A 10-bit D/A converter has VFS = 5.12 V. What is the output voltage for a binary input code of (1100010001)? What is VLSB? What is the size of the MSB? ANSWERS: 3.925 V; 5 mV; 2.56 V

Answer:

c. The smallest part of helium

Water molecule \(\rm (H_2O)\) is not an example of an atom. Two hydrogen atoms (H) bond with one oxygen atom (O) to make the chemical. Therefore, the correct option is A.

The fundamental unit of matter is the atom, which is composed of an electron-orbiting nucleus containing protons and neutrons. It is the smallest, indivisible unit of an element and it still has all of its original chemical properties.

Options B and C, on the other hand, give a detailed description of specific chemical elements such as oxygen and helium, which are examples of atoms. The fundamental building block of an element is an atom, which is made up of an electron-bound nucleus (which consists of protons and neutrons).

Therefore, the correct option is A.

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The turntable rotates very slowly at 60 rpm, hence the coin does not slide off as the static friction force is greater than the centripetal force.

Missing data from the question:

Static coefficients of friction (μs) = 0.8

Kinetic coefficients of friction (μk) = 0.5

There are two forces works on the coin, the friction force and the centripetal force. The coin will start to slide off if the centripetal force is equal to the maximum static friction force.

Let:

Fs =  static friction force

Fc = centripetal force

Fs = μs . mg

Fc = m . v²/R = m . ω²R

Where:

m = coin's mass

g = gravitational acceleration = 10 m/s²

ω = angular velocity

Parameters given:

R = 15 cm = 15 . 10⁻² m

m = 5 gram = 5 . 10⁻³ kg

ω = 60 rpm = 60 . 2π/60 =  2π rad/s

Hence,

Fs = μs . mg = 0.8 . 5 . 10⁻³ . 10 = 4 . 10⁻² N

Fc =  m . ω²R = 5 . 10⁻³ . (2π)² . 15. 10⁻² = 2.96 .10⁻² N

Since Fs > Fc, hence the coin does not slide off.

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The specific latent heat of vaporization of water given by the student's data is 2800000 J/kg, with the unit joules per kilogram (J/kg).

First we can use the formula:

Q = mL

where

From the given information, the mass of water is:

m = final mass - initial mass

m = 0.071 kg - 0.080 kg

m = -0.009 kg (Note: The negative sign indicates a decrease in mass)

The energy transferred by the immersion heater is Q = 25200 J.

Plugging in these values into the formula, we get:

25200 J = (-0.009 kg) x L

Solving for L, we get:

L = -25200 J / (-0.009 kg)

L = 2800000 J/kg

Therefore, the specific latent heat of vaporization of water given by the student's data is 2800000 J/kg, with the unit joules per kilogram (J/kg).

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Based on the galaxies found in the local group of galaxies, the most common type of galaxy in the universe is expected to be the dwarf galaxy. Dwarf galaxies are smaller and less massive than other types of galaxies, such as spiral or elliptical galaxies. They contain fewer stars, with some having only a few hundred or thousand stars, compared to the billions of stars found in larger galaxies.

Dwarf galaxies are also much more numerous than larger galaxies, making up about 80% of the galaxies in the universe. They are thought to have formed early in the history of the universe, and their small size means they have experienced less evolution and disruption than larger galaxies.

Despite their small size, dwarf galaxies play an important role in the evolution of the universe. They are believed to be the building blocks of larger galaxies, and their dark matter content may provide clues to the nature of dark matter, which makes up about 85% of the matter in the universe. Overall, the prevalence of dwarf galaxies suggests that they are an important piece in understanding the structure and evolution of the universe.

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Mirror neurons most clearly provide us with the capacity for imitation. Option D is the correct answer.

An animal's mirror neurons fire when it performs an activity and when it witnesses another animal performing the same behavior. As a result, the neuron "mirrors" the actions of the other just like the observer were behaving independently. Option D is the correct answer.

Direct observations of these neurons in human, ape, and avian species have been made. In the premotor cortex, the supplementary motor region, the main somatosensory cortex, and the inferior parietal cortex of humans, activity that is similar to that of mirror neurons has been seen. Many theories exist about the mirror system's purpose in humans. The imitative resonance behaviors of birds have been demonstrated, and neurological data points to the existence of a mirrored system.

