Suppose that a machine has 48-bit virtual addresses and 32-bit physical addresses.a. if pages are 4KB, how many entries are in the page table if it has only a single level? Explain.b. suppose this same system has a TBL (Translation Lookaside Buffer) with 32 entries. Furthermore, suppose that a program contains instructions that fit into one page and it sequentially reads long integer elements from an array that spans thousands of pages. How effective will the TBL be for this case?

(c) The potential energy at A is the same as the kinetic energy at B. So

m g h = 1/2 m v²

where m is the mass of the object at the end of the pendulum, g is the magnitude of the acceleration due to gravity, h is the height of the object at point A relative to B, and v is the object's maximum speed. So

(3.8 kg) (9.80 m/s²) h = 140 J

h = (140 J) / ((3.8 kg) (9.80 m/s²))

h ≈ 3.8 m

(f) You know the kinetic energy at B, so just solve for v :

140 J = 1/2 (3.8 kg) v²

v² = (280 J) / (3.8 kg)

v² ≈ 73.684 m²/s²

v ≈ 8.6 m/s

Answer:

Heavy objects fall at the same rate (or speed) as light ones. The acceleration due to gravity is about 10 m/s2 everywhere around earth, so all objects experience the same acceleration when they fall.

Explanation:

Answer:

-Radio waves

-Microwaves

-Infrared light (IR)

-Visible light

-Ultraviolet (UV)

-X-ray

-Gamma rays

(this is in order from the longest wavelength to shortest wavelength)

Explanation:

A sound is a form of energy like heat energy, light energy, potential energy and

A sound is a form of energy like heat energy, light energy, potential energy andkinetic energy. It causes a sensation of hearing in our ears. Sound helps us

A sound is a form of energy like heat energy, light energy, potential energy andkinetic energy. It causes a sensation of hearing in our ears. Sound helps uscommunicate with each other

I just copied ur ans friend

In this kind of vector additions, we use Pythagorean theorem, which is √(Vx² + Vy²)

If we use it, the velocity is found to be √(-3.1² + 6.5²) ≅ 7.20 m/s

And when it comes to the direction, I want you to think of coordinate system and a compass. X coordinate is negative and Y coordinate is positive. The direction is northwest (not strictly).

If you think anything is wrong, or you have anything that you do not understand, please let me know. I am sorry for my bad English by the way ^^

Carver's difficult childhood, marked by poverty and racial discrimination, deeply influenced his writing and his commitment to promoting social justice through his work.

Raymond Carver was born in 1938 in Clatskanie, Oregon, and grew up in Yakima, Washington. His childhood was marked by poverty, his father's alcoholism, and his family's experience of racial discrimination.

Despite these challenges, Carver developed a deep love of literature and writing, and he began to write poetry and fiction at a young age. Carver's difficult upbringing deeply influenced his writing, which often explored themes of working-class life, poverty, and the struggles of everyday people. Throughout his career, Carver remained committed to promoting social justice through his work, and his writing continues to inspire readers and writers alike with its raw honesty, compassion, and humanity.

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The Frequency of the resultant pendulum will also be 2 Hz as f does not depend on mass.

The Oscillation frequency of a pendulum depends on 3 things

1. Lenght of string (L).

2. Gravitational pull which is constant for a  planet for earth it 9.8 m/s2.

3. Pie (π)  (Which is again Constant 3.14....)

And this case both the things, length, and g(Gravitational pull) are constant so the frequency will also be the same.

As T = 2π√(L/g) ........ T (Time)

And Frequency  = 1/T so it only required the length of string on which the mass is suspended so it will be constant as the length is taken as same as before.

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Edwin Hubble studied the Andromeda galaxy and found that it was an individual galaxy and not part of our own milky way is Hubble discovered this by observing a variable star, known as a Cepheid variable, in the Andromeda galaxy and measured its distance from Earth.

The Cepheid variable was used to measure the galaxy's distance because the star's brightness varied predictably, and the brightness was directly related to its distance from Earth. By studying the Andromeda galaxy, Hubble discovered that it was much farther away from Earth than originally thought, and it was actually a separate galaxy rather than a part of the Milky Way.

This discovery proved the existence of other galaxies outside of our own Milky Way, which was a groundbreaking finding at the time and paved the way for modern astronomy. Overall, Hubble's study of the Andromeda galaxy provided significant evidence to support the theory that the universe was much larger than previously thought and made a huge contribution to our understanding of the universe.

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1. Using Strong Permanent. 2. increasing the current. 3. Decreasing the space between Magnets

Explanation:

Brainiest

The changes that make the motor stronger will be using strong permanent magnets, increasing the current, and decreasing the space between magnets.

An electric motor is a mechanism that turns electricity into mechanical energy.

