Write down the equation that relates the wave period and wavelength.

Answer:

ms jones is a good song poggers

Explanation:

Answer:

Sound gets produced when something makes noise, which in turn creates what's called a pressure wave. Then, the pressure wave causes the surrounding particles to vibrate. As those particles vibrate, they make other particles vibrate too, pushing the sound forward through the sound medium. Hope this helps!

Explanation:

The thunder and lightning happen at the same time but sound waves move more slowly than light waves. So if it takes longer for the sound to reach you, therefore the storm is farther away.

A sound wave is described as the pattern of disturbance caused by the movement of energy traveling through a medium such as air, water or any other liquid or solid matter as it propagates away from the source of the sound.

Sound waves are divided into three categories and they :

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The gravitational acceleration on the asteroid is 0.195 m/s².

Gravitational acceleration has an important role in uniform motion. Uniform motion is an object's motion under acceleration. It should follow the rule

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration (gravitational acceleration), t is time and s is displacement.

From the question above, we know that

h = 100 m

vo = 5 m/s

vt = 8 m/s

By substituting the given parameters, we get

vt² = vo² + 2a . s

vt² = vo² + 2g . h

8² = 5² + 2.g . 100

64 = 25 + 200g

g = 0.195 m/s²

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The correct answer is Oxygen (65%) Carbon (18.5%) Hydrogen (9.5%) Nitrogen (3.2%).

Oxygen (O) - 65% - Oxygen and hydrogen combine to make water, which serves as the body's main solvent and a mechanism for controlling temperature and osmotic pressure. Numerous important chemical molecules include oxygen.

With four bonding sites for other atoms, carbon (C), which accounts up 18.5% of the composition, is the important atom in organic chemistry. Proteins, nucleic acids, carbohydrates, and lipids are all composed of carbon chains. Bonds made of carbon may be ruptured to release energy.

Hydrogen (H) - 9.5% - All organic compounds and water both include hydrogen.

Nitrogen (N) - 3.2% The nucleic acids that make up the genetic code and proteins both include nitrogen.

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A main-sequence B star has the greatest surface temperature among the given options. B-type stars are hotter and more massive than A-type stars, which are in turn hotter and more massive than K-type stars.

The star with the highest surface temperature among these three classifications is a main-sequence B star. A, F, G, K, and M stars, which make up the majority of main-sequence stars in the Milky Way galaxy, are hotter and less massive than B-type stars. B stars' surface temperatures typically vary from 10,000 to 30,000 Kelvin (K), with some of the hotter stars exceeding 30,000 K. Surface temperatures of K-type giants range from around 3,500 to 5,000 K, whereas those of A-type supergiants range from about 7,500 to 11,000 K.

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Answer:

90 kgm/s

Explanation:

The cut off frequency of the magnesium atom is obtained as 8.9 * x 10^18 Hz.

The cut off frequency is the lowest frequency of the incident ray at which photoelectric effect occurs.

Given that;

1 eV  gives 1.60 x 10-19 J

3.70 eV  gives 3.70 eV * 1.60 x 10-19 J/1 eV

= 5.92x 10^-19 J

Now;

Wo = hfo

fo = Wo/h

fo = 5.92x 10^-19 J/6.6 * 10^-34

fo = 8.9 * x 10^18 Hz

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Explanation:

Given that,

Mass of an object, m = 250 g = 0.25 kg

Spring constant, k = 48 N/m

The amplitude of the oscillation, A = 5.42 cm = 0.0542 m

1. At equilibrium,

ma = kx

Where

a is the acceleration of the object

So,

\(a=\dfrac{kx}{m}\\\\a=\dfrac{48\times 0.0542}{0.25}\\\\a=10.4\ m/s^2\)

2. The maximum speed of the object is :

\(v=A\omega\\\\v=A\sqrt{\dfrac{k}{m}}\\\\v=0.0542\times \sqrt{\dfrac{48}{0.25}}\\\\v=0.75\ m/s\)

Hence, this is the required solution.

The process shown is an example of alpha emission, as it involves the emission of an alpha particle (consisting of two protons and two neutrons) from the uranium nucleus to form the thorium nucleus.
The process you provided, 23892U → 23490Th + 42He, is an example of:
b) alpha emission

1. Identify the initial element and the products: The initial element is uranium-238 (23892U), and the products are thorium-234 (23490Th) and helium-4 (42He).
2. Compare the initial element and the products: The uranium-238 nucleus loses two protons and two neutrons, forming thorium-234 and a helium-4 nucleus.
3. Determine the type of radioactive decay: Since a helium-4 nucleus (also known as an alpha particle) is emitted, this process is an example of alpha emission.

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Option A. The absolute brightness of a star depends on its size and temperature

The absolute brightness of a star is the amount of light it emits at a standard distance from Earth, regardless of how far away it actually is.

