assuming you have a signal that is a sinusoidal wave with a frequency of 100hz, what will be the sampling rate you choose to record the wave without distortion?
Answers
In order to accurately record a sinusoidal wave with a frequency of 100Hz, the sampling rate must be at least twice the frequency, or 200Hz.
The Nyquist-Shannon sampling theorem states that the sampling rate must be at least twice the highest frequency present in the signal in order to accurately reconstruct it without distortion. Therefore, a sampling rate of 200Hz or higher would be appropriate to record the sinusoidal wave without distortion.
To determine the sampling rate for a sinusoidal wave with a frequency of 100 Hz without distortion, you can use the Nyquist-Shannon sampling theorem.
According to the theorem, the sampling rate should be at least twice the highest frequency present in the signal. In this case, the highest frequency is 100 Hz. The minimum sampling rate you should choose to record the wave without distortion is 2 * 100 Hz = 200 Hz.
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Related Questions
When a car goes around a curve of smaller and smaller radius, the centripetal force on it decreases. True or False?
Answers
The given statement, "When a car goes around a curve of smaller and smaller radius, the centripetal force on it decreases." is false.
The centripetal force required to keep a car moving in a curved path at a constant speed is directly proportional to the square of its velocity and inversely proportional to the radius of the curve.
As the radius of the curve decreases, the required centripetal force increases, not decreases. If the centripetal force on the car decreases, it would move out of its circular path, implying a decrease in velocity or radius of curvature.
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the total energy of a system is 300j. if the potential energy is 40j what is the kinetic energy if the object started 300m above the ground?
Answers
Answer:
43.3 m/s.
Explanation:
Assuming the potential energy is due to the gravitational potential energy, we can use the conservation of energy to find the kinetic energy:
Total energy = Potential energy + Kinetic energy
Kinetic energy = Total energy - Potential energy
Kinetic energy = 300 J - 40 J = 260 J
However, we need to know the mass of the object to convert the kinetic energy to velocity. We can use the potential energy to find the mass:
Potential energy = mgh
40 J = m(9.81 m/s^2)(300 m)
m = 0.137 kg
Now we can use the kinetic energy to find the velocity:
Kinetic energy = (1/2)mv^2
260 J = (1/2)(0.137 kg)v^2
v^2 = (2*260 J) / 0.137 kg
v = 43.3 m/s (rounded to one decimal place)
Therefore, the kinetic energy is 260 J and the velocity of the object when it reaches the ground is 43.3 m/s.
Read the passage. Then write a paragraph that explains why the two ecosystems have such different kinds of plants. Use the terms biotic factor, abiotic factor , and limiting factor in your explanation.
Answers
Answer:search this up but put quizzlet at the end it should be there
Explanation:
what is speed of light
\( {?} \)
Answers
Answer:
\(3 \times {10}^{8} m {s}^{ - 1} \)
299 792 458 m / s
Answer:
faster than u
Explanation:
Explain how a helicopter lifts itself up, from a Newton's 3rd Law perspective,
Answers
What is the possible value of Poisson' ratio of a substance?
Answers
Answer:
−1.0 and +0.5
Explanation:
A planoconvex lucite lens 4.2 cm in diameter is Part A placed on a flat piece of glass as in the figure 34-18 in the textbook. When 580−nm light is incident What is the radius of curvature of the lens surface? normally, 42 bright rings are observed, the last one right at the edge. Express your answer using two significant figures. Part B What is the focal length of the lens? Express your answer using two significant figures.
Answers
Part A: The radius of curvature of the lens surface is approximately 3.17 m. Part B: The focal length of the lens is approximately 1.59 m.
How to find radius and length?Part A:
To find the radius of curvature of the lens surface, use the formula for the radius of the nth bright ring in a planoconvex lens:
r = √(n × λ × f),
where r = radius of the nth bright ring, λ = wavelength of light, and f = focal length of the lens.
In this case, n = 42 (since the last bright ring is observed at the edge), λ = 580 nm (converted to meters, so λ = 580 × 10⁻⁹ m).
Rearranging the formula, solve for f:
f = r² / (n × λ).
Plugging in the values:
f = (0.021 m²) / (42 × 580 × 10⁻⁹ m).
Calculating this expression gives:
f = 3.17 m.
Therefore, the radius of curvature of the lens surface is approximately 3.17 m.
