We can calculate the velocity (v) of a wave by multiplying frequency (f) by its wavelength (λ). This can be said quantitatively as:
v = f × λ
Hope this helps!
We can determine the velocity of a wave when given the frequency and wavelength is given.
What is frequency and wavelength of wave?A wave's frequency essentially indicates how frequently waves happen. In other words, frequency is the quantity of finished wave cycles in a given time interval or the quantity of waves passing a given place in a given time interval, such as per second.
High frequency waves are those that pass a certain place more frequently or that complete more cycles per second. Low-frequency waves travel farther and take longer to reach their destination.
Wavelength can be defined as the distance between two successive crests or troughs of a wave. It is measured in the direction of the wave.
We can determine the velocity of a wave when given the frequency and wavelength.
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Which of the following will happen when the force with which an object pushes down on the ground is equal and opposite to the force with which the ground pushes it up?
Object will move up
Object will move down
Object will move sideways
Object will remain stationary
When forces are balanced, the object remains stationary.
When the force with which an object pushes down on the ground is equal and opposite to the force with which the ground pushes it up, the object will remain stationary. This is because the forces are balanced, resulting in no net force and therefore no motion.
describe what would happen to the volume of gas if the pressure on it were decreased than the gases temperature were increased
If an atom has 34 protons and 40 neutrons, what is its atomic number?
A. 34
B. 74
C. 40
D. 6
the atomic number of an atom is equal to the number of protons the atom has
the answer would be A. 34
The energy of microwaves is less than the energy of ultraviolet light. Which comparison of the energies of electromagnetic waves is correct?
Answer:
Visible light has higher energy than infrared light because visible light has higher frequencies.
Explanation:
higher frequencies have a higher amplitude in turn having more energy.
A plane travels 2.5 KM at an angle of 35 degrees to the ground, then changes direction and travels 5.2 km at an angle of 22 degrees to the ground. What is the magnitude and direction of the planes total displacement??
We can solve for the resultant x and y components by using the sine and cosine functions.
resultant x = 2.5 cos 35 + 5.2 cos 22 = 6.87 km
resultant y = 2.5 sin 35 + 5.2 sin 22 = 3.38 km
The resultant displacement is calculated using hypotenuse equation:
displacement = sqrt (6.87^2 + 3.38^2)
displacement = 7.66 km
The resultant angle is:
θ = tan^-1 (3.38 / 6.87)
θ = 26.20°
Therefore the magnitude and direction is:
7.66 km, 26.20° to the ground
To find the plane's total displacement, we calculate the horizontal and vertical components of each part of the journey, then combine these components. The magnitude is the hypotenuse of the triangle formed by the summed components, while the direction is the angle from the horizontal.
Explanation:We can find the plane's total displacement by breaking the first and second parts of the journey into their respective horizontal and vertical components and then combining these components. Here's how we'll do it step-by-step:
Calculate the horizontal (x) and vertical (y) components of the first displacement using trigonometry:The magnitude is the hypotenuse of the right triangle formed by the x_total and y_total components, and the direction is the angle that this vector makes with the positive x-axis, which is usually horizontal ground-level movement.
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Alice and jim calculate that they must do 1,800 j of work to push a piano up a ramp. however, because they must also overcome friction they actually must do 2,400 j of work. what is the efficiency of the map
A skier slides horizontally along the snow for a distance of 12 m before coming to rest. the coefficient of kinetic friction between the skier and the snow is μk = 0.060. initially, how fast was the skier going?
WILL MARK AS BRAINLIEST
Which statement best describes the relationship between metals and magnets? All metals are attracted to magnets because they are able to create their own magnetic field. All metals are attracted by magnets; this is why we call metals ferromagnetic. Magnets do not have a magnetic field so only some metals are attracted to them. Only some metals are attracted by magnets; these metals are called ferromagnetic.
Only some metals are attracted by magnets; these metals are called ferromagnetic.
Explanation;Magnets are those materials that have the ability of producing magnetic field. Magnets attracts materials called magnetic materials and have no effect on non magnetic materials such as wood.Magnetic materials are materials that are attracted by a magnet, these includes some metal such as iron and steel. However some metals are non-magnetic materials, these include, gold, silver, and copper among others,Therefore, it would be appropriate to say that only some metals are attracted by magnets; these metals are called ferromagnetic.Answer:
Only some metals are attracted by magnets; these metals are called ferromagnetic.