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The complete question is, "Mirror neurons most clearly provide us with the capacity for

A) instinctive drift.

B) intrinsic motivation.

C) fixed-interval reinforcement.

D) imitation."

Mirror neurons provide us with the capacity for understanding the actions and intentions of others, learning by observation, empathy, and language development.

Mirror neurons are a type of brain cell that were first discovered in the 1990s. They are located in the premotor cortex, which is an area of the brain involved in planning and executing movements. Mirror neurons are unique because they fire both when an individual performs an action and when they observe someone else performing the same action. This mirroring effect is believed to play a role in understanding the actions and intentions of others, as well as in learning and imitation.

One of the key functions of mirror neurons is their role in empathy. When we observe someone else experiencing an emotion or performing an action, our mirror neurons fire as if we were experiencing the same thing ourselves. This allows us to understand and interpret the emotions and actions of others, which is essential for social interaction and communication.

Mirror neurons also play a role in learning by observation. When we observe someone else performing a task, our mirror neurons fire as if we were performing the task ourselves. This allows us to learn and imitate the actions of others, which is crucial for acquiring new skills and knowledge.

In addition to empathy and learning, mirror neurons are also involved in language development. It is believed that mirror neurons help us understand the meaning of words by linking them to the actions and experiences we observe in others. This connection between language and action is essential for effective communication.

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Answer:

14.3 x 10^8Hz

Explanation:

Using

Frequency= speed of light /wavelength

Then substituting

3*10^8m/s / 0.21m

= 14.3 x10^8 Hz

Explanation:

First train has 2 hr * 45 km/hr = 90 km   head start

  Closing speed between the two trains   745 - 45 = 30 km

to cover the 90 km between them will take 3 hours

  and the second train will be at  75 km/hr * 3 hr = 225 km from the station

The induced emf is found as -0.0531 V. When the flux coupling with a conductor or coil changes, electromotive Force, or EMF, is said to be induced.

Emf is the production of a potential difference in a coil as a result of changes in the magnetic flux passing through it.

From Lenz law,the the induced EMF is found as;

\(\rm e=- \frac{\triangle \phi _B}{\triangle t } \\\\\rm e=- \frac{A\triangle B}{\triangle t } \\\\ e= -\frac{\pi r^2(0-1.10)}{0.15} \\\\ e=-0.0531 \ V\)

Hence,the induced emf is found as -0.0531 V.

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Answer:

54880

Explanation:

Answer:

Because it is made by two different unit force (F) and displacement(s)

According to the Skygazer's Almanac for 2022 at 40 degrees, Venus and Saturn will be in opposite parts of the sky on December 17, 2022.

The Skygazer's Almanac provides astronomical information for a specific location and year. In this case, at a latitude of 40 degrees, the almanac indicates that Venus and Saturn will be in opposite parts of the sky on December 17, 2022. This means that Venus and Saturn will appear at opposite sides of the celestial sphere as observed from Earth. However, it's important to note that the almanac's predictions are approximate and can be influenced by various factors, including atmospheric conditions and the observer's specific location. To obtain the most accurate and up-to-date information, it is recommended to consult more recent astronomical sources or use specialized software that can provide precise positions and dates for celestial events.

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Answer:

atomic 11

Explanation:

atomic 11 Na is metal

Answer:

I put both in an image so there is no plagiarizing.

Explanation:

Hope it helps!

Answer: C) Mass/Weight

Explanation: You shoulda finished typing your question, the second part didn't give me much.

But, Mass is the amount of matter on an object

Since Mass is the first answer C is your best choice

Answer: decantation and screening

Explanation:

Answer:

it is A

Explanation:

the person above me helped

Answer:

Due to the resistance of air, a drag force acts on a falling body (parachute) to slow down its motion. Without air resistance, or drag, objects would continue to increase speed until they hit the ground. The larger the object, the greater its air resistance. Parachutes use a large canopy to increase air resistance. Also, Once the parachute is opened, the air resistance overwhelms the downward force of gravity. The net force and the acceleration on the falling skydiver is upward. An upward net force on a downward falling object would cause that object to slow down. The skydiver thus slows down. Sorry if not helpful.

The momentum flow rate through the pipe carrying liquid ammonia is 1 × \(10^6\) kg·m/s.

