What are tides? the regular daily rises and falls in sea level caused by the gravitational attraction of the Moon and Sun on Earth the regular weekly rises and falls in sea level caused by the gravitational attraction of the Moon on Earth the regular weekly rises and falls in sea level caused by the gravitational attraction of the Moon and Sun on Earth the regular daily rises and falls in sea level caused by the gravitational attraction of the Moon on Earth the regular daily rises and falls in sea level caused by the gravitational attraction of the Sun on Earth
Answers
Answer:
the regular daily rises and falls in sea level caused by the gravitational attraction of the Moon and Sun on Earth.
Explanation:
Tides can be defined as the rise and fall of water level in water bodies such as lakes and oceans due to the gravitational force of attraction exerted by the moon on earth. The side closest to the moon creates a bulge of water known as high tide. Low tides are generally experienced when a sea level is not within the bulge.
Generally, the gravitational pull of the Moon cause visible changes on planet Earth's surface.
This ultimately implies that, the pull of the Moon's gravity causes high and low tides on planet Earth's surface.
The various types of ocean tides based on the position of the Earth, Moon and the Sun are;
I. Neap tides.
II. Spring tides.
III. Low tide.
IV. High tide.
V. Brown tide.
VI. Rip tide.
VII. Red tide.
Related Questions
A quarterback throws the football to a stationary receiver who is 28.4 m down the field.
The football is thrown at an initial angle of 38.6 to the ground.
The acceleration of gravity is 9.81 m/s?.
a) At what initial speed must the quarterback throw the ball for it to reach the receiver?
Answer in units of m/s.
Answers
The following question is about football movement and can be answered by using the equations of projectile launch :
Initial speed is: v = 16.89 m / s
Maximum height is: y = 14.26m
Given parameters
Horizontal distance x = 28.4 m
Launch angle tea = 38.6º
To find,
The initial speed and the maximum height
R = \(v^{2}\)sin2θ/g
\(v^{2}\)= g*r/sin2θ
calculating,
v² = 9.8 *28.4 / sin (2 *38.6)
=\(\sqrt{278.32/0.9751}\)
v = 16.89 m / s
The vertical speed is zero when height maximum.
v² = v² - 2 g y
0 = v² - 2g y
y = v²/2g
y = 14.26m
Initial speed is: v = 16.89 m / s
Maximum height is: y = 14.26m
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Problem B: Shock Wave Escape (5 points)
The star of a distant solar system explodes as a supernova. At the moment of the explosion, an
resting exploration spaceship is 15 AU away from the shock wave. The shock wave of the explo-
sion travels with 25000 km/s towards the spaceship. To save the crew, the spacecraft makes use
of a special booster that uniformly accelerates at 150 m/s in the opposite direction.
Determine if the crew manages to escape from the shock wave. (Neglect relativistic effects. )
Answers
Based on the given values and calculations, the crew of the exploration spaceship will manage to escape from the shock wave of the supernova explosion.
We must calculate how long it will take for the shock wave of the supernova explosion to reach the exploratory spaceship and how far the spaceship will have traveled by that time in order to decide if the crew is able to escape.
First, we must convert the AU to km measurement of the distance between the spacecraft and the shock wave. 15 AU is equivalent to 2244 million km, with 1 AU being equal to 149.6 million km.
Using the equation d = vt, where d is distance, v is velocity, and t is time, we can calculate how long it will take for the shock wave to reach the spaceship. The velocity of the shock wave is given as 25000 km/s, so we have:
2244 million km = 25000 km/s x t
Solving for t, we get t = 89,760 seconds.
The distance the spacecraft will have covered during that period must now be calculated. The formula d = vt + 1/2 at2, where an is acceleration, can be used. Although the booster's stated acceleration is 150 m/s, we must convert this to km/s in order to use it in our computation. 0.15 km/s is equivalent to 150 m/s.
d = vt + 1/2 at^2
d = 0 km/s x 89,760 s + 1/2 (0.15 km/s^2) x (89,760 s)^2
d = 6005.76 million km
Therefore, the spaceship will have traveled 6005.76 million km by the time the shock wave reaches it.
