Two bodies made of the same material have same external dimension and appearance, but one is compact solid and other is hollow. When they heated for the same temperature range, is the overall volume expansion the same or different? Explain.

The true statements are:Jupiter's Great Red Spot is in the southern hemisphere.The fastest wind speed recorded in our solar system is on Neptune.

Among the given statements, only two are true. Jupiter's Great Red Spot, a massive storm, is indeed located in the southern hemisphere of the planet. The Great Red Spot is a prominent feature on Jupiter, visible as a giant swirling storm system. On the other hand, the fastest wind speed recorded in our solar system, reaching speeds of up to 2,100 kilometers per hour (1,300 miles per hour), is found on Neptune.

The strong winds on Neptune contribute to its dynamic atmosphere and the formation of features like the Great Dark Spot. The remaining statements about Pluto, Saturn's moon Enceladus, and Uranus are not true according to our current understanding.

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Greater than 373.15 K, G is negative, and water spontaneously and irreversibly evaporates. Water does not spontaneously evaporate below 373.15 K, when G is positive.

The system's increased disorder is balanced by the energy needed for vaporization. Due to the fact that G = 0, the liquid and vapor are in an equilibrium, which is true for any liquid at its boiling point under normal circumstances. At 110 °C, G 0, and irreversible spontaneously vaporization is predicted to take place. Water vapour has more entropy than liquid water, which is why entropy increases during this process. Because T>S>H, G becomes ve. The process then turns spontaneous. Because gaseous water molecules are more random than liquid water molecules, water vaporation occurs. Because more randomness increases along with the process, it is spontaneous. Water vaporization is an endothermic, but spontaneous, process. Water vaporization only occurs spontaneously at temperatures above or near its boiling point.

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Answer:

If you put the metal extract into the water there will be no reaction but if you put it into the acid it will liberate H2 (hydrogen gas) Hence it is the difference

Explanation:

this should sum it down

Interrupting rating and short-circuit current rating are two terms with identical definitions and meaning, false.

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The length of the rubber band that the boy must use is 0.024 m or 24 mm.

To determine the length of the rubber band, we can use the formula for the potential energy stored in a stretched spring, which is also applicable to a stretched rubber band:

where U is the potential energy stored in the rubber band, k is the spring constant (or in this case, the rubber band constant), and x is the displacement of the rubber band from its natural length.

Since the rubber band is stretched by 0.25 of its natural length, the displacement x is 0.25 times the natural length of the rubber band.

We can solve for the rubber band constant k by using the formula for the velocity of a projectile launched by a spring (or in this case, a rubber band):

where v is the velocity of the projectile, m is the mass of the rubber band, M is the mass of the projectile, and k is the spring constant. We can rearrange this equation to solve for k:

k = (v² M) / (2 m)

We can now combine the two equations to solve for the length of the rubber band, L:

U = 1/2 k x²

U = 1/2 ((v² M) / (2 m)) (0.25 L)²

U = (v² M L²) / (32 m)

The potential energy stored in the rubber band must be equal to the kinetic energy of the projectile when it is launched:

U = 1/2 M v²

(v² M L²) / (32 m) = 1/2 M v²

L = ((16 m v²) / (k M))

L = ((16 m v²) / ((v² M) / (2 m) M))

L = √(32 m^2 / M)

L = (0.032 M)

Substituting the given values, we get:

L = √(0.032 * 0.006)

L = 0.024 m

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Answer:

0.75N/kg

Explanation:

coefficient of force=force/mass

so 15N/20kg

=0.75N/kg

thanks!!

Raising the temperature results in the radiator giving off photons of high-energy ultraviolet light. As heat is added, the radiator emits photons across a wide range of visible-light frequencies

The calculated value is 13963.42 g/mol

Protein Molecular Weight determines the molecular weight from a protein sequence. Using the provided list, you can append copies of frequently used epitopes and fusion proteins. The Rubisco monomer is a typical soluble protein, and a basic rule of thumb for thinking about soluble proteins is that they are 3-6 nm in diameter, which demonstrates not only Rubisco but many other significant proteins that are essential for cell function.

Mass of protein (w2) =0.1g

R=0.082 L atm/ (k mol)

T=298K

π=13.33 mm of Hg = 760/13.33

 =0.0175 atm

volume of solution =0.01L

Using,

M2= πVW2RT

We get M2

​= 0.0175×0.01/0.1×0.082×298

​=13963.42 g/mol

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Answer:

(AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). By damaging your immune system, HIV interferes with your body's ability to fight infection and disease. HIV is a sexually transmitted infection (STI). It can also be spread by contact with infected blood or from mother to child during pregnancy, childbirth or breast-feeding.