Explanation:
but dont give me brainlist or whatever
Which components are part of all scientific investigations? Check all that apply. scientific question hypothesis variables control procedure conclusion
All scientific investigations include certain core components: a scientific question, a testable hypothesis, defined variables, a control for comparison, a detailed procedure for conducting experiments, and concluding observations that address the hypotheses. These steps are part of the scientific method.
Components of Scientific InvestigationsThe components that are part of all scientific investigations typically include the following:
Scientific question: The foundation of the investigation, where the curiosity or inquiry is articulated.Hypothesis: A testable prediction or explanation that addresses the scientific question.Variables: These are the elements that can be changed or controlled in an experiment, including independent (manipulated) and dependent (observed) variables.Control: This is the standard to which comparisons are made in an experiment.Procedure: The step-by-step plan for conducting the experiment.Conclusion: The summary of the investigation's findings, determining whether the hypothesis is supported or refuted.These components are integral parts of the scientific method, a process primarily used in scientific investigations. The scientific method includes making observations, asking a question, forming a hypothesis, testing the hypothesis, and drawing conclusions. It also emphasizes the importance of communication in sharing results with the scientific community.
A(n)
is a material that takes in a wave when the wave hits it.
Answer: Refractors and absorbers.
Explanation: Almost every material takes in (at least a fraction) of a wave when a wave hits it, where some frequencies or wavelengths may have a bigger percentage taken in.
For electromagnetic waves, a perfect conductor will only reflect the incident wave, and every other case will absorb a part and reflect others.
The type of materials that are "good" by absorbing/transmitting waves are called refractors.
There are other materials called absorbers, but those ones are used for "particles", and you may recall that the light, an electromagnetic wave, can also be viewed as a particle.
If the crate (drawn inside!) is moving at a constant speed in a straight line and the force applied is 310 N, what is the magnitude of the force of friction? 620 N, 155 N, 0 N, or 310 N ? ***not sure how to go about this:( thanks!!
The most common type of lighting unit utilized in street lighting is:
a. metal halide lamps
b. mercury vapor lamp
c. high-intensity sodium vapor lamp
d. incandescent lamp
The san andreas fault zone in california is an example of a ________ plate boundary.
The San Andreas fault zone in California is an example of a transform boundary. The movement of tectonic plates relative to each other make the plate boundaries.
What is plate boundary?Plate boundaries are region between two tectonic plates. Where the plates interact each other by moving past each other or slides away. There are three types of plate boundaries namely, convergent, divergent and transform plate boundaries.
In geology, a strike-slip fault is a crack in the Earth's crustal rocks when the rock masses slide past one another parallel to the strike. It is formed when a rock surface intersects with the surface or another horizontal plane.
The San Andreas Fault is thought to be the transform (strike-slip) border between two significant plates of the Earth's crust: the North American to the north and east and the Northern Pacific to the south and west. The San Andreas fault is a strike-slip fault because the Northern Pacific plate is passing the North American plate laterally in a northerly manner.
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How many inner shell electrons does iodine have?
1. The acronym AUDIENCE serves to remind you of what to consider when analyzing an audience. In the acronym, what does the C stand for? (1 point) caring
cognitive abilities
college education
context
2. What about your audience must you understand before beginning to create an effective design? Select all that apply. (3 points) behaviors
expectations
needs
wants
3. Why is it important for a designer to develop creative strategies? (1 point) Creative strategies can help enhance creativity during the design process. Creative strategies ensure a designer will come up with the perfect design every time. Creative strategies guarantee that the designer keeps an open mind during the design phase. Creative strategies reduce the amount of work a designer has to do when generating a design idea. 4. In creative design, what is the main difference between brainstorming and free association? (1 point) Brainstorming always results in better and more creative ideas than free association. Brainstorming is a more organized approach to creative design than is free association. Free association is not as easy to do as is brainstorming but is far more productive. Free association results in more detailed ideas than brainstorming. 5. Psychologist Sigmund Freud devised this strategy to explore the repressed memories of his patients. (1 point) reverse brainstorming free association connecting ideas perspectives
1. In the acronym AUDIENCE, C stands for context.
2. The audience has to understand needs to create an effective design.
3. It is important to develop these strategies in order to know workable plans and also meet with specific goals.
4. The difference between brainstorming and free association is that Brainstorming is a more organized approach to creative design than free association.