The crew of the spaceship will definitely be able to escape the shock wave because it needs to travel a distance of 2244 million kilometers, while the spaceship will have traveled 6005, 76 million km in the opposite direction.
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Drift velocity (v) of the charge carriers is given by the equation...
Answers
The drift velocity (v) of charge carriers in a conductor is given by the following equation: v = I / (n \(\times\) A \(\times\) q).
v = I / (n \(\times\) A \(\times\) q)
where:
v is the drift velocity, measured in meters per second (m/s)
I is the current flowing through the conductor, measured in amperes (A)
n is the number of charge carriers per unit volume of the conductor, measured in per cubic meter (\(m^(-3)\))
A is the cross-sectional area of the conductor, measured in square meters (m^2)
q is the charge of a single carrier, such as an electron, measured in coulombs (C)
This equation relates the drift velocity of the charge carriers to the current flowing through the conductor, the number of charge carriers per unit volume, the cross-sectional area of the conductor, and the charge of a single carrier. The drift velocity represents the average velocity of the charge carriers as they move through the conductor in response to an applied electric field.
The number of charge carriers per unit volume (n) depends on the material of the conductor and the temperature. In metals, the charge carriers are typically electrons, and the number density is on the order of 10^28 to 10^29 electrons per cubic meter.
The cross-sectional area (A) of the conductor is the area of the cross-section of the conductor perpendicular to the direction of the current flow, and is a measure of the amount of material available for the charge carriers to move through.
The charge of a single carrier (q) is typically the charge of an electron, which is approximately 1.6 x \(10^{-19\) coulombs.
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what is the angular resolution at 505 nm for a telescope with a 9 meter primary mirror? (just a number, no units) (calculate to 4 decimal places)
Answers
The angular resolution at 505 nm for a telescope with a 9 meter primary mirror is 6.8455 x 10^⁻¹⁰ radian.
What is the maximum telescope resolution?To put it simply, a telescope's resolution limit establishes the smallest detail that can be resolved in an image. The impact of diffraction establishes the resolution limit in the absence of aberrations.
The definition of angular resolution.The ability of any image-forming tool, such as an optical or radio telescope, a microscope, a camera, or an eye, to differentiate minute features of an object is known as angular resolution, and as such, it is a key factor in determining picture resolution.
Is there an angular resolution in the human eye?Even the human eye can resolve angles! Rayleigh criterion is another name for angular resolution. An empirical formula for angular resolution has been proposed by renowned physicist Lord Rayleigh, where d is the diameter of the lens aperture.
According to question:We have,
Wavelength(λ) = 505 × 10^-9 m, D = 9 m
So, Angular resolution = 1.22(λ)/D
Angular resolution = 616.1 × 10^-9/9
Angular resolution = 6.8455 x 10^⁻¹⁰ rd
Thus, required angular resolution is 6.8455 x 10^⁻¹⁰ rd.
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A 38-kg crate rests on a horizontal floor. A horizontal pulling force of 170 N is needed to start the crate moving. After it is in motion, a horizontal pulling force of 120 N is needed to slide the crate across the floor at constant speed.
a) Find the coefficient of static friction between
the crate and the floor.
b) Find the coefficient of kinetic friction
between the crate and the floor.
Answers
a) The coefficient of static friction between the crate and the floor = 0.46
b) The coefficient of kinetic friction between the crate and the floor = 0.32
fs = μs N
N = m g
fs = Static frictional force
μs = Co-efficient of static friction
N = Normal force
m = Mass
g = Acceleration due to gravity
m = 38 kg
g = 9.8 m / s²
N = 38 * 9.8
N = 372.4 N
fs = 170 N
μs = fs / N
μs = 170 / 372.4
μs = 0.46
F = μk N
F = Kinetic frictional force
μk = Co-efficient of kinetic friction
F = 120 N
μk = F / N
μk = 120 / 372.4
μk = 0.32
Therefore,
a) The coefficient of static friction between the crate and the floor = 0.46
b) The coefficient of kinetic friction between the crate and the floor = 0.32
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please help!!