The interaction between the motor's magnetic field and electric current in a wire winding generates force in the form of torque imparted to the motor's shaft in most electric motors.

An electric generator is physically equivalent to an electric motor, but it converts mechanical energy into electrical energy using a reversed flow of power.

When string magnets are used, a strong flux is produced, and the motor becomes more powerful. Internal flux has a significant impact on coil strength.

Increasing current results in greater power. In the same way, shortening the distance between magnets makes the motor stronger by increasing flux and torque.]

Hence the changes that make the motor stronger will be using strong permanent magnets, increasing the current, and decreasing the space between magnets.

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Every magnet consists of two poles one is the south pole other one is the north pole. All magnets have two poles. This statement is correct.

The area at either end of a magnet where the external magnetic field is strongest is known as a magnetic pole.

Every magnet consists of two poles one is the south pole other one is the north pole like poles attracts each other while unlike poles repel each other.

Hence option (a) is correct. All magnets have two poles.

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Newton's first law, also known as the law of inertia, states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

It implies that any object, either stationary or in motion, would remain as it is, unless an external force acts on it. When an external force is applied, it results in a change in motion in terms of direction, speed, or both. This is a statement that describes Newton's first law of motion.Basically, Newton's First Law of Motion states that a body at rest remains at rest and a body in motion maintains uniform motion in a straight line, unless acted upon by an external force.

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Explanation: Research highlights the individuals with ASDS are nutritionally vulnerable because they exhibit a selective or pick eating pattern and sensory sensitivity that predisposes them to restricted intakes.

I hope this helps!

This question involves the concepts of the law of conservation of energy and kinetic energy.

The correct option is "A. Yes, the total KE the tires need to transfer out of the system is less than 5,000 J".

According to the law of conservation of energy:

Loss in Kinetic Energy = Work done by the tires

\(\frac{1}{2}mv^2=W\)

where,

W = work done by tires = ?

m = mass of the truck = 1000 kg

v = speed of the truck = 3 m/s

Therefore,

\(W=\frac{1}{2}(1000\ kg)(3\ m/s)^2\)

W = 4500 J

Since the failure limit of work done by the tire is 5000 J, which is greater than the actual work done by the tire in this scenario. Hence, the tire will not fail in this case.

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The attached picture explains the law of conservation of energy.

Answer:

A

Explanation:

Answer:Adolescent chastity can be defined as the absolute abstinence from sex and anything related to sex, such as, kissing, touching, fondling

Explanation:

The following values indicates the amount of work the net force acts on a 5 kg object, speeding the object up from 2.0 m/s to 6.0 m/s that performs on the object = 80 J (option C)

The amount of work performed by the net force on the object can be calculated using the formula:

W = F x d

Where:

W is the work (J)

F is the net force (N) and

d is the displacement of the object (m)

We can also use the formula for kinetic energy to find the amount of work performed.

KE = ½ mv²

The change in kinetic energy of the object is equal to the work done on it.

Initial kinetic energy

=  ½ x 5 kg x (2.0 m/s)²

= 10 J
Final kinetic energy

= ½ x 5 kg x (6.0 m/s)²

= 90 J
Hence, the change in kinetic energy (work done) = Final kinetic energy - Initial kinetic energy

= 90 J - 10 J

= 80 J

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The mass of the block is approximately 1.02 kg. If a block attached to an ideal spring oscillates horizontally with a frequency of 2 hz and amplitude of 0.5 m.

The frequency of oscillation is given by the formula f = (1/2π) √(k/m), where f is the frequency, k is the spring constant and m is the mass of the block. Rearranging the formula, we get m = k / (4π²f²). Substituting the given values, we get m = 160 / (4π² × 2²) = 5 kg (rounded to the nearest whole number). Therefore, the mass of the block is 5 kg.


The mass of the block attached to the ideal spring can be found using the formula for the frequency of oscillation, which is:

f = (1 / 2π) * √(k / m)

where f is the frequency (2 Hz), k is the spring constant (160 N/m), and m is the mass of the block (which we want to find).

Rearranging the formula to find m, we get:

m = k / (4π²f²)

Plugging in the values:

m = 160 N/m / (4π²(2 Hz)²)

m ≈ 1.02 kg

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Explanation:

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The units of electric field are newtons per coulomb, but we can use N/kg here because the coulomb is related to the unit of charge, which we assumed to be negligible in this case.

When an electric field is applied to a plastic sphere of mass m, it experiences an electric force F. The weight of the sphere is given by W = mg where g is the acceleration due to gravity.

The minimum magnitude of an electric field that balances the weight of a plastic sphere of mass m is obtained by equating the weight of the sphere to the electric force it experiences. This can be expressed asmg = qEwhere q is the charge on the sphere, and E is the electric field.

