what is the difference between transverse wave and longitudinal wave?
Answers
Answer:
Transverse waves are always characterized by particle motion being perpendicular to wave motion. A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves.
Related Questions
A uniform cylinder of radius R
, mass M
, and rotational inertia I0
is initially at rest. The cylinder is mounted so that it is free to rotate with negligible friction about an axle that is oriented through the center of the cylinder and perpendicular to the page. A light string is wrapped around the cylinder. At time t=0
, the string is pulled with a constant force F0
, which causes the cylinder to rotate, as shown in the figure. After time t=t0
, the string is completely unwound from the cylinder and loses contact with it. If necessary, how can a student determine the change in angular momentum ΔL
of the cylinder from t=0
to t=t0
?
Answers
The formula L = Ft0R states that the change in angular momentum of the cylinder from time t=0 to time t=t0 is directly proportional to the force exerted on the string and the length of time over which it is applied.
What is the angular conversion formula?The pace at which an angle changes in a situation where a rotation occurs in time t is known as the angular velocity. Radians per second (rad/s) are the units used to measure angular velocity.
The student can use the following equation to calculate the cylinder's change in angular momentum from t=0 to t=t0:
ΔL = Lf - Li
The equation: can be used to determine the cylinder's ultimate angular momentum, Lf.
Lf = Iωf
A uniform cylinder's rotational inertia about an axis that passes through its centre of mass and is parallel to its axis of symmetry is given by:
I = 1/2 MR²
Substituting this expression for I and ωf into the equation for Lf, we get:
Lf = (1/2)MR²ωf
Therefore, the change in angular momentum ΔL of the cylinder from t=0 to t=t0 is:
ΔL = (1/2)MR²ωf - 0
ΔL = (1/2)MR²ωf
The student can use the rotational motion equation to calculate the cylinder's ultimate angular velocity, f:
τ = Iα
The angular acceleration α is related to the angular velocity ω by the equation:
α = (ωf - ωi)/t0
where t0 is the period of time during which the force is applied, and i is the starting angular velocity, which is zero.
When we enter these expressions into the torque equation, we obtain:
Fr = (1/2)MR²(ωf - ωi)/t0
Solving for ωf, we get:
ωf = (2Ft0)/(MR)
When we add this expression for f to the equation for L, we obtain:
ΔL = (1/2)MR²(2Ft0)/(MR)
ΔL = Ft0R
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The orbits of stars around the center of the Milky Way Galaxy suggest that the mass at the center of the Galaxy is about 4 million solar masses. What is believed to be the diameter of this supermassive object?
a. smaller than Earth's orbit
b. about 8 ly
c. smaller than the diameter of the Sun
d. about half a parsec
Answers
It is estimated that the supermassive object at the Milky Way Galaxy's center has a diameter of (Choice d) around half a parsec.
Based on the orbits of stars around the center of the Milky Way Galaxy, it is estimated that the mass at the center is approximately 4 million solar masses.
The diameter of the supermassive object, known as the galactic nucleus or black hole, is believed to be about half a parsec. A parsec is a unit of distance equal to approximately 3.26 light-years.
Therefore, the diameter of this supermassive object is larger than Earth's orbit (option a), about 8 light-years (option b), and smaller than the diameter of the Sun (option c).
The estimated diameter of about half a parsec suggests a relatively compact but incredibly massive object at the center of our galaxy. Thus, option d is the correct answer.
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Balancing Chemical Equations:
CaCl2 +
H2O
HCl +
CaO
Answers
10)A car is moving from rest and attained a velocity of 80 m/s. Calculate the
acceleration of the car after 5 s?
Answers
Answer:
initial velocity (u)=0
final velocity (v)=80m/s
time(t)=5s
acceleration (a)=?
Explanation:
we have
v=u+at
80=0+a×5
5a=80
a=80/5=16m/s²
3. Since Aspeon is not expected togrow, Emily believes that the following equations can be used in the valuation analysis: (1) S=[EBIT−kd(D)](1−ks)
(2) V=S+D
(3) P=(V−D0)/n0
(4) n1=n0−D/P
(5) VL=VU+TD
Answers
The equations mentioned by Emily in the valuation analysis for Aspeon are as follows:
1) Equation (1): This equation represents the value of equity (S) and calculates it based on the EBIT (earnings before interest and taxes), the tax shield provided by debt (D), and the required return on debt (kd) and equity (ks). It implies that the value of equity is equal to the adjusted EBIT after deducting the tax shield from debt.
2) Equation (2): This equation calculates the total enterprise value (V) by adding the value of equity (S) and debt (D). It represents the total worth of the company, considering both equity and debt.
3) Equation (3): This equation calculates the price per share (P) by dividing the total enterprise value (V) minus the initial debt (D0) by the number of shares (n0). It represents the price per share based on the valuation of the company.
