical and horizontal velocity components.
If you post links I will report u so I suggest u don't
Answers
The horizontal component of velocity is
(22 m/s) • cosine(62°).
The vertical component of velocity is
(22 m/s) • sine(62°).
These are the original components, right after the kick. As time goes on, the horizontal one doesn't change. But the vertical one gets bigger and bigger, because gravity is accelerating the ball downward.
That's the complete story of projectile motion.
What did Orsted discover about electricity and magnetism?
Answers
In 1820, Hans Christian Orsted discovered the relationship between electricity and magnetism, which is now known as electromagnetism.
When light is either reflected or refracted, the quantity that does not change in either process is its a. direction of travel. b. dispersion. c. frequency d. speed. e. wavelength
Answers
When light is either reflected or refracted, the quantity that does not change in either process is its speed. Therefore, option (d) is the correct answer, speed.
The change in direction of light wave when it hits a surface and bounces back is known as reflection. The reflected light ray moves off at the same angle to the surface (angle of incidence) as it strikes the surface. The angle of incidence is the angle at which the incoming ray strikes the surface, and the angle of reflection is the angle at which the light reflects off the surface.
The process by which light bends as it passes from one medium to another with different densities is known as refraction. It is due to a change in speed, which causes light to change direction. When light passes from a medium with a higher index of refraction to one with a lower index of refraction, it bends away from the normal.
Conversely, if light passes from a medium with a lower index of refraction to one with a higher index of refraction, it bends toward the normal.
The quantity that does not change in either process is speed. Regardless of the angle at which it is reflected or the substance through which it passes when it is refracted, light always travels at the same speed.
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1-5 please help will mark brainliest
Answers
Answer:
the deficiency is the target audience of the most important and important the target audience of this advertisement is to provide the target of the best of all time and k to detect and k a solution please send emote and
Are stairs a type of inclined plane?
Answers
Answer:
Inclined planes are simple machines used to make work easier. Ramps, ladders, and staircases are all inclined planes.
Explanation:
Answer:
imma say yes
Explanation:
Hierarchy of the universe this is due today pls help me
Answers
Answer:
what is the question.
Explanation:
A plumber uses a spanner on a tap. She puts a force of 200N on the spanner 30cm from the tap. What is the size of the moment?
Answers
Answer:
60Nm
Explanation:
Given data
Applied force= 200N
length of spanner= 30cm to meter
= 30/100= 0.3m
We know that the formula for the moment is
P=Fl
that is
P= force * length
P= 200*0.3
P= 60Nm
Hence the moment is 60Nm
When the Cardinal direction is West and the Azimuth is 270°,
what is the Bearing?
Answers
When the cardinal direction is West and the azimuth is 270°, the bearing would also be 270°. The bearing represents the angle in degrees measured clockwise from the North direction.
In the context of navigation, the bearing is the direction from an observer to a particular point, measured clockwise from North. The cardinal direction West corresponds to a bearing of 270°. Since the azimuth is already given as 270°, it means that the bearing is the same as the azimuth.
Therefore, the bearing when the cardinal direction is West and the azimuth is 270° is also 270°.
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Q.7. For a system with a transfer function of G(s)=- co² s² +2a+w² if the natural frequency is 0.5 and the damping ratio is 1.3, which of the following statements is correct regarding the unit step response of the system?
O A) Damped
O B) Undamped
O C) Underdamped
O D) Crittically Damped
O E) Overdamped
Answers
The system described by the transfer function G(s) = -co² s² + 2a + w², with a damping ratio of 1.3 and a natural frequency of 0.5, has an overdamped unit step response. So, the correct option is (E)
The transfer function of the system is given as G(s) = -co² s² + 2a + w², where co represents the damping ratio, a represents an arbitrary constant, and w represents the natural frequency of the system. We are given that the natural frequency is 0.5 and the damping ratio is 1.3.
To determine the type of unit step response, we need to analyze the damping ratio (co) in relation to the critical damping value (co_critical).
The critical damping ratio (co_critical) is defined as the value where the system is on the threshold between being overdamped and underdamped. It is given by the formula co_critical = 2 * sqrt(a * w²).
In our case, the natural frequency (w) is 0.5, so we can calculate co_critical as follows: co_critical = 2 * sqrt(a * 0.5²).
Since the damping ratio (co) is given as 1.3, we can compare it with co_critical to determine the type of unit step response.
If co > co_critical, the system is considered overdamped (Option E).
If co = co_critical, the system is considered critically damped (Option D).
If co < co_critical, the system is considered underdamped (Option C).
Based on the given values, we can determine that the system is overdamped (Option E) because the damping ratio (1.3) is greater than the critical damping ratio.
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how is momentum calculated (apex)
Answers
Answer: By multiplying mass by velocity
Explanation: By multiplying mass by velocity