Part B:
The focal length of the lens can be determined using the formula:
f = R / 2,
where R = radius of curvature.
Plugging in the value for the radius of curvature obtained in Part A:
f = 3.17 m / 2.
Calculating this expression gives:
f = 1.59 m.
Therefore, the focal length of the lens is approximately 1.59 m.
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is polaris a circumpolar star in the sky of new york?
Answers
Yes, New York's sky has a circumpolar star named Polaris. This indicates that from the viewpoint of an observer in New York, it appears to move in a round path around the celestial pole and never sets below the horizon.
As a result, New Yorkers may see Polaris year-round in the northern sky.
Bright star Polaris is part of the Little Dipper, or Ursa Minor, constellation. As it appears quite near the north celestial pole in the sky and seems motionless while the other stars appear to move around it, it is also known as the North Star. One of the brightest stars in the night sky, Polaris is noteworthy for its specific function as a navigational aid. It is a helpful reference point for identifying direction and position, especially in the northern hemisphere, due to its proximity to the celestial pole. Polaris is also a multiple star system, including a main star and two minor companion stars.
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an inductor is connected to a 13 khz oscillator. the peak current is 66 ma when the rms voltage is 6.0 v . What is the value of the inductance L ? Express your answer to two significant figures and include the appropriate units.
Answers
An inductor is connected to 13 khz oscillator , the value of inductance , L = 9.55 × 10 ⁻⁴ Henry , When rms voltage is 6.0 v .
9.55 × 10 ⁻⁴ Henry is the same as the value of the inductance (L) in this oscillating circuit.
With the following information:
Oscillator frequency is 18 kHz.
Peak current is 70 mA.
Rms voltage is 5.4 V.
To figure out the inductance (L), follow these steps:
To begin, we would use the following formula to determine the current's root mean square (rms) :
I rms = I₀ /√2
= 70 × 10 ⁻³ / 1.4142
I rms = 0.050 A
The following formula would be used to determine the oscillator's inductive reactance:
XL = V rms / I rms
XL = 5.4 / 0.050
= 108 ohms
We can now solve for the inductance value (L) :
L = XL / 2 πf
Where:
L is the inductance.The frequency is f.XL is the reactance inductive.We have, by substituting the parameters into the formula:
L = 108 / 2 × 3 .142 × 13 × 10³
L = 108 / 113112
L = 9.55 × 10 ⁻⁴ Henry .
What does "inductive reactance" imply?The magnetic field that surrounds a current-carrying wire or coil is known as inductive reactance. In such an inductor or conductor, an alternating current creates an alternating magnetic field that has an effect on both the voltage (potential difference) and the current inside. Similar to the opposition to direct current (DC) in a resistance, inductive reactance is the property of an inductive coil that resists the change in alternating current (AC) through it.
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The volume of helium in a blimp is 6. 28 × 109 milliliters. The density of helium in the blimp is 0. 1786. Find the mass of the helium in the blimp. (Hint: 1,000 L = 1 cubic meter. ) A. 1,120 kg B. 1. 12 kg C. 3. 52 × 107 kg D. 2,840 kg.
Answers
Density is defined as the ratio of the mass per unit volume. Its unit is kg/m³. the mass of the helium in the blimp is 1.22 × 10⁻³ kg.
What is density?Density is defined as the mass per unit volume. It is an important parameter in order to understand the fluid and its properties. Its unit is kg/m³.
The mass and density relation is given as
mass = density × volume
The given data in the problem as ;
v is the volume of gas=-6.28 × 109 ml =6.8452 × 10⁻³ cubic centimeter
ρ is the density = 0.1786 kg/cm³
m is the mass of helium gas =?
The mass and density relation is given as
mass = density × volume
m=ρv
m=0.1786 ×( 6.8452 × 10⁻³)
m=1.22 × 10⁻³ kg
Hence the mass of the helium in the blimp is 1.22 × 10⁻³ kg.