Thus, the minimum magnitude of the electric field is given byE = mg/qIn the case of a plastic sphere, the charge q is usually very small and can be neglected.

As a result, E = mg is roughly the minimal magnitude of the electric field needed to balance the weight of a plastic sphere of mass m.The weight of the plastic sphere, for instance, is W = mg = (0.1 kg)(9.8 m/s2) = 0.98 N if its mass is 0.1 kg and its acceleration due to gravity is 9.8 m/s2.

The minimum magnitude of the electric field required to balance this weight isE = W/m = 0.98 N/0.1 kg = 9.8 N/kgNote that the units of electric field are newtons per coulomb, but we can use N/kg here because the coulomb is related to the unit of charge, which we assumed to be negligible in this case.

What size electric field must exist in order to balance the weight of a plastic sphere weighing 9.0 g and charged to a -3.0 nC potential? Consider that gravity is only balanced by the electric field.

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The wavelength of the fundamental tone in this case is 10.00M

What is Wavelength?

Wavelength is a physical quantity that measures the distance between two consecutive points in a wave that are in phase, that is, that have the same degree of oscillation or displacement from their rest position. It is usually represented by the symbol λ (lambda) and is expressed in units of distance, such as meters, centimeters, or nanometers, depending on the scale of the wave being considered. In general, the wavelength of a wave is inversely proportional to its frequency, with longer wavelengths corresponding to lower frequencies and shorter wavelengths corresponding to higher frequencies.

The fundamental tone of an organ pipe that is open at one end and closed at the other has a wavelength that is four times the length of the pipe. Therefore, the wavelength of the fundamental tone in this case is:

λ = 4L = 4(2.50 m) = 10.00 m

where L is the length of the pipe.

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Answer:

Ultrasound imaging (sonography) uses high-frequency sound waves to view inside the body.

Explanation:

Two valance electrons are occupied by б-bond and four valance electrons occupy π- bonds.

Sigma and pi bonds are types of covalent bonds that differ in the overlapping of atomic orbitals. Covalent bonds are formed by overlapping the atomic orbitals.

Generally, all single bonds are sigma bonds. They can be formed via the following combination of atomic orbitals.

During the formation of pie bonds, the axes of the atomic orbitals are parallel to each other whereas the overlapping is perpendicular to the internuclear axis.

Pi bonds are generally weaker than sigma bonds.

Therefore there are two valance electrons in б-bonds and four electrons in π-bonds.

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Answer:

We can use the formula for the transformer voltage ratio, which states that the ratio of the number of turns in the primary coil to the number of turns in the secondary coil is equal to the ratio of the output voltage to the input voltage:

Np/Ns = Vp/Vs

where Np is the number of turns in the primary coil, Ns is the number of turns in the secondary coil, Vp is the input voltage, and Vs is the output voltage.

We know that Vp = 220 V and Vs = 140 V, and we are trying to find Ns. We also know that Np = 30, since that is the number of turns in the primary coil. Substituting these values into the formula, we get:

30/Ns = 220/140

Simplifying the right side of the equation, we get:

30/Ns = 11/7

Cross-multiplying, we get:

11Ns = 210

Dividing both sides by 11, we get:

Ns = 19

Therefore, the answer is b.) 19.

Answer:

Thermal physics

Explanation:

Because it uses temperature

Answer:

In my opinion both are easier if you'll work hard on it...

Answer:

motion: motion is the phenomenon in which an object changes its position over time. four common types of motion are rotary, oscillating, linear, and reciprocating.

rest is the polar opposite

Explanation:

The statement that must be true of an extended body experiencing a net force of zero is that the center of mass of the extended body is not accelerating.

When an extended body experiences a net force of zero, it means that the vector sum of all the forces acting on the body is zero. According to Newton's second law of motion, F = ma, where F is the net force, m is the mass, and a is the acceleration. Since the net force is zero, the acceleration of the body is also zero. In an extended body, different parts of the body may experience different forces, causing them to accelerate or decelerate. However, the center of mass of the body represents the point where the body's total mass is concentrated. If the net force is zero, the center of mass remains at rest or moves with a constant velocity, indicating that it is not accelerating.

Therefore, the correct statement is that the center of mass of the extended body is not accelerating.

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Answer:

Explanation:

Given

Velocity = 388m/s

Height S = 2.89m

Required

Time

Using the equation of motion

S =ut+1/2gt²

2.89 = 388t+1/2(9.8)t²

2.89 = 388t+4.9t²

Rearrange

4.9t²+388t-2.89 =0

Factorize

t = -388±√388²-4(4.9)(2.89)/2(4.9)

t= -388±√(388²-56.644)/9.8

t = -388±387.93/9.8

t =0.073/9.8

t = 0.00744 seconds