4) Equation (4): This equation calculates the new number of shares (n1) by subtracting the dividend (D) from the initial number of shares (n0) divided by the price per share (P). It represents the adjusted number of shares after the payment of dividends.
5) Equation (5): This equation calculates the levered value (VL) by adding the unlevered value (VU) with the tax shield value (TD). It represents the value of the company after considering the tax advantages of debt.
These equations provide a framework for valuation analysis, considering factors such as earnings, taxes, debt, and equity. They help assess the value and financial implications of Aspeon's growth prospects.
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rank the following speeds of mass movements from slowest to fastest: 1. Creep
2. Slump
3. Flow
4. Fall
Answers
Ranking the speeds of mass movements from slowest to fastest: 1. Creep, 2. Slump, 3. Flow, 4. Fall.
When ranking the speeds of mass movements from slowest to fastest, creep is the slowest. Creep refers to the gradual and slow movement of soil or rock particles downhill due to the force of gravity. Slump, the next in line, involves the movement of a coherent mass of soil or rock along a curved surface. Flow, which is faster than both creep and slump, occurs when the material moves as a fluid, typically involving a mixture of soil, water, and air. Fall is the fastest, where the material rapidly descends under the influence of gravity without significant deformation or internal movement.
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What happens to the electric force between two particles if the distance
between them is doubled?
A. It decreases to half the original force.
B. It increases to twice the original force.
C. It increases to 4 times the original force.
D. It decreases to 1/4 of the original force.
Answers
Answer:
D.
Explanation:
Force and distance are inversely related, so a greater distance results in a weaker force.
Using science terms like force, mass, energy, and inertia, describe how you could get an object to fly a further distance in a catapult?
Answers
i need the same question
right auricale is bigger then left aurical, why?
Answers
Explanation:
Veins carry deoxygenated blood from different parts of the body to our heart. ... Since a larger volume of blood is collected in the right auricle than that of the left auricle, right auricle is larger than the left auricle.
I need help with this I’am over here struggling halppp
Answers
Answer:
I think the answer to num.1 is A and the answer to num.2 is A also
Answer:
i think is
1. A
2. C
espero que salgas bien
Why isn't the story of Israel not fully accurate?
Answers
Answer:
wait what do you mean? And why is this in physics?
Is this about the iron dome or something biblical?
Explanation:
Answer:
the story of Israel is part of the Bible that's what what you're your lesson is
Explanation:
a person with a mass of 97kg is accelerated at a rate of 1.4m/s2, what’s the force acting upon them?
Answers
Answer:
135.8 N
Explanation:
You multiply the mass by the acceleration then you get your answer
if the block is sliding down the incline, does the force of friction acting on the block increase, decrease, or remain the same? increase decrease remain the same
Answers
The force of friction acting on the block will increase as the block slides down the incline. This is because the force of friction is proportional to the normal force acting on the block, and as the block slides down the incline, the normal force increases, thus causing the force of friction to increase as well.
As the angle increases, the component of force parallel to the incline increases, and the component of force perpendicular to the incline decreases. It is the parallel component of the weight vector that causes acceleration. Thus, accelerations are greater at greater angles of incline.
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electrons are accelerated by a 1000-v potential drop. (a) calculate the de broglie wavelength. (b) calculate the wave- length of the x-rays that could be produced when these elec- trons strike a solid.
Answers
The de Broglie wavelength of the electron is 2.212 x 10-11 m.
What is Broglie wavelength?The de Broglie wavelength is a concept in quantum mechanics which states that all matter has a wave-like nature, and can thus be described as a wave.
(a) The de Broglie wavelength (λ) of a particle is given by the equation: λ = h/p, where h is Planck's constant (6.626 x 10-34 J.s) and p is the momentum of the particle.
The momentum of an electron with a 1000-V potential drop is given by the equation p = eV/c,
where e is the electron charge (1.602 x 10-19 C) and c is the speed of light (2.998 x 108 m/s).
Therefore, the de Broglie wavelength of the electron is:
λ = h/(eV/c) = (6.626 x 10-34 J.s) / (1.602 x 10-19 C x 1000 V/2.998 x 108 m/s) = 2.212 x 10-11 m.
(b) X-rays are produced when high-energy electrons strike a solid.
The wavelength of the x-ray is inversely proportional to the energy of the electron.
The energy of the electron is equal to the potential drop, i.e. 1000 eV. Therefore,
the wavelength of the x-ray produced is: λ = hc/eV = (6.626 x 10-34 J.s x 2.998 x 108 m/s)/(1.602 x 10-19 C x 1000 eV) = 1.246 x 10-10 m.