A single constant force is exerted on an object. The graph describes the objects energy. How much work was done to increase the speed of the object from 1.0 m/s to 3.0 m/s?
A: 1.5 J
B: 2.0 J
C: 4.0 J
D: 4.5 J
Answers
Answer:
C. 4.0 J
Explanation:
Work is equal to the change in kinetic energy or kinetic energy final - kinetic energy initial. 1/2 mv^2 is the equation for kinetic energy. SInce the mass is the same, you don't have to include it when solving. 1/2 times 1^2 = 1/2. 1/2 times 3^2 = 4.5. 4.5 - 0.5 = 4 J
Which description could describe the motion of the object between 7 and 12 seconds (the highlighted area)?
a. The object is moving at a constant, negative, velocity. It is negative because it is moving back towards the origin.
b. The object is at rest.
c. The object is going down a hill with a changing speed.
d. The object is speeding up, as it travels back towards the origin.
Answers
Answer:
A it is still at the same passe and it is going back down
Explanation:
Answer:
The correct answer to your question is A. The object is moving at a constant, negative, velocity. It is negative because it is moving back towards the origin.
Explanation:
Suppose an x-ray tube produces x-rays with a range of wavelengths, the shortest of which is 0.0093 nm. (lemda= 0.0093 nm)
What is the accelerating voltage of the x-ray tube in kilovolts?
Answers
The accelerating voltage of the x-ray tube in kilovolts is 1335 kV.
An x-ray tube produces x-rays with a range of wavelengths, the shortest of which is 0.0093 nm. To determine the accelerating voltage of the x-ray tube in kilovolts, we can use the following formula:
Energy of a photon = Planck's constant × frequency of the photon
Ephoton = h * f
Where Ephoton = hc / λ and
h = Planck's constant = 6.626 x 10⁻³⁴ J s,
c = speed of light = 3 x 10⁸ m/s,
λ = 0.0093 nm.
Therefore, we can calculate f as follows:f = c / λ = (3 x 10⁸) / (0.0093 x 10⁻⁹) Hz = 3.2258 x 10¹⁷ Hz
Then, we can find the energy of a photon:Ephoton = h * f = 6.626 x 10⁻³⁴ J s × 3.2258 x 10¹⁷ Hz = 2.14 x 10¹⁶ J
The energy of a photon is also related to the accelerating voltage, V as follows: Ephoton = eV where e = the elementary charge = 1.602 x 10⁻¹⁹ C
Therefore, we can find the accelerating voltage, V
:V = Ephoton / e = 2.14 x 10⁻¹⁶ J / 1.602 x 10⁻¹⁹ C = 1335 kV.
Therefore, the accelerating voltage of the x-ray tube in kilovolts is 1335 kV.
Thus, the accelerating voltage of the x-ray tube in kilovolts is 1335 kV.
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Which is higher in energy, FM radio waves with a frequency of 1.015 x 10^8 Hz (101.5 MHz) or visible green light with a frequency of 5 x 10^14 Hz?
Strategy
Remember the equations e=hv and e=hc/^lambda, which say that energy increases as frequency increases and as wavelength decreases.
Answers
Based on the equations e=hv and e=hc/^lambda, we can say that energy increases as frequency increases. Therefore, FM radio waves with a frequency of 1.015 x 10^8 Hz (101.5 MHz) have less energy compared to visible green light with a frequency of 5 x 10^14 Hz.
To understand this better, we can look at the frequency and wavelength of both the FM radio waves and visible green light. FM radio waves have a lower frequency of 1.015 x 10^8 Hz (101.5 MHz) and a longer wavelength of approximately 3 meters, while visible green light has a higher frequency of 5 x 10^14 Hz and a shorter wavelength of approximately 500 nanometers.
