Answers
[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
What Daryl said is correct and the relationship among them is a causation than a correlation, because we know that high pitched sound wave has more frequency than that of low pitched sound wave. and we also know that if the medium is same then velocity of wave is same* so if there is high pitched sound wave, it has shorter wavelength and if there's low pitched sound wave it has longer wavelength. since there's an inverse relationship between wavelength and frequency.
I hope it was easy to understand, let me know if you have doubts ~
Related Questions
Micah, a young adult, reads a diary he kept in high school, laughing at his former self. He wonders how he could
have thought he was so deeply in love that he'd found his soulmate at the age of 13. What part of Micah's brain
has developed since he was 13 to give him this perspective?
Answers
Hypothalamus is the region of brain is the control centre of love and also make the limbic system of our body.
What is hypothalamus?The hypothalamus is the region of the brain that makes up the limbic system and is considered as the control centre of love. It gathers the various stimuli felt by the body such as smells, touches, sounds and formed the physical response to the emotions associated with those stimuli.
So we can conclude that hypothalamus is the region of brain is the control centre of love.
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In science, a new hypothesis must be (mark all correct answers):
1. falsifiable by experimental testing or observations.
2. completely consistent with all previous laws and theories of science.
3. possible to prove correct.
4. based solely on physical causes.
Answers
Answer:
1, 2, and 3.
Explanation:
Hypotheses must be able to be proven false, otherwise it’s a law. It must be consistent with other theories otherwise it’s not true, and it has to be possible to prove correct, otherwise it’s a theory.
The true statement is "Falsifiable by experimental testing or observations." The correct option is 1.
In science, a hypothesis is a proposed explanation or prediction for a phenomenon or set of observations.
A new hypothesis is a fresh idea put forth by a scientist to explain a phenomenon or observation that has not been explained or understood fully by existing scientific theories or hypotheses.
The new hypothesis should be based on previous knowledge and observations, and it should be testable and falsifiable through experiments or observations. Scientists use hypotheses to guide their research and develop theories, which are more comprehensive explanations backed up by multiple lines of evidence.
Therefore, only Option (1) is the correct answer.
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During which month will the pointer stars of the Big Dipper point directly upward, away from the horizon?
Pls helppp
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Answer:
April
Explanation:
How is the duration and intensity of daylight related to the suns apparent path?
Answers
Answer:
I dont know but ask a tutor
Explanation:
MOnkey Srry
Who should be the cert team leader's first concern?
Answers
Answer:
to ensure the safety of those in need
Explanation:
A man standing between two walls fires a gun and hears two echo. if he stands 200m closer to one of the wallsand the time differenve between the two echos is 0.176seconds,detrmine the distance between the walls(sped of sound in air is 340m/s)
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Answer:
850m
Explanation:
The answer should be 850m
I apologize if it is incorrect-
Have a great day!
Anygays-
can someone please tell me how to calculate the initial kinetic energy
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In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2
What makes electromagnets more useful that permanent magnets for sorting metals in recycling centers? A. An electromagnet can separate iron from other metals, but a permanent magnet attracts all types of metal. O B. An electromagnet is always "on" but a permanent magnet has to be turned on and off. C. An electromagnet also attracts metals other than iron, but a permanent magnet attracts only iron. D. An electromagnet can be turned on and off, but a permanent magnet is always "on."
Answers
Answer:
D
Explanation:
Starting in 2009, astronomers have been discovering really cool objects out there (cool here meaning low-temperature, as well as really interesting), which they have called Y dwarfs. What distinguishes these brown dwarfs from others that astronomers have discovered
Answers
These brown dwarfs can be distinguished from other star-like objects because they exhibit absorption lines from the ammonia molecule in the spectra.
What are brown dwarfs?Brown dwarfs are star-like (small) objects in the external space that exhibit very low cold temperatures.
Brown dwarfs are not only small stars but also huge gaseous planets such as Saturn and Jupiter.
In consequence, brown dwarfs are a wide category that includes both planets and star-like objects.