Explanation:

To help prevent the spread of HIV: 1. Use treatment as prevention (TasP). If you're living with HIV, taking HIV medication can keep your partner from becoming infected with the virus.

In digital electronics, a logic gate is a component that produces a particular output based on one or more inputs. Different types of logic gates have different properties, such as the number of inputs they can handle and the type of output they produce. NAND gates are a type of logic gate that produces an output of 0 only when all of its inputs are 1. NAND gates can be used to construct any other type of logic gate. This is known as NAND gate universal logic.

To show that any logic gate can be constructed using only NAND gates, we need to demonstrate how to create an equivalent circuit using only NAND gates. For instance, a NOR gate is a type of logic gate that produces an output of 1 only when all of its inputs are 0. To design a circuit consisting only of NAND gates that is equivalent to a NOR gate, we can follow these steps:

1. Start by drawing a truth table for the NOR gate that shows the output for each possible combination of inputs.

2. Next, we can use De Morgan's theorem to convert the NOR gate into an equivalent circuit of NAND gates.

3. De Morgan's theorem states that the negation of a conjunction is equivalent to the disjunction of the negations. In other words, the negation of an AND gate is equivalent to the OR gate of the negated inputs.

4. Using this theorem, we can create a NAND gate circuit that is equivalent to a NOR gate.

5. Finally, we can verify that the output of the NAND gate circuit is the same as the output of the NOR gate for all possible input combinations.

In conclusion, we can design a circuit consisting only of NAND gates that is equivalent to a NOR gate by using De Morgan's theorem. This demonstrates that any logic gate can be constructed using only NAND gates.

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Answer:

NAND gate is called the universal logic gate as all other logical gates or operations can be expressed in terms of NAND gates only. Similarly all boolean operations or logic gates can be expressed using only the NOR gates.

Explanation:

NOT A :   (A . A)'     : just one NAND gate needed.

A AND B : [ (A . A)' . (B . B)' ]'   : three NAND gates needed to replace an AND logical gate.

A OR B : [ (A . A)' . (B . B)' ]'   :  three NAND gates needed.

The three basic logic gates can thus be expressed in terms of NAND gates. So any logical circuit can be expressed in terms of just NAND gates.

A NOR B  :  [  {(A . A)' . (B . B)' }' . {(A . A)' . (B . B)' }' ] '

A XOR B :    A . B' + A' . B = [ {A . (B . B)' }' . { (A . A)' . B}' ] '

Similarly the other logic gates too.

Using the NOR gates only:

  NOT A :   (A + A) '     : one NOR gate needed.

  A AND B :     [ (A+A)' + (B+B)' ] '      : three NOR gates needed.

  A  OR  B   :     [ (A + B)' + (A + B)' ] '         : three NOR gates needed.

Thus all the basic logic gates are expressible in terms of NOR gates only.

The wind speed would be 255km/hr if the hurricane is moving east due east at a speed of 40 km/hr and the average wind speed of hurricane was 215 km/hr.

We must determine the localized wind speed at Point A because it is the end of the storm and has the highest velocity.

Speed at point A equals the combined speeds of the hurricane and the forward motion since point A is situated in the same rotational direction as the cyclone.

speed at point A = speed of hurricane + speed of forward

                            = 215 + 40 = 255km/hr

What does a hurricane mean in simple terms?

A hurricane is defined as a tropical storm with sustained winds of 74 mph or more. A storm's eye typically measures 20 to 30 miles in width and can reach distances of 400 miles. Storms may be dangerous because of their heavy downpours, strong gusts, and storm surges.

Where do storms usually begin?

Near the tropics, in the Caribbean, or in the waters around the Cape Verdean islands of West Africa, hurricanes start to form. Surface water that is relatively warm quickly evaporates before condensing to create clouds in the sky. When moist air rises to the point of saturation, a tropical depression—a kind of meteorological system—is created.

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Answer:

there is not enough information

Answer: double helix

Explanation: Double helix is the description of the structure of a DNA molecule. A DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating groups of sugar (deoxyribose) and phosphate groups.

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Plz mark brainleist

The twisted ladder shape of the DNA called double helix.

A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid. All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction.

Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four main categories of macromolecules that are necessary for all known forms of life, along with proteins, lipids, and complex carbohydrates (polysaccharides).

Because the two DNA strands are made up of simpler monomeric units termed nucleotides, they are referred to as polynucleotides.

Each nucleotide is made up of a phosphate group, a deoxyribose sugar, and one of the four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).