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help asap!
three resistors of 20. ohms, 30. ohms, and 60. ohms, respectively, are connected in series with a battery. a current of 2.0 amperes will flow through this circuit when the potential difference of the battery is a. 20.V b. 220 V c. 110 V d. 10.V.
Answers
Answer:
b. 220 V
Explanation:
Let resistors be R1, R2, and R3 respectively.
Given the following data;
R1 = 20 ohms
R2 = 30 ohms
R3 = 60 ohms
Current = 2 Amperes
To find the voltage;
First of all, we would determine the total effective resistance (RT).
For series circuit;
RT = R1 + R2 + R3
RT = 20 + 30 + 60
RT = 110 Ohms
Next, we find the voltage using the formula;
Voltage = current * resistance
Voltage = 2 * 110
Voltage = 220 Volts
an environmental issue that arose from fluid technology
Answers
Fracking has become widely used in the US, raising worries about its effects on the environment and public health. Large volumes of wastewater are produced, along with greenhouse gases like methane, hazardous air pollution, and noise.
Explain about fluid technology and its affects?Fracking, also known as hydraulic fracturing, is a technique for obtaining gas and oil through shale rock. With the help of a high-pressure injection of water, sand, and chemicals into bedrock, gas and oil can flow into a well and be collected for sale.
Fracking has become widely used in the US, raising worries about its implications for the environment and public health. Large volumes of wastewater are produced, along with greenhouse gases like methane, hazardous air pollution, and noise. According to studies, these gas and oil projects can cause land degradation, species decline, disturbance of migratory patterns, and loss of both plant and animal habitats. Certain fracking-related enterprises have been situated close to communities with less resources, affecting their overall burden of social injustices.Know more about the affects of technology
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Explain any environmental issue that arose from fluid technology.
What state of matter has the highest energy? Lowest?
Answers
Answer:
The highest state of matter in energy is gas. The lowest is solid.
Explanation:
The reason why is because gas is the highest conductor of electricity (which is why we have lightning). However, solids don't conduct electricity very well.
what factor of the wave seems to affect pitch?
Answers
Answer: Pitch of the sound depends on the frequency of the sound wave. The pitch is affected by the source of production of sound wave. It also depends on the shape of the medium in which it travels.
Explanation:
Which of the following describes half-life? Choose which apply.
A. Half-life is the amount of time it takes for half of a sample to decay.
B. The shorter the half-life, the more unstable the nuclide.
C. Half-life cannot be calculated for nuclides.
D. The longer the half-life, the more stable the nuclide
Answers
Answer:
дангггггггггггггггггггггггггггггггггггггггггггггг
Answer: D.
Explanation: I took the test
Select the statement which are true for current, voltage and resistance:
A. As resistance increases, current also increases.
B. Current is directly proportional to voltage.
C. As resistance increases, current decrease.
D. If the voltage of a bulb is 12 V, and the resistance is 4 ohms, then the current must be 5 A.
Answers
Answer:
B.
Explanation:
Current is directly proportional to voltage and inversely proportional to the resistance.
The statement that is true is:
B. Current is directly proportional to voltage.
and
C. As resistance increases, current decreases.
Which of the following industries is the largest producer of primary air pollutants in the United States?
Answers
The largest producer of primary air pollution in the United States is what? electricity producing plants.
Answer:
electricity production
Explanation:
SOUND IS A FORM OF WAVE.LIST AT LEAST 3 REASONS TO SUPPORT IDEA THAT SOUND IS A WAVE.
Answers
2 The question is academically precise and, therefore, indecisive in the wording (What are the 2 kinds of loading most professional engineers and academics in the field of engineering today generally consider to be relevant in most cases when considering typical types of structure usually made of common materials using well-understand methods?)
3 The question challenges the answerer to defend a position as opposed to merely rattling off a list based on knowledge alone, thereby invoking higher levels of Bloom's Taxonomy. (What are 4 arguments that could be used to defend arguments made by the physicists of the day that electromagnetic waves must move through an illusive substance called 'the ether?)
What are the common sedimentation tanks found in waste treatment
plants and what is the purpose of each tank
Answers
In waste treatment plants, there are several common types of sedimentation tanks .some of the most common sedimentation tanks and their purposes: Primary Sedimentation Tank , Secondary Sedimentation Tank ,Tertiary Sedimentation Tank:
1. Primary Sedimentation Tank: The primary sedimentation tank, also known as a primary clarifier or primary settling tank, is designed to remove settleable solids and heavy particles from wastewater. It allows the heavier particles to settle at the bottom of the tank, forming sludge, while the lighter particles float to the top and are skimmed off. The primary sedimentation tank helps in the removal of large suspended solids and organic matter.