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A 2kg book is held against a vertical wall. The coefficient of friction is 0.45. What is the minimum force that must be applied on the book, perpendicular to the wall, to prevent the book from slipping down the wal
Answers
We have that for the Question "A 2kg book is held against a vertical wall. The coefficient of friction is 0.45. What is the minimum force that must be applied on the book, perpendicular to the wall, to prevent the book from slipping down the wal" it can be said that the minimum force that must be applied on the book is
F=44N
From the question we are told
A 2kg book is held against a vertical wall. The coefficient of friction is 0.45. What is the minimum force that must be applied on the book, perpendicular to the wall, to prevent the book from slipping down the wal
Generally the equation for the Force is mathematically given as
\(F=\frac{mg}{\mu}\\\\F=\frac{2*9.8}{0.45}\\\\\)
F=44N
Therefore
the minimum force that must be applied on the book is
F=44N
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A) 750gm
11. Ifa rectangular solid box of aluminum is heated, which of the following is not true?
A) Its mass remains constant
Cits density increase
B) Its volume increase
Do none of the above
Answers
Given :
A rectangular solid box of aluminum is heated.
To Find :
Which of the following is not true.
A) Its mass remains constant
C) its density increase
B) Its volume increase
D) none of the above
Solution :
We know, when an object is heated it expands.
Objects expands means that the volume increases but mass remains same by conservation of mass.
Since mass remains constant and volume increases.
So, density will decrease.
Hence, this is the required solution.
HELP PLEASEEE
Two identical balls roll down opposite
sides of a fnctionless platform, which one will be going faster at the bottom?
Answers
Answer: Ball #1
Explanation:
Since the platform is more inclined, it will allow the ball to roll down faster.
A football player kicks a ball from ground level with an initial velocity of 22.0 m/s, 35.0° above the horizontal. What is the ball's initial velocity in the y-axis?
-please provide a step by step explanation
Answers
Answer:
Explanation: V°( INITIAL VELOCITY ) = 22 m/S
ANGLE (THETA) = 35°
V°Y( INITIAL VELOCITY AT Y AXIS ) = ?
AS WE KNOW THAT
V°Y = V°sin ∅
V°Y = 22 sin 35
V°Y = 12.61 m/s
A planet is orbiting its star at a maximum radius of 1.2 x 10^7 meters. If the mass of the star is 2 x 10^30 kg, what is the time period of the orbit?
22.6 seconds
A. 80 seconds
B. 22.6 days
C.80 days
D.22.6 minutes
Answers
Cccccccccccccccccccccccccccccc
is it nessesary to have a break in a swiming pool after you eat?
Answers
Answer:
yes
Explanation:
because you have to eat so that you can have strength of swimming again
If you pull back on a rubber band with a rock in it and then let go, which is this an example of.
Answers
Answer:
elastic potential energy
Explanation:
The situation above shows an example of an "elastic potential energy." This type of potential energy depends on the force being applied to the elastic object.
In the situation above, the elastic object is the rubber band. The resultant energy is then being stored until such time that this object will be freed. Once this happens, the elastic object will revert to its original form and the rock will soar (be released).
The amount of energy that is being stored largely depends on the distance of the "stretch" being applied to the object. It is said that the greater the force, the greater the stretch and the greater the distance covered by the rock (and vice-versa).
5)
A 2.0-meter length of copper wire is connected across a potential difference of 24 millivolts.
The current through the wire is 0.40 ampere. The same copper wire at the same temperature
Is then connected across a potential difference of 48 millivolts. The current through the wire
is
A)
0.20 A
B)
0.80 A
C)
1.6 A
D)
0.40 A
Answers
Answer:
The current through the wire is equal to 0.8 A.
Explanation:
Given that,
The length of a copper wire = 2 m
Potential difference = 24 mV
The current through the wire is 0.40 A.
The new potential difference is 48 mV.
We need to find the current through the wire.
As the potential difference is doubled for second wire. So the new current will be :
I' = 2I
= 2 × 0.4
= 0.80 A
So, the current through the wire is equal to 0.8 A.
/
James is investigating the germination of bean seeds. He will plant 30 bean seeds
each in three identical 30-centimeter-by-30-centimeter square containers and plans
to give the same amount of sunlight and water to each container. He will place each
container in a different room, with each room at a different temperature. Which of
these hypotheses is the most appropriate for this research project?
If the size of the container increases, then the number of seeds that germinate
will increase.
If the temperature of the room decreases, then the number of seeds that
germinate will decrease.
o If the amount of water given to the seeds increases, then the number of seeds
that germinate will increase.
If the number of seeds planted in the container increases, then the number of
seeds that germinate will decrease.