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After the circuit is completed, the middle light bulb breaks, both of the remaining light bulbs will go out. Option c is correct.

In a series circuit, components (in this case, light bulbs) are connected end-to-end, so that the current has to flow through each component in turn. The voltage of the battery is divided among the components, so that the sum of the voltage drops across each component equals the total voltage of the battery.

In a series circuit, the current passes through each component in turn. When one component fails or is removed, the current can no longer flow, and the circuit is broken. In this case, when the middle light bulb breaks, it will create an open circuit, preventing the current from reaching the other two light bulbs. Therefore, both of the remaining light bulbs will go out. Option c is correct.

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Answer:

176.4 m

Explanation:

To calculate the distance, the equation would be:

distance = acceleration X time² / 2

Assuming the stone is held at a complete stop before dropping, the acceleration would be equal to gravity which is 9.8m/s².  So:

d = (9.8m/s²)( 6s)² / 2

   = (9.8m/s²)(36s²) / 2

   = 176.4 m

As the air flows through convection oven, the required temperature less for this type of oven and convection ovens cook food more quickly and evenly.

Compared to a traditional oven, a convection oven enables a reduction in cooking temperature. This comparison will change based on various elements, such as the quantity of food being cooked at once or when airflow is being impeded, such as by an excessively large baking tray.

The fact that flowing air transfers heat more quickly than still air of the same temperature balances out this variation in cooking temperature. The temperature must be lowered to slow down the rate of heat transfer in order to transfer the same quantity of heat in the same length of time.

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Answer:

D: The ability to do work or cause change.

Explanation:

Energy can be defined as the ability to do work. We apply energy in basically everything we do in life, energy is needed to walk or move from one position to another, it is required to eat and do other basic things of life. The body system converts the food that is being consumed into energy, this energy can be switched from one form to another.

There are various forms of energy which include solar energy, wind energy, electrical energy, mechanical energy, kinetic energy, potential energy, etc. This form of energy can be converted from one form to another but cannot be destroyed.

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The index of refraction that halves the wavelength that light has in a vacuum is 2.00. Therefore, the correct option is (d) 2.00.

When light passes from one medium to another, it changes its velocity, and thus its wavelength. The index of refraction is a measure of how much light is bent when passing through a medium and can be calculated using Snell's Law:n1sin θ1=n2sin θ2where n1 and n2 are the indices of refraction of the two media, and θ1 and θ2 are the angles that the light makes with the normal line in the first and second media, respectively.

For a given angle of incidence, we can see that the index of refraction is directly proportional to the sine of the angle of refraction, which means that as the angle of refraction increases, so does the index of refraction. Now, let's assume that light is passing from vacuum (with index of refraction n1=1) to a medium with an unknown index of refraction n2.

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Kilobecquerel (KBq) is a a SI-multiple of a derived metric measurement unit of radioactivity.

On below way the unit is Defined .

Explanation:

The feet and meter are the units used to measure the length. Here the maximum height in meter at which a scaffold should be placed is 20 feet is 6.097 m.

The feet is a standard unit of measurement. It is used to measure the length and distance of the objects. Feet is the plural alternative whereas the foot is the singular additive.

The metric system includes meters, centimeters, etc., whereas the imperial system includes foot, inches, yards, etc.,

Here 1 meter = 3.280 feet

So 20 feet = 6.097 m

Thus the maximum height in meter at which a scaffold should be placed is 20 feet is 6.097 m.

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OSHA regulations generally suggest the maximum height for a scaffold to be around 20 feet. This is to primarily ensure the workers' safety and to prevent accidents.

The maximum height at which a scaffold should be placed is typically set by OSHA (Occupational Safety and Health Administration) regulations. In general, the maximum height for a scaffold is usually around 20 feet.

This setting ensures that workers utilize the scaffold appropriately at a safe height to prevent accidents, such as falls occurring from a height the humans are unprepared to handle. Worker Safety and adherence to the safety standards is the ultimate goal behind this regulation.

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Well as you've seen before most likely, an apple can fall right off a tree, and stay perfectly fine. its all dependent on the variables. What angle is the apple falling at? Whats the speed, height, even the size of the apple? We must take into aware anything can happen, but its all behind the variables.

Brainliest if helpful

P.S Fact Check with the second person who just answered

Answer:

yes

Explanation:

i had an apple tree and it happens all the time most often they don't break open.

The voltage that is required to run the train is found to be 12V.