The size and temperature of a star are the primary factors that determine its absolute brightness. The size of the star affects the amount of light it emits, with larger stars emitting more light. The temperature of a star affects the color of the light it emits, with hotter stars emitting bluer light and cooler stars emitting redder light. Both of these factors play a significant role in determining a star's absolute brightness.

Distance and color can also affect a star's brightness, but in different ways. The distance of a star affects its apparent brightness as seen from Earth, but not its absolute brightness. The color of a star can provide information about its temperature and composition, but does not directly determine its absolute brightness.

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Between the value 400 nm and 700 nm there is an infinite amount of real values that can represent the length of a wavelength.

If we consider that each differente wavelength represents a different color, therefore there are infinite possible colors in the interval from 400 nm to 700 nm.

But if we consider only certain intervals of wavelength as certain colors, we can have for example 7 colors:

Violet, Indigo, Blue, Green, Yellow, Orange, Red.

The distance between the 7th and the tenth second is 29.4 m.

We know that we can have to formulate the information that has been given here so as to obtain a proper progression and this would help us to get the common difference of the progression that we are looking at.

Now we know that the progression would look something like; 4.9, 14.7, 24.5 ....

We can see that this is an arithmetic progression that has a common difference of 9.8.

U7 = a + (n - 1)d

a = first term

n = Number of terms

d = common difference

U7 = 4.9 + (7 - 1) 9.8

= 63.7

U10 = 4.9 + (10 - 1) 9.8

U10 = 93.1

Between the 7th and 10th seconds, we have;

93.1 - 63.7

= 29.4 m

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The Helmholtz free energy F can be found by subtracting the product of temperature T and entropy S from the internal energy U. Mathematically, it can be expressed as:
F = U - T * S
Given that the Helmholtz free energy is zero at the state values specified by the subscript 0, we can write the equation as:
F - F_0 = U - U_0 - T * (S - S_0)
Here, F_0, U_0, and S_0 represent the values of Helmholtz free energy, internal energy, and entropy at the specified state values.
Please note that to provide a specific value for the Helmholtz free energy F, you would need to know the values of U, S, U_0, S_0, and the temperature T.

Helmholtz free energy, also known as Helmholtz energy or the Helmholtz function, is a fundamental concept in thermodynamics. It is named after the German physicist Hermann von Helmholtz, who introduced it in the mid-19th century.

In thermodynamics, the Helmholtz free energy is a state function that describes the thermodynamic potential of a system at constant temperature (T), volume (V), and number of particles (N). It is denoted by the symbol F.

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Answer:

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What happens to kinetic energy as velocity increases?

Explanation:

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When the velocity of an object increases, the kinetic energy of the object increases as well.

The kinetic energy of an object is the energy possessed by the object due to its motion.

The kinetic energy of an object in motion is calculated as follows;

K.E = ¹/₂mv²

where;

Thus, from the equation above, when the velocity of an object increases, the kinetic energy of the object increases as well.

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When Diego is in the race, he would be using only aerobic exercise.

The term aerobic exercise has to do with the type of exercise that require brisk repetitive movements in which the consumption of oxygen is elevated during the process.

A person tends to breath faster and more deeply when carrying out an aerobic exercise and the rapid movements is the reason why there is an intense demand for oxygen in the process.

As such, when Diego is in the race, he would be using aerobic exercise.

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The electrical unit that refers to the number of electrons moving through a circuit per second is called amperes, also known as amps.                                                                                                                                                                                      

An ampere measures the rate at which electric current flows through a circuit, and is defined as the amount of charge passing through a point in one second when a steady current of one coulomb flows through the circuit. The symbol for amperes is "A".
One Ampere is equal to the flow of one Coulomb of charge per second. It is an essential parameter in understanding and analyzing electrical circuits and plays a crucial role in various electrical applications. Remember to always exercise caution when working with electrical circuits to ensure safety.

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Answer:

6.76875 • 10 ^-10 F

Explanation:

You just follow the formula:

C = εA/d

ε = 8.85 • 10^-12

A = 3.61 • 10^-4

D = 4.72 • 10 ^-6

So:

C = (8.85 • 10^-12)(3.61 • 10^-4)/4.72 • 10 ^-6 = 6.76875 • 10 ^-10 F

Good Luck!  :)

Digital hearing aids are designed to amplify soft sounds while suppressing loud sounds. This is achieved through advanced signal processing capabilities and adjustable gain settings.

Soft sounds typically have low amplitudes and may be difficult for individuals with hearing loss to perceive. Digital hearing aids use their microphone to capture these soft sounds and convert them into digital signals. The digital signal processor in the hearing aid analyzes and amplifies these signals selectively, boosting their amplitudes to make them more audible to the wearer.