Answers
Answer:
The amount of sunlight
Explanation:
The sun is independent but the plants are dependent on the sunlight
A 40,000 kg locomotive is moving at a velocity of 11 m/s east. What is the magnitude of the locomotive's momentum? A. 440,000 kg m/s B. 480,000 kg m/s C. 3,636 kg m/s D. 495,000 kg m/s
Answers
Momentum=mass*velocity=40,000*11=440,000 kg m/s.
What is Momentum?The word "momentum" is frequently used in sports. A squad that is moving forward and has momentum will be difficult to stop. A team that is genuinely moving forward and gaining momentum will be challenging to stop.
A physics phrase, momentum describes the amount of motion that an item has. The momentum belongs to a sports team that is actively playing. An object has momentum if it is moving or in motion.
The definition of momentum is "mass in motion." Since every item has mass, if it is moving, it must have momentum because its mass is in motion.
Therefore, Momentum=mass*velocity=40,000*11=440,000 kg m/s.
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1. A 0.1 mm diameter glass tube is inserted into a ethyl alcohol at 20 degree centigrade in a cup. How much does the Glycerin rise in the tube. The angle of alcohol with tube is 0 degree. D=0.1 mm=0.001 m 0∘ alcohol angel 20∘ ethyl alcohol η=1.1×10^−3 N⋅sec/ m^2sg=.0.79
Answers
A 0.1mm diameter glass tube is inserted into an ethyl alcohol at 20 degrees centigrade in a cup. The angle of alcohol with the tube is 0 degrees. D = 0.1 mm = 0.001m, alcohol angle is 0 degrees, ethyl alcohol
\(η=1.1×10^-3 N⋅sec/ m², s_g\)
=0.79.
We have to determine how much glycerin rises in the tube. The force that moves the liquid through the tube is the difference between the downward force of gravity on the liquid column and the upward capillary force produced by the surface tension of the liquid against the walls of the tube.
The height to which the fluid rises in a capillary tube may be measured by balancing the capillary force against the force of gravity on the column.
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the action spectrum is broader than the absorption spectrum because
Answers
The action spectrum is broader than the absorption spectrum because it takes into account all wavelengths of light that can drive a particular biological process, not just those absorbed by a specific pigment.
The action spectrum shows the efficiency of a biological process, such as photosynthesis or vision, at different wavelengths of light. It measures the biological response to each wavelength, regardless of which pigment is responsible for absorbing the light.
On the other hand, the absorption spectrum only shows the wavelengths absorbed by a particular pigment, such as chlorophyll or rhodopsin. Therefore, the action spectrum is broader than the absorption spectrum because it considers all the wavelengths that can activate the biological process, while the absorption spectrum only shows the wavelengths absorbed by a specific pigment.
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A farsighted man uses eyeglasses with a refractive power of 3.80 diopters. Wearing the glasses 0.0250 m from his eyes, he is able to read books held no closer than 0.280 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?
Answers
The correct contact lens prescription for the farsighted man would be -34.8 diopters.
The man's current eyeglasses have a refractive power of 3.80 diopters and are held 0.0250 m from his eyes. He is able to read books held no closer than 0.280 m from his eyes with them on.
To find the correct contact lens prescription, we need to use the formula 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance.
We know that do = 0.280 m and di = -0.0250 m (since the contact lens will be directly on the eye), so we can solve for f.
Plugging in the values, we get f = -0.0287 m.
To find the power of the contact lens, we use the formula P = 1/f, which gives us P = -34.8 diopters.
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PLEASE HELP! (I’m in 8th grade so if you could try to make it soils like an 8th grader)
Wave A has a high frequency. Wave B has the same amplitude as Wave A,
but transfers a third of the energy. What can you infer about the relative frequency of Wave B? Explain your answer.
Answers
Answer:
Wave A and B have the same pitch, but Wave A is a quieter/softer sound. Wave A and B have the same pitch, but Wave B is a quieter/softer sound. Which sound wave shows the loudest sound?
Explanation:
i tried to help as quick as i could good luck
What parts are found in an electric generator? select 4 options. an armature a battery a permanent magnet an electromagnet brushes slip rings
Answers
The parts found in an electric generator for the conversion of electric energy into other forms of energy such as mechanical or chemical energy are an armature, a permanent magnet, an electromagnet brushes, and slip rings.
What is electric generator?
An electric generator is a device that converts motive power into electric power for use in an external circuit.