Since energy is directly proportional to frequency and inversely proportional to wavelength, we can conclude that visible green light has higher energy compared to FM radio waves. This is because visible green light has a higher frequency and a shorter wavelength, which means that it carries more energy per photon.
In summary, visible green light with a frequency of 5 x 10^14 Hz has higher energy compared to FM radio waves with a frequency of 1.015 x 10^8 Hz (101.5 MHz) due to its higher frequency and shorter wavelength.
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A rocket travels vertically at a speed of 1200 km/h. The rocket is tracked through a telescope by an observer located 16km from the launching pad. Find the rate at which the angle between the telescope and the ground is increasing 3 min after lift-off. Round your answer to the nearest hundredth rad/hr
Answers
Answer:
w = 0.01 t⁻² rad/h
Explanation:
Let's use trigonometry to find the elevation angle of the telescope, we assume that the rocket remains fixed in the telescope.
tan θ = CO / CA
the adjacent leg is CA = 16 km = 16 10³ m
Let's use kinematics to find the height of the rocket
v = y / t
y = v t
this height is equal to the opposite leg
CO = v t
we substitute
tan θ = vt / 16
tan θ = 1200/16 t
tan θ = 75 t
θ = tan⁻¹ ( 75 t )
speed is defined by
w = dθ/dt
w = \(\frac{1}{1 + (75 t)^2} \ 75\)
as time increases we can neglect the 1 of the denominator
w = 1/75 t²
w = 0.0133 t⁻²
Using three significant figures
w = 0.01 t⁻² rad/h
for this answer the time must be given in hours
In which situation is the speed of the car constant while its velocity is changing?
A) The car travels down a straight track at 30
B) The car travels around a circular track at 30
a
) The car begins from rest and accelerates to 20
m
2015
D) The car begins traveling at 30
m
and slows to 15 m
S
S
Answers
Answer:
B, the car travels around a circular track at 30 m.
Explanation:
a racing car travels with a constant tangential speed of 75.0 m/s around a circular track of radius 625 m. find (a) the magnitude of the car's total acceleration and (b) the direction of its total acceleration relative to the radial direction.
Answers
The racing car travels with a constant tangential speed of 75.0 m/s around a circular track of radius 625 m are:
Constant Velocity , u = 75 m/s
Radius , r = 625 m
a) Total Acceleration = v^2/r
Total Acceleration = 75^2/(625)
Total Acceleration Acceleration = 9 m/s^2
The magnitude of the total acceleration is 9 m/s^2
b) Since the velocity is constant
The tangential acceleration is zero
The total acceleration is therefore the radial acceleration.
the direction of total acceleration relative to radial direction is zero
Acceleration is the name we give to the process of changing velocity. Velocity is speed and direction, so there are only two ways to accelerate. Either change speed, change direction, or change both
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Diane is training for a marathon and goes to the track (400 m) to run every morning.If Diane runs around the track 10 times, what is the distance in meters that she travels? Do not include the unit in your answer.
Answers
To answer this question, we need to remember what distance really is. Distance is far something moves in a scalar motion, which is not relative to where she starts out originally.
Since Diane travels around the track 10 times and the track is 400 meters long, she ultimately ends up traveling 4000 meters.
What is the wave equation? How does it explain the relationship between frequency and wavelength in a medium?
Answers
The wave equation is a mathematical formula used to describe the behavior of waves in a medium. It is a partial differential equation that relates the rate of change of the wave with respect to time and space.