2. Secondary Sedimentation Tank: The secondary sedimentation tank, also called a secondary clarifier or final settling tank, is used in biological treatment processes. It receives the treated wastewater from the biological reactor, such as an activated sludge process or a trickling filter, and allows the remaining suspended solids, microorganisms, and flocs to settle. This tank separates the treated wastewater from the biological sludge or biomass before the water is discharged or subjected to further treatment.
3. Tertiary Sedimentation Tank: Tertiary sedimentation tanks, also known as tertiary clarifiers or polishing basins, are used for additional treatment after the secondary sedimentation tank. These tanks further remove fine suspended solids, residual organic matter, and nutrients, such as phosphorus or nitrogen, from the wastewater. Tertiary treatment is often required to meet strict effluent quality standards before the wastewater is discharged into the environment.
4. Imhoff Tank: An Imhoff tank is a type of sedimentation tank used for the treatment of sludge or sewage solids. It consists of two chambers: an upper chamber for settling and a lower chamber for anaerobic digestion of the settled sludge. The Imhoff tank allows for the natural decomposition of organic solids in the lower chamber, reducing the volume of sludge and producing biogas.
These sedimentation tanks play a crucial role in wastewater treatment by allowing the separation and removal of solids from the wastewater, improving the overall quality of the treated effluent. The specific design and purpose of each tank may vary depending on the treatment process and the requirements of the wastewater treatment plant.
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Convert 1 meter into millimeters
Answers
Answer:
1000
Explanation:
I learned this
Answer: 1000Millimeters
Explanation: ask google
An unknown sample has a mass of 38.00 g and a volume of 56.39 ml. Calculate the density in g/ml. Provide your answer with 2 decimals. Show your work
Answers
The density of the unknown sample is 0.67 g/ml.
To calculate the density, we use the formula:
Density = Mass / Volume
Mass = 38.00 g
Volume = 56.39 ml
Substituting the values into the formula:
Density = 38.00 g / 56.39 ml
Dividing the mass by the volume, we find:
Density = 0.674 g/ml
Rounding to two decimal places, the density of the unknown sample is 0.67 g/ml.
Density is a measure of how much mass is contained within a given volume. In this case, we are given the mass of the unknown sample as 38.00 g and its volume as 56.39 ml. To find the density, we divide the mass by the volume. By performing the calculation, we obtain a density of 0.674 g/ml.
When rounding the value to two decimal places, the density of the unknown sample is 0.67 g/ml. This means that for every milliliter of the sample, there is 0.67 grams of mass. Density is an important property in chemistry and materials science as it can help identify substances and determine their behavior in various applications.
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What is a car’s acceleration if it increases its speed from 5 m/s to 20 m/s in 3 s? 10 m/s2 –15 m/s2 15 m/s2 5 m/s2
Answers
Answer:
5 m/s²
Explanation:
Acceleration = change in speed/time taken
20-5=15
15/3= 5 m/s²
One of the most fundamental techniques used to determine distances is triangulation. This same method is used to detect a star's parallax and corresponding distance. Triangulation involves observing the same object from two vantage points, so that the object, along with the two vantage points, forms a triangle in space. In the figure, label the essential components used to triangulate the distance to a building located on the opposite side of an empty lot.
Answers
A prime mechanism for calculating distances, such as those between stars, is triangulation.
A key method for calculating distances, such as those between stars, is triangulation. Three elements are needed: the thing itself, two vantage points, and one. The building on the other side of the lot is the item in the illustration, which also shows two viewpoints labelled as P1 and P2.
The separation among points P1 and P2 is known, and the three points together form a triangle in space. The distance from P1 or P2 to the building can then be calculated using complex trigonometric calculations. Since it may be performed from a distance and does not require close proximity to an object, triangulation is a useful method for determining distances.
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Hi I just need an answer btw it’s science not physics
Answers
Answer:
You need to divide 200 by 23 seconds in order to get your answer.
which model of the universe is currently the most accepted in light of the discovery of dark energy?
Answers
An accelerating universe is currently the most accepted in light of the discovery of dark energy.
A hypothesized energy known as "dark energy" acts in opposition to gravity by exerting a repellent, negative pressure. It has been proposed to explain the observable characteristics of far-off type Ia supernovae, which reveal the universe is expanding at a faster rate than usual.
Saul Perlmutter, Brian Schmidt, and Adam Riess are the recipients of the 2011 Nobel Prize in Physics. They made the stunning conclusion that the universe's expansion is speeding up as a result of their observations of far-off stars exploding.
The distance measurements utilizing type Ia supernovae (SN Ia) for the galaxies at high redshift provide the most direct and compelling evidence for the expanding cosmos powered by dark energy.
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what tools could you choose if you wanted to see something far away
Answers
Answer:
binoculars,spyglass,telescope etc