On the other hand, loud sounds can be uncomfortable or even painful for individuals with hearing loss. To ensure listening comfort and protect against further damage, digital hearing aids incorporate compression algorithms. These algorithms automatically detect and limit the amplification of loud sounds, preventing them from reaching uncomfortable or harmful levels.

By differentiating between soft and loud sounds and applying appropriate amplification techniques, digital hearing aids provide a more balanced and comfortable listening experience. They enhance the audibility of soft sounds, helping individuals with hearing loss regain clarity and understanding in quieter environments while maintaining a safe and comfortable listening level in the presence of loud sounds.

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The moon’s orbit is closer to Earth is the event which occurs during high tide.

This occurs once in a month and is the phenomenon in which the moon is

closest to the Earth. This brings about an increase in the tide levels of the

water bodies.

This is the reason why the option B is the most appropriate option as the

moon’s orbit being closer to Earth also signifies a close proximity between

the moon and the earth

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Answer: The answer is: b) The moon’s orbit is closer to Earth.

Explanation: I have my ways :>

Have a great day!

-Sunny

Answer:

bottle opener and door knob

Explanation:

Answer:

bottle opener

door handle

Signals generated by transducers are normally of the order of microvolts to millivolts.

What are transducers?

Transducers are electrical components that transform energy from one form into another. They are electrical sensors that generate an electrical signal based on the quantity being assessed.

A transducer is a device that transforms a physical quantity such as force, pressure, or temperature into an electrical signal. This electrical signal can then be amplified, filtered, or measured in other ways.

Some common examples of transducers include microphones, strain gauges, accelerometers, and thermocouples.

What are the signals generated by transducers?

The signals generated by transducers are normally of the order of microvolts to millivolts. The magnitude of the signal generated depends on the quantity being assessed, as well as the type and sensitivity of the transducer.

In order to use the signal generated by a transducer, it is usually necessary to amplify and filter the signal to remove noise and unwanted frequencies. This can be done using an amplifier or other signal processing equipment.

Overall, the signals generated by transducers are a crucial part of many electronic systems and are used in a wide variety of applications.

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30000 J of work does a bulldozer do in pushing another bulldozer with a force of 1500 n to a distance of 20 meters.

W = F × s

W = work done

F = force, given = 1500 N

s = distance travelled, given = 20 m

Put these values in formula, W = Fs

W = 1500 × 20

W = 30000 J

Therefore, 30000 J of labor does a bulldozer do in pushing every other bulldozer.

The paintings achieved on an item is the amount of strength transferred to an item via paintings. Its formula is W = F × s.  in which, W = paintings completed, F = force, s = distance travelled.

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At Z ... slowest speed

At Y ... fastest speed

At X ... medium speed

Wherever it is in its orbit, the line from the planet to the Sun smears over the same amount of area every second.

That's Kepler's second law of planetary motion.

The reason this happens is: That's how gravity works. (A better explanation is available, but first you have to be able to twirl calculus and solid geometry in the air on long sticks.)

Answer:

The arrangement of the following from loudest to softest include:

crowd at sporting event

airplane

rainfall

whisper

Explanation:

When it comes to the arrangements, the pitch of the noise which emerge is what was considered. For example, crowd at sporting event has the highest pitch especially during football matches followed by the airplane sounds during its take-off and landing in the airports. As for whisper, it happens to be the one with softest sound.

Answer:

Airplane. 1

Whisper. 4

Crowd at sporting event. 2

Rainfall. 3

Explanation:

hope this helps

Answer:

Explanation:

Hey there!!!, there are no attached files/graphs to this question, but we can find our way and solve for the gravitational force acting on the mass

Step one:

given data

mass= 10kg

acceleration due to gravity= 9.81m/s^2

Step two:

The expression for the gravitation force is given as

Gravitational force F=mass * acceleration due to gravity

Fg=ma

substituting we have

Fg=10*9.81

Fg=98.1N

The force due to gravity exerted on the object is most nearly 100N

The capacitance in the RLC series circuit is 106.67 µF.

The resonant frequency (f) of an RLC series circuit is given by the formula:

f = 1 / [2π √(LC)] where L is the inductance in henries, C is the capacitance in farads and π is the mathematical constant pi (3.142).

Rearranging the above formula, we get: C = 1 / [4π²f²L]

Given, Resonant frequency f = 1.5 × 10³ Hz, Self-inductance L = 2.5 mH = 2.5 × 10⁻³ H

Substituting these values in the above formula, we get:

C = 1 / [4π²(1.5 × 10³)²(2.5 × 10⁻³)]≈ 106.67 µF

Therefore, the capacitance in the RLC series circuit is 106.67 µF.

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Answer:

questions

Explanation:

1. what type of friction is air resistance

2. what two factors affect air resistance

3.what does it mean when an object is in free fall