1. The AUDIENCE acronymThis is a way of analyzing and knowing what the expectations of an audience is going to be and the ways to meet the expectations.
2. The needs of the audienceThe speaker must know what the needs of the audience are and the expectations they have to better structure his presentation
3. Creative strategies are the plans that would help the designer meet with his intended goals. It helps to raise creativity.
4. Brainstorming helps to give an organized approach to the way that the design would be carried out.
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Describe the gases that are emitting from a volcanic eruption. What affect do they have on the atmosphere and planet?
An astronaut on another planet drops a 1-kg rock from rest and finds that it falls a vertical distance of 2.5 meters in one second. on this planet, the rock has a weight of: (hint: use d= 1/2 g t^2 to find g; then use w = mg to find weight.)
Answer:
Weight = 5 N
Explanation:
As we know that rock falls a distance of 2.5 m in one second so now we can use kinematics to find the acceleration of the rock
[tex]d = \frac{1}{2}gt^2[/tex]
here we know
d = 2.5 m
t = 1 s
now from above equation we know
[tex]2.5 = \frac{1}{2}g(1)^2[/tex]
[tex]g = 5 m/s^2[/tex]
So here the weight of the rock is given as
[tex]W = mg[/tex]
[tex]W = 1\times 5[/tex]
[tex]W = 5 N[/tex]
QUICCCKKKKK!!!!!!!!!!Stimulus discrimination occurs when an organism generalizes one consequence to many stimuli similar to the discriminative stimulus. Please select the best answer from the choices provided T F
Answer: The given statement is False.
Stimulus discrimination is the tendency of an individual to differentiate between a particular stimulus that is learned and a similar stimulus that is presented to the individual. Thus, it means that organism does not generalizes one consequence to many stimuli that are similar to the discriminative stimulus.
Thus, the given statement is false.
The statement is false. Stimulus discrimination is the ability of an organism to respond differently to different stimuli, not generalizing one consequence to many stimuli similar to the discriminative one.
Explanation:Actually, the student's statement is false. Stimulus discrimination is the ability of an organism to respond differently to different stimuli. It is not generalizing one consequence to many stimuli that are similar to the discriminative stimulus. Rather, it's the capability to discern between a stimulus that signals a consequence and other stimuli that do not.
For instance, in Pavlov’s classical conditioning experiments, dogs were conditioned to salivate when a bell was rung as it became associated with food. But these dogs would not respond to a different sound despite it being similar, which demonstrates stimulus discrimination.
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How do scientists know the true environmental lapse rate in a column of air?
The atomic number of oxygen, 8 indicates that there are eight what???
A.Protons in the nucleusnof an oxygen atom
B.Oxygen nuclides
C.Neutrons outside the oxygen atom's nucleus
D.Energy levels in the oxygen atom's nucleua
The atomic number of oxygen, 8 indicates that there are eight protons in the nucleus of an oxygen atom.
What is the atomic number?The atomic number is also known as the proton number helps us to know the number of protons in the nucleus of every atom of that element.The atomic number also uniquely identifies each chemical element.In an uncharged atom of an element, the number of electrons is equal to the atomic number.Hence, the correct option is A, The atomic number of oxygen, 8 indicates that there are eight protons in the nucleus of an oxygen atom.
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Which statement describes the relationship between plants, animals, and the carbon cycle? Plants use carbon and release oxygen, and animals release carbon and use oxygen. Animals use carbon and release oxygen, and plants release carbon and use oxygen. Animals use carbon through respiration, and plants fix carbon through photosynthesis. Plants use carbon when they decompose, and animals release carbon when they decompose.
The statement that best describes the relationship between plants , animals and carbon cycle is : ( A ) Plants use carbon and release oxygen and animals release carbon and use oxygen.
Carbon cycleIn the carbon cycle plants absorb carbon dioxide from the atmosphere and energy from sunlight and water to produce its food ( photosynthesis ). during photosynthesis plants give back oxygen into the atmosphere which is inhaled by animals during respiration.
Animals take in oxygen while giving out carbon dioxide as a waste product.
Hence we can conclude that the correct statement is plants use carbon and release oxygen and animals release carbon and use oxygen.
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What do we call any space that has no air?