The flow rate of momentum (Ṁ) through the pipe can be calculated by multiplying the mass flow rate (ṁ) by the velocity (v). The speed can be determined using the equation v = ṁ / (ρA), where ρ is the density of the liquid ammonia and A is the pipe's cross-sectional area.

Given:

ṁ = 100 kg/s

A = 0.01 m²

Assuming the density (ρ) of liquid ammonia is 700 kg/m³, we can calculate the velocity (v):

v = ṁ / (ρA)

v = 100 kg/s / (700 kg/m³ × 0.01 m²)

v = 10000 m/s

Now, we can calculate the flow rate of momentum (Ṁ):

Ṁ = ṁv

Ṁ = 100 kg/s × 10000 m/s

Ṁ = 1 × \(10^6\) kg·m/s

Therefore, the momentum flow rate through the pipe is 1 × \(10^6\) kg·m/s.

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Answer: I think the answer would be B 1/4

Explanation:

The sound intensity drops to 1/4 its original value when you double your distance from the speaker. The correct option is b.

Sound intensity is defined as the power transferred per unit area perpendicular to the direction of wave propagation, and it follows the inverse square law. This means that as you move away from the source of the sound, the sound intensity decreases proportionally to the inverse square of the distance.

In other words, if you double your distance from the speaker, you increase the distance by a factor of 2² = 4. Therefore, the sound intensity decreases by a factor of 1/4 or 0.25. So, the correct answer is option b, which states that the sound intensity drops to 1/4 its original value.

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Answer:

it would be coal

Explanation:

coal is the most used energy source in many countries as of China , India and, the United States

Coal is a primary energy source used by power plants to generate electricity

Electricity generation plants convert the chemical energy of fuel into electricity. Coal, oil, natural gas and nuclear fuels are the energy sources most commonly used for generating electricity.

"Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests."

"A fundamental form of energy observable in positive and negative forms that occurs naturally (as in lightning) or is produced (as in a generator) and that is expressed in terms of the movement and interaction of electrons. "

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Aluminum's density is 1.2 gm/ cm^3.

The distribution of a quantity (such as mass, electricity, or energy) per unit, kind of space; the amount per unit of length, area, or volume. the substance's mass per unit volume.

The density of an object is determined by its mass to volume ratio. Density is commonly measured in grammes per cubic centimetre (g/cm3).

The bottle weighs a total of 90g.

The bottle has a volume of 50cm3.

Total density is equal to mass times volume.

= 90/ 50

= 1.8 gm/cm3 and the mass of water is now 90 - 60 = 30 gm.

50 cm3 of space

Mass/Volume Equals Density

= 30/ 50

= 0.6 gram/cm3 Currently,

The density of aluminium is 1.8-06.

= 1.2 gm/ cm^3

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Answer:

I think it's moving towards the reference point

The tension does no (zero) work

F· S = W

Since the tension is perpendicular to the direction of motion, and there is no change in S the work done is zero.

The maximum magnitude of the resultant R = A + B is 38 m, and the minimum magnitude is 10 m.

To find the maximum and minimum potential values of the magnitude of the resultant vector, we need to consider the different possible combinations of the given displacement vectors A and B. The magnitude of the resultant vector R is determined by the vector addition of A and B.

In this case, we have A = 14 m and B = 24 m. To find the maximum magnitude, we add the magnitudes of A and B: R_max = 14 m + 24 m = 38 m. This occurs when both vectors are in the same direction and add up to give the maximum possible value.

To find the minimum magnitude, we subtract the magnitudes of A and B: R_min = |14 m - 24 m| = |-10 m| = 10 m. This occurs when the two vectors are in opposite directions and cancel each other out to give the minimum possible value.

Therefore, the largest potential value of the magnitude of the resultant R = A + B is 38 m, and the smallest potential value is 10 m.

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The pole vaulters downward vertical velocity at the end of this second is. 9.81 m/s. The correct option is b.

When an object falls freely under gravity, its velocity increases at a constant rate of 9.81 m/s^2. This acceleration due to gravity is denoted by 'g' and has a magnitude of 9.81 m/s^2 on the surface of the Earth.

In the given problem, the pole-vaulter is falling freely under gravity after clearing the crossbar. The time taken for him to fall is 1.0 s. Therefore, his final downward velocity can be calculated using the formula:

v = g * t

where v is the final velocity, g is the acceleration due to gravity, and t is the time taken for the fall.