The equation takes the form of \(d^{2y}\)/\(dt^{2}\) =\(c^{2}\) \(d^{2y}\)/\(dx^{2}\), where y is the wave function, t is time, x is the position along the medium, and c is the speed of the wave. The wave equation helps us understand the relationship between frequency and wavelength in a medium by showing that the speed of the wave is directly proportional to the product of the frequency and wavelength. This relationship is known as the wave equation. Specifically, the wave equation states that v = fλ, where v is the speed of the wave, f is the frequency, and λ is the wavelength. This relationship means that as the frequency of a wave increases, its wavelength decreases, and vice versa. For example, a sound wave with a higher pitch (frequency) will have a shorter wavelength than a sound wave with a lower pitch. This relationship is fundamental to our understanding of waves and is essential in many areas of physics and engineering. In conclusion, the wave equation is a mathematical formula used to describe the behavior of waves in a medium. It explains the relationship between frequency and wavelength in a medium by showing that the speed of the wave is directly proportional to the product of the frequency and wavelength.
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How many minutes does it take to drive 20 miles to Dallas if you are driving 55 miles /
hour?
Answers
\(\\ \sf\longmapsto Time=\dfrac{Distance}{Speed}\)
\(\\ \sf\longmapsto Time=\dfrac{20}{55}\)
\(\\ \sf\longmapsto Time=0.36h\)
\(\\ \sf\longmapsto Time=22min\)
Answer:
\( \dashrightarrow \: { \tt{time = \frac{distance}{time} }} \\ \\ \dashrightarrow \: { \tt{time = \frac{20}{55} \: hours }} \\ \\ \dashrightarrow \: { \tt{time = (\frac{20}{55} \times 60) \: mins }} \\ \\ \dashrightarrow \: { \boxed{ \tt{time = 21.8 \: minutes}}}\)
Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells?
Burning fossil fuels contributes to climate change.
Burning fossil fuels takes place inside expensive fuel cells.
Fossil fuels aren’t widely available, but pure hydrogen is.
Fossil fuels are nonrenewable.
Answers
Answer:
Burning fossil fuels contributes to climate change.
Fossil fuels are nonrenewable.
Explanation:
Fossil fuels are fuels formed from the remains of dead organic matters that have long been buried under the ground while hydrogen fuel cells are formed from electrochemical reactions.
Fossil fuel burning creates pollution in the environment and some of the pollutants generated contribute to global warming and associated climate change. This is as opposed to fuel cells that generate power through electrochemical reactions and whose products can be converted for other uses.
Also, fossil fuel deposits are finite and non-renewable. Once their deposits become exhausted, there is no way to artificially regenerate them unlike fuel cells.
Answer:
i hope this helps
Explanation:
At what speed will the momentum of a proton (mass 1 u) equal that of an alpha particle (mass 4 u) moving at 0.60 c ? answer in terms of v/c
Answers
In order to find the speed at which the momentum of a proton is equal to that of an alpha particle moving at 0.60 c (c being the speed of light), we can use the conservation of momentum.
The momentum (p) of an object is given by the equation:
p = mass * velocity.
Mass of proton (m₁) = 1 u.
Mass of alpha particle (m₂) = 4 u.
Velocity of alpha particle (v) = 0.60 c.
Let's assume the speed of the proton is v₁.
The momentum of the proton is given by:
p₁ = m₁ * v₁.
The momentum of the alpha particle is given by:
p₂ = m₂ * v.
Since we want the momentum of the proton to be equal to that of the alpha particle, we can set up the equation:
m₁ * v₁ = m₂ * v.
Substituting the given values:
1 u * v₁ = 4 u * (0.60 c).
Simplifying:
v₁ = (4 u * 0.60 c) / 1 u.
= 2.4 c.
Therefore, the speed at which the momentum of the proton is equal to that of the alpha particle moving at 0.60 c is 2.4 times the speed of light (2.4 c), expressed in terms of v/c.
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1. A car is traveling at 36 m/s hits a tree and comes to rest in 0.05 seconds.
a. What is the acceleration of the car?
b. Airbags deploy in a car if the acceleration of a car exceeds -600 m/s^2 Will the airbags deploy?