Since the transformer has 600 turns in the primary coil and 60 turns in the secondary coil, the turns ratio is 600:60, which simplifies to 10:1. To find the voltage required to make the train run, we need to use the turns ratio equation,

Vp/Vs = Np/Ns, The voltages of the primary and secondary coils are Vp and Vs, respectively. The primary coil has Np turns, while the secondary coil has Ns turns.

We know that the household voltage supplied to the train is 120 V, which is the voltage in the primary coil (Vp). We want to find the voltage in the secondary coil (Vs). Substituting the values we know into the turns ratio equation, we get,

120/Vs = 10/1

Simplifying this equation, we get,

Vs = 12 V

Therefore, the voltage required to make the train run is 12 V.

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Answer:

4200 J/°C/kg

Explanation:

The formula for heat transfer is given by :

Q= m*c*ΔT  where;

Q= heat transferred = 6930 J

m=mass of the liquid = 0.330 kg

c= specific heat capacity=?

ΔT = 25-20 = 5.0°C

Applying the values in the formula as;

Q= m*c*ΔT

6930 = 0.330 * c * 5

6930 = 1.65 c

6930/1.65 = c

4200 = c

c= 4200 J/°C/kg

Answer: Mass is the quantity of matter in an object. More specifically, mass is a measure of the inertia, or “laziness,” that an object exhibits in response to any effort made to start it, stop it, or otherwise change its state of motion. Weight is the force of gravity on an object.

"Frequency" means how often something happens. When you say how many times it happens every SECOND, you can call the number Hertz, or Hz.

In the graph, there are 10 vibrations in 10 seconds, 20 of them in 20 seconds, and 30 in 30 seconds. This should pretty much shout at you "THERE'S ONE VIBRATION EVERY SECOND !". When you realize that, you can say the frequency of the vibration is 1 Hz.

The graph tells us nothing about the speed of the waves. I suspect there's another picture to the question that you didn't include. If the other part shows the wavelength, then we could figure out the speed. But with just what you're showing us, we can't.

Answer:

Frequency

Wavelength and frequency are both properties of waves and are related to one another.

The frequency heard by a passenger on the train is lower than the original frequency, given that the train is moving away from the source of the sound.

When a source of sound is moving relative to an observer, the perceived frequency of the sound can be affected by the Doppler effect. The Doppler effect causes a shift in frequency when there is relative motion between the source and the observer.

In this case, the train is moving at a speed of 18.0 m/s relative to the ground, in a direction opposite to the first train and receding from it. As the train moves away from the source of the sound, the perceived frequency of the sound decreases.

The exact change in frequency can be calculated using the Doppler effect equation, which takes into account the relative velocity of the source and observer.

However, since the specific frequency of the sound source is not provided in the question, it is not possible to calculate the exact frequency heard by the passenger on the train

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The acceleration of the car at the top of the hill is 6.6 m/s²

acceleration: the rate at which the speed and direction of a moving object vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates. Even if the speed is constant, motion on a circle accelerates because the direction is always shifting.

The third kinematic equation is applied to determine the car's tangential acceleration, as illustrated below: v2 = u2 + 2as, where a represents the vehicle's acceleration.

2x50 a = -5.25 m/s²;

2as = v² - u² a

= v²-u² / 2s

a = 102 - 252

At the summit of the hill, the car's centripetal acceleration is given as ac=v²/r

ac=10²/25

ac=4 m/s2.

At the summit of the hill, the car's net acceleration is computed as follows: a net = a2 + ac

a net = (-5.25)2 + 42

a net = 6.6 m/s2.

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Complete Question -

A 1600 kg car is traveling over a hill that has a radius of curvature of 25 m. The car is slowing down as it goes over the hill. It slows down at a constant rate from a speed of 25 m/s to a speed of 10 m/s over a distance of 50 m ending at the top of the hill. The net acceleration of the car at the top of the hill is most nearly

The jovian planets in our solar system include Jupiter, Saturn, Uranus, and Neptune. These gas giants are distinct from the terrestrial planets like Mercury, Venus, Earth, and Mars.

Jovian planets, namely Jupiter, Saturn, Uranus, and Neptune, are characterized by their composition and physical properties. They are primarily composed of gases and lack a solid surface. Jovian planets are much larger in size compared to the terrestrial planets.

They possess thick atmospheres with swirling cloud formations and dynamic weather systems. These gas giants also have a significant number of moons and are accompanied by planetary rings made up of dust and ice particles.

Jovian planets are located farther away from the Sun and have lower densities compared to the terrestrial planets. Their unique characteristics distinguish them from the rocky, inner planets like Mercury, Venus, Earth, and Mars.

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