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Which of the following is evidence that electromagnetic radiation can be described by the wave model?(1 point)
Atoms absorb and emit electromagnetic radiation at discrete energy values.
Light from a flashlight spreads out to illuminate a dark room.
Electromagnetic radiation loses energy when it scatters off charged particles.
Light travels from faraway stars to Earth.
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Answer:
Light travels from faraway stars to earth.
Answer:
light from a flashlight spreads out to illuminate a dark room
Explanation:
just took the quiz
whay happen to your eyes when you suddenly exit out of s cinema hall?why?
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Answer:
They take a little bit to adjust to the light.
Explanation:
Because being in the dark cinema for so long, out eyes had gotten used to it being that dark while watching the movie. When we leave or go outside from it, it is a lot brighter out and our eyes arent adjusted.
Which list places different units of matter in the correct sequence from smaller to largest
Answers
Answer:
D. Protons, atoms, rock particles, bricks, buildings
Explanation:
The correct sequence that shows the units of matter from smaller to largest is option A, protons, atoms, rock particles , bricks and buildings.
What are units of matter ?The basic units of matter is called atoms. These atoms are made of subatomic particles namely, protons, electrons and neutrons. The protons and neutrons are located inside nucleus and the electrons are revolving around.
Every substance in the universe are made of atoms. Atoms of different elements combines to form compounds. Different solid compounds and molecules deposits to forms rocks.
Rocks can be molded to bricks and other shapes they are then used to construct buildings. Therefore, the correct sequence of the units of matter from smallest to largest is protons, atoms, rocks, bricks and buildings.
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How much required force is required to move a 100kg box to get it moving? Static friction is 0.5, kinetic friction is 0.3 and gravity is 9.5m/s^2
Answers
Answer:
47.5 N
Explanation:
Given
mass, m = 100 kgcoefficient of static friction, μ(s) = 0.5coefficient of kinetic friction, μ(k) = 0.3gravity due to acceleration, g = 9.5 m/s²Solving
It asks the required force to get it moving ⇒ static frictionForce required to move = μ(s) x m x gF = 0.5 x 100 x 9.5F = 95 x 0.5 = 47.5 NHow much work is done by a constant horizontal 20-N force pushing a 50-kg block a distance of 10 m on a horizontal surface
Answers
Answer:
200 Nm
Explanation:
Work Done by Particular Force = Particular Force × Distance
Hello people ~
If a +ve charge is moved from low to high
potential region, the electric potential energy:
(a) decreases
(b) increases
(c) remain the same
(d) may increase or decrease
Answers
Answer:
The answer is increases.
Explanation:
When positive charge is shifted from a low potential to a high potential region, the electric potential energy increases.
Explanation:
Electric potential energy directly depends upon potential region
Charge always flows from higher density to lower density in case of negative and for positive charge it's vice versa
Hence correct choice is option B
What is Newton's Third law of motion? Explain how this roller coaster
demonstrates Newton's Third law of motion.
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Answer:
Newton's third law of motion says, "For every action there is an equal and opposite reaction." So that applied to the student's roller coaster, between the marble and the track. When the marble went up and down the hill, it created different forces onto the track.
Explanation:
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initial velocity 0 km/hr, final velocity 24km/hr, time 3s, what is acceleration
Answers
Answer:
8 km/hr
Explanation:
Acceleration
=Change in Velocity/ Time
=(24-0)/3
=8
The acceleration of the body is {a} = 8 km/hr².
What is acceleration?Acceleration is defined as the rate of change of velocity per unit time.
Given is -
Initial velocity : 0 km/hr
Final velocity : 24km/hr
Time : 3s
We can write the acceleration as -
a = Δv/Δt
a = (24 - 0)/(3 - 0)
a = 24/3
a = 8 km/hr²
Therefore, the acceleration of the body is {a} = 8 km/hr².
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The region around a magnet in which magnetic forces can act is called the
magnetic field.
domain.
pole.
solenoid.