Answers
Answer: a. -720m/s^2
b. Yes, airbags will deploy
Explanation:
The formula for acceleration is:
= (Final velocity - Initial velocity)/Time
Final velocity = 0m/s
Initial velocity = 36m/s
Time taken = 0.05s
= (Final velocity - Initial velocity)/Time
= (0 - 36)/0.05
= -36/0.05
= -720m/s^2.
Since it's negative, it shows that there was a deceleration.
2. Yes the airbag will deploy since the acceleration gotten is more than -600 m/s^2.
HUUUUURRRRRYYYYY
Latent heat of fusion refers to which changes of state?
liquid to solid or solid to gas
solid to gas or gas to liquid
solid to liquid or liquid to solid
gas to liquid or liquid to gas
Answers
Answer:
solid to gas or gas to liquid
Explanation:
welcome
Answer:
solid to gas or gas to liquid
Explanation:
Edge
1. We expect a conductor to be a constant voltage throughout. The conductive surface (silver marks) is mostly a constant voltage, but sometimes you may observe a millivolts-ish difference between different points on it. What does this mean about said conductive surface?
Answers
Answer:
Answer is explained in the explanation section below.
Explanation:
If the conductor has developed the potential difference. It simply means it is charged.
A conductor can be charged in different scenarios, let's discuss some of it and try to deduce the appropriate meaning for this question.
A conductor can be charged due to ions or
A conductor can be charged if it come across any current carrying conductor, so as to gain induced emf.
So, In both of these case, both can be very reasons for its potential difference.
Derive an Expression for elastic potential energy of a spring
Answers
Answer:
spring force = -K × x , where X is elongation or compression in the spring. ( -) sigh shows that the spring force is opposite to the applied force to cause extension.
Potential energy = work done by spring force = integration of Force.
integrate the force (-K × x) over distance 0 to x .
U = 1/2 K × X^2 ( for elongation)
U = -1/2 × K × X^2 ( for compression)
The density of sodium chloride (table salt) is 2.2 g/cm?. How much volume does 500 g of salt take up?
Answers
500 times 2.2 = 1,100
If the collision is perfectly elastic, what are the final velocities v1 and v2 of objects 1 and 2?.
Answers
If the screen was 30 cm behind the fish, what was the distance spanned by the diffraction spot as it moved back and forth? The screen was in the tank with the fish, so that the entire path of the laser was in water and tissue with an index of refraction close to that of water. The properties of the diffraction pattern were thus determined by the wavelength in water.
Express your answer with the appropriate units
Answers
To determine the distance spanned by the diffraction spot, we need to consider the properties of the diffraction pattern and the given information.
Given:
- The screen is 30 cm behind the fish.
- The entire path of the laser, including the water and tissue, has an index of refraction close to that of water.
- The properties of the diffraction pattern are determined by the wavelength in water.
Since the diffraction pattern is formed by the interaction of light waves with obstacles or apertures, the spot's size or spread depends on factors such as the wavelength of light and the size of the aperture.
Without specific information about the wavelength or aperture size, it is not possible to determine the exact distance spanned by the diffraction spot. Additional details regarding the specific setup or measurements would be necessary to calculate or estimate the distance spanned by the diffraction spot.
Please provide further information or clarify the parameters related to the diffraction setup if you require a more specific answer.
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A 1520 kg car accelerates at a rate of
1.50 m/s². What is the net force on the car?
Answers
Answer:
Your answer is F = 2280 N
Explanation:
The formula for force is \(F=ma\). Given this formula, \(1520\) × \(1.5\) \(= 2280\)
The prelab required you to use the impedance method to calculate the steady-state amplitude and phase (in degrees) of vc to an input vs = cos(2phi ft) where f-1000 Hz (ω = 2phif). The results from the prelab are . Ao=_____Phase, φ =_____degrees
Answers
The steady-state amplitude Ao = 50.03 degrees and phase, φ = -88.7 degrees by using the impedance method.
The given equation for vs is:
vs = cos(2phi ft) ...[1]
where, f = 1000 Hz,
therefore ω = 2φf
ω= 2000π radians/s
Let's find the impedance of the circuit elements.