Final answer:
A space with no air is known as a vacuum, an area without matter. Intergalactic space displays this type of emptiness to a profound extent, as the density of atoms is incredibly sparse compared to what we experience on Earth.
Explanation:
Any space that contains no air is referred to as a vacuum. A vacuum is defined in science as a space devoid of any matter, including molecules and atoms.
This concept is crucial in understanding the vastness and emptiness of the universe. For instance, the air we breathe has about 1019 atoms in each cubic centimeter, which seems dense compared to the interstellar gas of the Galaxy, which contains about one atom per cubic centimeter.
However, if we venture further into intergalactic space, we would need to search through a cubic meter to find just one atom on average. This demonstrates the sheer scale of emptiness when we consider the universe beyond our Earth's atmosphere.
In various scientific contexts, such as physics and astronomy, we recognize that while the Galaxy and the observable universe are mostly empty space, anomalies such as interstellar clouds may contain densities of gas and dust exceeding the average by a thousand times or more.
Nevertheless, these dense areas are still closer to a vacuum than any environment we can create on Earth. Even in these denser clusters, the amount of matter is minuscule compared to what we encounter in our day-to-day lives on Earth.
4. A plane traveling at 300.0 km/h attempts to land on a 500 m runway. The plane’s engines and brakes accelerate uniformly at –5.0 m/s2. Will the plane be able to land safely? Show all your work. Include any equations used, the given and unknown. Show all calculations. Express numerical answers with the correct number of significant digits. Remember to carry one or two extra decimal places throughout calculation. Do not round until the end.
When you see steam fog or clouds you are seeing water on the liquid state t or f?
The statement is false that wherever you see the stem, fog, or clouds you are seeing water in a liquid state.
What is a Cloud?In the Earth's atmosphere, clouds are visible collections of minute water droplets or ice crystals. The size, form, and color of clouds vary widely. They can appear big and lumpy or delicate and airy.
Because the small water droplets inside of clouds are closely packed, they typically have a white appearance because they reflect most of the sunlight that strikes them. Our eyes interpret the combined spectrum of sunlight as white. Clouds become darker as rain approaches because the water vapor is condensing into raindrops and widening the spaces between them. It reflects less light. The rain cloud looks to be gray or black.
Therefore, the given statement is false.
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A motor spins up the flywheel with a constant torque of 50 n⋅m. how long does it take the flywheel to reach top speed?
A motor spins upward the flywheel with a persistent torque of 50N⋅m.
What time does it take the flywheel to get to the top speed?
From the equation:
Tj = J*dω/dt
you can get the two equations:
Δt1= J1*Δω/Tj = 240*125.66/50 = 603.17 sec
Δt2= J2*Δω/Tj = 120*125.66/50 = 301.58 sec
A driver in a car traveling at a speed of 26.8 m/s sees a deer 100 m away on the road. Calculate the minimum constant acceleration that is necessary of the car to stop without hitting the deer (assuming the deer does not move).
-4.20 m/s2
-1.75 m/s2
-2.89 m/s2
-3.59 m/s2
A plane is flying due East at 57.0 m/s. However, there is a 13.0 m/s wind blowing towards the North. What would the diagram to find the velocity of the plane look like?
Which statement does not support the explanation for how planets formed by accretion of particles?
As the mass of a particle increases, so does its gravitational influence.
Particles frequently collide with one another at rapid speeds.
As gravity pulls the nebular disk inward, the disk spins faster.
Frequent collisions turned rocks to dust, pushing the dust deeper into space.
Particles rotate in the same direction as the nebular disk
Answer: Frequent collisions turned rocks to dust, pushing the dust deeper into space.
Explanation:
Particles accumulate due to force of gravity in the accretion process. With increase in mass, gravity increases which pulls in more mass. This leads to formation of of bigger massive objects. The frequency of collisions between particles increases. Particles collide and stick with each other. This generates large amount of heat.This is how, planets and other celestial bodies are formed. As gravity pulls the nebular disk inward, the disk spins faster. Particles rotate in the same direction as the nebular disk.
Thus, the statement which does not support formation of planets through accretion process is: Frequent collisions turned rocks to dust, pushing the dust deeper into space.
Answer:
its Frequent collisions turned rocks to dust, pushing the dust deeper into space. D
Explanation:
plato
During an earthquake, where is the greatest motion felt on the surface?
Why might a mountain top and a nearby valley have widely different temperatures?