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Answer:
magnetic fieldExplanation:
The region around a magnet in which magnetic forces can act is called a magnetic field.
Domain is not related to this topic ⇒ MathematicsPole ⇒ Magnets possess both North and South polesSolenoid ⇒ A iron core around which a wire is usually coiledThe ratio of force and mass is known as
A. Velocity B. Momentum C. Acceleration D. Displacement
Answers
Answer:
Acceleration
Explanation:
We know that Force = Mass * Acceleration according to the formula.
Divide both sides by “Mass” which leaves us with Force/Mass = Acceleration, in word, it’s ratio of force and mass equals acceleration.
A saddle weighs 250 newtons. The mass of the saddle is __________ kilograms. Use g = 9.8 N/kg for gravity.
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Answer:
saddle weighs 250 newtons. The mass of the saddle is ____250/9.8 kg______ kilograms. Use g = 9.8 N/kg for gravity.
You walk to school every day. It is 0.5 miles. After school you walk to Kroger, which is 1.3 miles. You leave Kroger to go all back home, which is 0.8 miles. What is the total distance you have walker today?
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An erect object is 50 cm from a concave mirror of radius 60 cm. In the situation above, the object is moved to a new position, such that the new lateral magnification is 2.5. The new object distance, in cm, is closest to:
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For an erect object is 50 cm from a concave mirror of radius 60 cm. In the situation above, the object is moved to a new position, the new object distance is mathematically given as
u = -18cm
What is the new object distance?
Generally, the equation for magnification is mathematically given as
1/f = 1/v +1/u
therefore,
-1/30 = 1/v + 1/u
v = -2.5u
Hence,
-1/30 = -1/2.5u + 1/u
-1/30 = (3/5)u
u = -18
In conclusion, the new object distance is
u = -18cm
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Most meteors burn up in the
Answers
Answer:
the Mesosphere
Most meteors burn up in the mesosphere. Unlike the stratosphere, temperatures once again grow colder as you rise up through the mesosphere.
Explanation:
Have a nice day
Answer:
The Mesosphere
Explanation:
It is the coldest layer.
A radioactive sample starts with 800,000 undecayed nuclei. After 12 hours, 700,000 of the nuclei have decayed. What is the half-life of the sample?
A. 3 hours
B. 12 hours
C. 6 hours
D. 4 hours
Answers
Answer:
100,000 / 800,000 = 1 / 8 amount of sample after 12 hours
(1/2)^n = 1 / 8 after n half-lives 1/8 of sample will be left
n = 3
(D) is the correct answer - 1/2 half-life = 4 hours
If we want to get an estimate for the average distance from the sun to a planet, how might we go about doing this? (Choose one answer):
1. By measuring the eccentricity of the orbit, which is directly
related to the size of the orbit's ellipse and hence the distance
from the sun.
2. Measure its orbital period (the time it takes to complete a
single orbit) because Kepler's third law allows us to calculate
the orbit's semi-major axis from this.
3. This cannot be done without sending a probe to the planet.
We have done this for some planets already, but not others.
Answers
The distance between the sun and a planet can be gotten by measuring its orbital period and applying the Kepler's law.
Kepler's lawsAccording to Keplers third law; the cube of the distance between a planet and the sun is directly proportional to the square of the period of the same planet.
Having said that, we know that we can best measure the distance between the sun and a planet by measuring its orbital period and applying the Kepler's law.
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A bus is traveling at 25 m/s, and a cyclist is traveling at 5 m/s behind the bus, in the same direction. the frequency of a sound coming from the bus is observed by the cyclist to be 1000 hz. approximately what is the frequency of the sound as perceived by the bus driver
Answers
Answer:
Approximately [tex]1061\; {\rm Hz}[/tex] (rounded to the nearest whole number,) assuming that the speed of sound in the air is [tex]330\; {\rm m \cdot s^{-1}}[/tex].
Explanation:
Let [tex]v[/tex] denote the speed of this sound wave: [tex]v = 330\; {\rm m\cdot s^{-1}}[/tex] by assumption.