The impedance of the resistor is R.
The impedance of the capacitor is:
Zc = 1/(jωC)
The impedance of the inductor is:
ZL = jωL
As the capacitor and resistor are connected in series, their total impedance is:
ZC+R = R + 1/(jωC) ...[2]
Now, as the inductor is connected in parallel with the combination of R and C, the total impedance of the circuit is:
Ztotal = (ZC+R) || ZL...[3]
Ztotal = (R + 1/(jωC)) || jωL
Ztotal = 1/[(1/R) + j(1/ωC - ωL)]...[4]
Comparing the real and imaginary parts of the equation [4],
we get, 1/R = √{(1/ωC - ωL)^2} ...[5]and
1/ωC - ωL = 0
or
ωL = 1/ωC ...[6]
From equation [5],
we get, R = 1/√{(1/ωC - ωL)^2} ...[7]
The magnitude of the input voltage Vs is 1 volt.
The amplitude of the steady-state output voltage, Vc is given by:
Voc = Ao x 1VoltA0
Voc = R/ZtotalA0
Voc = R/1/[(1/R) + j(1/ωC - ωL)]A0
Voc = R(1/R) + jR(1/ωC - ωL)A0
Voc = 1 + jR(1/ωC - ωL) ...[8]
From equation [6],
we get: L = 1/(ωC)
L = 1/(2π x 1000)
L = 1.59 x 10-7 H
Substituting L in equation [6],
we get: ωL = ωC
ωL = 1/2π x 1000 x 1.59 x 10-7
ωL = 0.1Ω
From equation [7], we get: R = 1000 Ω
Substituting the value of R and ωL in equation [8],
we get: A0 = 1 + j1000(1/2π x 1000 x 1.59 x 10-7 - 0.1)
A0 = √{(1^2) + (-50.03)^2}
A0 = 50.03 degrees
Let φ be the phase of the output voltage with respect to the input voltage.
Therefore, we have: tanφ = -50.03φ = -88.7 degrees
Therefore, Ao = 50.03 degrees and φ = -88.7 degrees.
Answer: Ao = 50.03 degrees, φ = -88.7 degrees.
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What happens to the observed wavelength if the source of a wave travels toward an observer?
Answers
If the observer and source are moving toward each other, then the frequency increases and the wavelength decreases.
What is dopper effect?The Doppler effect defines the shift in frequency of a wave sound caused by movement of the wave source and/or receiver. We'll talk about it in terms of sound waves, but the Doppler effect applies to any type of wave. The Doppler effect, like ultrasound, has a wide range of uses, from medical (with sound) to police radar and astronomy (with electromagnetic waves).The Doppler effect happens when there is relative motion between the observer and the source, not just for sound. Doppler shifts, for example, occur in the frequency of sound, light, and water waves. When ultrasonography is reflected from blood in a medical diagnosis, Doppler shifts can be utilized to assess velocity.To learn more about dopper effect from the given link
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The old force goes from 10N to 2N while you double each of the masses. What happened to displacement?
Answers
Answer:
5n
Explanation:
10n divided by 2n is 5n
Because sound waves vibrate longitudinally, what can result?
A. Disruptions of fixed waves
B. Changes in the density of air
C. Pressure differences where compressions are rarefied
D. Regions of high pressure and low pressure
Answers
Answer:
D
Explanation:
toke the test Regions of high pressure and low pressure
Name a type of food in which convection helps the cooking process. Explain your answer.
Answers
Answer: vegetable’s
Explanation: because they have nutrients
Meats and vegetables
Convection is a process by which heat is transferred by movement of a heated fluid such as air or water. Convection is a way in which heat travels.The other methods of heat transfer are conduction and radiation.Convection creates a dry atmosphere that caramelizes the sugars faster when roasting, so foods like meats and vegetables get browner, but the interiors stay moistConvection helps in cooking Meats and vegetables.For more information:
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