Parts of electric generators include the following;
an armaturea permanent magnetan electromagnet brushesslip ringsThese parts of electric generator helps in the generation of electricity or conversion of electric energy into mechanical energy or light energy or chemical energy.
Thus, the parts found in an electric generator for the conversion of electric energy into other forms of energy such as mechanical or chemical energy are an armature, a permanent magnet, an electromagnet brushes, and slip rings.
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Answer:
armature
permanent magnet
electromagnet
brushes
slip rings
Explanation:
edge 2022-2023
If john and sam each push on a boulder with a force of 30n, but in opposite directions, what will happen to the boulder?a. the boulder moves towards sam b. the boulder moves away from john and sam c. the boulder moves towards john d. the boulder will not move.
Answers
Answer: D
Explanation:
They are exerting the same amount of force on each side which means that there is no net movement.
Answer:D
Explanation:
they are pushing at the same strength so it will not move.
HELP ME PLEASE WITH MY HOMEWORK ILL GIVE BRAINLIEST
Answers
Answer: Mass
Explanation:
A simulation shows whether changing various weather conditions increases the likelihood that a hurricane will form. which type of model is this?
Answers
The type of model used is most likely to be conceptual because it shows the relationship between cause and effect.
What is a simulation?A simulation can be defined as a model which is designed and developed to imitate the operation of an existing (proposed) real-life system or natural phenomenon, so as to enhance the ability to study, analyze, and make informed decisions about it.
Generally, there are different types of simulation and these include the following:
Mathematical model.Conceptual model.Computer-generated model.Physical model.In this scenario, the simulation which shows whether changing various weather conditions increases the likelihood that a hurricane will form is missing.
Thus, I would infer that the type of model used is most likely to be conceptual because it shows the relationship between cause and effect.
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Based on what you learned about astronomy from space, select all of the correct statements from the following list.
The Compton, Chandra and Spitzer telescopes are all examples of space telescopes.
Most types of electromagnetic waves are not visible to ground-based telescopes.
Enough infrared energy gets to Earth's surface that infrared telescopes do not need to be put in orbit.
Cosmic rays are the absolute highest-energy type of electromagnetic wave.
The Hubble Space Telescope makes observations at all wavelengths.
Earth's atmosphere has no effect on visible light, so there is no need to place an optical telescope in space.
Answers
All for the sattement A, B, and E is True and satement C, D, and F is False where you learned about astronomy from space.
A .The Compton, Chandra and Spitzer telescopes are all examples of space telescopes.
-This statement is True.
B. Most types of electromagnetic waves are not visible to ground-based telescopes.
-This statement is True.
C. Enough infrared energy gets to Earth's surface that infrared telescopes do not need to be put in orbit.
-This statement is False.
D. Cosmic rays are the absolute highest-energy type of electromagnetic wave.
-This statement is False.
E. The Hubble Space Telescope makes observations at all wavelengths.
-This statement is True.
F. Earth's atmosphere has no effect on visible light, so there is no need to place an optical telescope in space.
-This statement is False.
Astronomy is the scientific study of celestial objects and phenomena, including stars, planets, galaxies, and the universe as a whole. Astronomers use various tools and techniques, such as telescopes, spectroscopy, and astrophysics, to observe and understand the properties and behavior of these celestial objects.
Through the study of astronomy, scientists have discovered many fascinating things about the universe, such as the existence of black holes, the age and size of the universe, and the formation and evolution of stars and galaxies. Astronomy has also played a significant role in advancing our understanding of fundamental physics, including the laws of gravity and the behavior of matter and energy at extreme conditions.
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If the voltage of a circuit is 6V, and the power is 4W, what is its resistance?
Answers
Answer:
9 ohms
Explanation:
P = V²/R
R = v²/p = 6²/4 = 36/4 = 9 ohms.
The resistance is 9 Ohm.
To find the resistance, we need to know about the power in term of resistance and voltage.
What is the value of power in terms of resistance and voltage?We know that power=work/timeElectrostatics work is given as voltage ×charge. So, power=(Voltage×charge)/timeAgain, charge/time is given as current. So, power = Voltage×currentFrom Ohm's law, we know that current=voltage/resistance. So, power= voltage ²/resistance. What is the resistance, if power is 4W and voltage is 6V?Resistance in term of power and voltage is given as Resistance= voltage ²/powerSo, resistance=6²/4=36/4= 9 OhmThus, we can conclude that the resistance is 9 Ohm.
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