Substituting the values, we get:

v = 9.81 m/s^2 * 1.0 s = 9.81 m/s

Therefore, the downward vertical velocity of the pole-vaulter at the end of the second is 9.81 m/s, which is the answer (option b).

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Temperature measures the average kinetic energy of the particles in an object or substance that is in Option D, as it is a measure of the average kinetic energy of the particles in a substance or object.

When particles in a substance move, they possess kinetic energy; the faster they move, the more kinetic energy they possess, and the higher the temperature of the substance as it measures the relative heat of an object compared to its environment.

As a result, temperature measures the average kinetic energy of the particles in an Option D object or substance.

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The question is incomplete, complete question is below

What does temperature measure?(1 point)

Responses

a)potential energy stored in the chemical bonds of an object or substance

b)kinetic energy of objects or substances

c)relative heat of an object or substance compared to its environment

d) average kinetic energy of the particles in an object or substance

Answer:

95 x 1.6 = 51.78 is your answer

Explanation:

the question is asking for the weight of the object so you multiply and get 51,78

An astronaut has a mass of 95 kg so his weight on earth's moon where the acceleration due to gravity is 1.6 m/s² is 152 N.

The acceleration that an object experiences as a result of the gravitational force is known as acceleration due to gravity. ms² is its SI unit. It has a direction and a magnitude. It is a vector quantity as a result.

The letter g stands in for the acceleration brought on by gravity. Its typical value at sea level on the surface of the earth is 9.8 ms2. The second law of motion and the law of universal gravitation of Newton serve as the foundation for its computation formula.

According to the question, the given values are :

Mass, m = 95 kg

Acceleration due to gravity, g = 1.6 m/s²

The formula is :

W = m × g

W = 95 × 1.6

W = 152 N

So, the astronaut's weight on the Earth's moon will be 152 N.

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In the event of an accident or a car crash, road safety barriers and fences prevent automobiles from running off the road.

Newton's Three Laws of Physics can help explain what these safety barriers are and how they help to save lives during car accidents :

I.  Unless acted upon by an imbalanced force, an object at rest will remain at rest, and an object at constant velocity will remain at constant velocity.

II.  If an imbalanced force occurs, a mass will experience acceleration proportional to its magnitude.

III.  When you apply a force to an object, you will feel a force that is equal    in magnitude but opposite in direction.

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Answer:

Joy has a greater acceleration.

Explanation:

Mike

v = v₀ + at

10 = 0 + 4a

a = 2.5 m/s²

Joy

v = v₀ + at

15 = 0 + 5a

a = 3 m/s²

--

Using the UAM equations, we can determine that Joy's acceleration is 3 m/s² while Mike's acceleration is only 2.5 m/s².

The friction acting on the crate is zero. It is because the crate moves with a constant speed. The result is obtained by using the Newton's first law.

Newton's first law states that every object will remain at rest or keep constantly moving in a straight line unless an external force acts upon it.

The equation of Newton's first law can be expressed as

∑F = 0

A crate is pushed horizontally with

Find the friction acting on the crate!

According to Newton's first law, when an object moves at a constant speed, the net force would be zero.

∑F = 0

So, there is no acceleration of the object.

If there is no acceleration, then there is no friction force acting on the object. It means there is no friction acting on the crate.

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The tension or compression of F CD = 3375 lb (G), F HI = 5625 lb (G), F CJ = 6750 lb (G)

Latin roots for the verb "to stretch" give us the word "tension." testing a portion of the force, such as a particular type of pull force. Any two physically connected objects may apply forces to one another. Depending on the kinds of things in contact, this contact forces different names. The force tensions are what we refer to when one of the items applying the force is a rope, string, chain, or cable. The force that results from compressing a material or object is called the compression force. Compression forces are the result of shearing forces aligning into one another. From hand tools to compression brakes, the compression force is employed to power everything. An essential engineering aspect is the compressive strength of materials and structures.

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The complete question:

Determine the force in members CD of the truss, and state if the member is in tension or compression. Take P = 1570lb. Determine the force in members HI of the truss, and state if the member is in tension or compression. Take P = 1570lb . Determine the force in members CJ of the truss, and state if the member is in tension or compression. Take P = 1570lb .