Let [tex]\Delta v[/tex] denote the speed at which the source (the bus) moves away from the observer (the cyclist.) In this question, [tex]\Delta v = 25\; {\rm m\cdot s^{-1}} - 5\; {\rm m\cdot s^{-1}} = 20\; {\rm m\cdot s^{-1}}[/tex].
Let [tex]d[/tex] denote the distance between the source (the bus) and the observer (the cyclist) when the first crest leaves the source. At a speed of [tex]v[/tex], it would take [tex]d / v[/tex] before the first crest arrive at the observer.
Let [tex]T[/tex] denote the period of this wave. If a crest of this wave leaves the source at [tex]t = 0[/tex], the very next one would leave at [tex]t = T[/tex]. Since the source is moving away from the observer at [tex]\Delta v[/tex], the distance between the two would have since increased from [tex]d[/tex] to [tex](d + \Delta v\times T)[/tex]. At a speed of [tex]v[/tex], this crest would now need [tex](d + \Delta v\times T) / v[/tex] to reach the observer.
In summary:
The first crest leaves the source at [tex]t = 0[/tex] and arrives at the observer at [tex]t = d / v[/tex].The second crest leaves the source at [tex]t = T[/tex] and arrives at the observer at [tex]t = T + (d + \Delta v\times T) / v[/tex].The time difference between the two crests is [tex]T[/tex] at the source. However, at the observer, this difference would have become:
[tex]\begin{aligned} &T + \frac{d + \Delta v\times T}{v} - \frac{d}{v} \\ =\; & T + \frac{\Delta v\times T}{v} \\ =\; & T\times \frac{v + \Delta v}{v}\end{aligned}[/tex].
Therefore, the ratio between the period at the source and at the observer would be:
[tex]\begin{aligned}\frac{T(\text{observer})}{T(\text{source})} &= \frac{\displaystyle T \times \frac{v + \Delta v}{v}}{T} \\ &= \frac{v + \Delta v}{v}\end{aligned}[/tex].
The frequency [tex]f[/tex] of a wave is equal to the reciprocal of its period [tex]T[/tex]. In other words, [tex]f = (1 / T)[/tex]. Therefore:
[tex]\begin{aligned}\frac{f(\text{observer})}{f(\text{source})} &= \frac{T(\text{source})}{T(\text{observer})} \\ &= \frac{v}{v + \Delta v}\end{aligned}[/tex].
Since [tex]f(\text{observer}) = 1000\; {\rm Hz}[/tex], [tex]\Delta v = 20\; {\rm m\cdot s^{-1}}[/tex], and [tex]v = 330\; {\rm m\cdot s^{-1}[/tex] by assumption:
[tex]\begin{aligned} & f(\text{source})\\ =\; & f(\text{observer}) \times \frac{v + \Delta v}{v} \\ =\; & 1000\; {\rm m\cdot s^{-1}} \times \frac{330\; {\rm m\cdot s^{-1}} + 30\; {\rm m\cdot s^{-1}}}{330\; {\rm m\cdot s^{-1}}} \\ \approx\; & 1061\; {\rm m\cdot s^{-1}}\end{aligned}[/tex].
What holds the moon in place, orbiting around earth?
Answers
Answer:
Gravity
Explanation:
Explanation: According to Newton's law of universal gravitation, two massive celestial bodies in space attract each other. This Force of attraction set the moon in motion.
what is work done constant force
Answers
Answer:
W=Fd
This is the equation for it
What is the difference between organic and inorganic material?
Answers
Organic materials comes from living things while inorganic materials comes from non living things
Organic materials are those composed mainly of carbon they are derived from living things while inorganic materials are derived from non living things sucjh as rocks etc
the placement of the Sun, the Moon, and Earth in each circumstance is
Answers
Answer:
Tides and Water Levels
Explanation:
When the sun, moon, and Earth are in alignment (at the time of the new or full moon), the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides—both commonly called spring tides
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