a fluid ounce is about 30 ml. what is the volume of a 12 fl-oz can of soda pop in cubic meters?

I think its "a dropped penny sinks at the bottom of a pond". Because, non-contact force is a force that you don't touch, like gravity or weight, that falls but you didn't drop it on purpose nature did or gravity itself did.

The mass and weight of object on moon is 0.0138kg  and 0.0229kg .

Since force is a vector quantity, we must consider the direction in which it acts. There are two main types of frictional force: static force (Fst) and sliding force (Fsl). Normal forces (FN) produce these forces acting perpendicular to the direction of motion, although they act in the opposite direction to the object's motion.

It is equivalent to the weight of the object plus the extra weight. For example, pushing down on a block of wood on a table increases the normal force and thus the frictional force.

me=12Kg

ge=10

gm=10/6= 1.66

M=?

me ge =M gm

M=me ge/gm

M=120/1.66

M=0.0138kg

W=mg =0.0138 x 10kg

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The Big Bang theory allows finding the result for which particles were formed in the 1 s of the universe is:

The Big Bang theory says that the universe is formed about 14 billion years ago, of a structure that is very high energy.

Einstein's equation establishes the relationship between energy and matter, establishing that energy can be converted into matter.

              E = m c²

Where E is energy, m is mass, and c is the speed of light.

In the 1 s of the universe the energy density was so high that all subatomic particles were formed, the first being quarks.

When the universe cooled enough, the quarks combined to form protons and neutrons, from which atoms were formed.

In conclusion, using the Big Bang theory we can find the result for which particles were formed in the 1 s of the universe is:

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When a cold air mass and a warm air mass meet but are at a standstill, the boundary is called a stationary front. This is a boundary between two air masses, one of which is warmer and the other of which is colder.

When they meet, they cannot mix because of their differences in temperature and density. As a result, they remain stagnant and stationary. The cold front is a front formed when a cold air mass displaces a warm air mass, and the warm front is a front formed when a warm air mass displaces a cold air mass.

However, a stationary front is formed when neither air mass advances. A stationary front is identified by the blue triangles and red half-circles that alternate on opposite sides of a line on a weather map. A stationary front produces cloudy skies and moderate rainfall or snowfall.

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Science does not  work when every one does the same thing, some creative thinking will be major breakthroughs for an invention. Therefore, option B is correct.

So how do researchers come up with those particular questions to look into ! It may come as a shock to learn how much imagination is required for the procedure.

Peter Medawar, a Nobel Prize-winning biologist, once described scientific inquiry as "the art of the soluble"  In order to succeed in science, one must first identify the questions that may be answered by scientific study and then determine the answers to those questions, according to Medawar.

Because of how intricate the natural world is, it is frequently impossible to directly address the really intriguing, significant scientific topics

The art of science includes repeatedly re-imagining these complex issues, mentally dividing them into more manageable components, and then guessing as to which of these more manageable components might hold the answer to solving the larger issue.

Therefore, all the discoveries and inventions are resulted from the creative ideas and thoughts of scientists. Therefore, creativity is the only way to make a controlled experiment.

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Answer:

Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system. The device trades off input forces against movement to obtain a desired amplification in the output force. The model for this is the law of the lever

Explanation:

The final temperature of the water at the given conditions is 2 ⁰C.

The given parameters:

Apply the principle of conservation of energy to determine the final temperature of the water as follows;

\(Q _{cold} = Q _{warm}\\\\mc (t_i - t_f) = mc (t_f - t_i)\\\\mc(1- 0) = mc(t_f - 1)\\\\1 = t_f - 1\\\\t_f = 1+1 \\\\t_f = 2 \ ^0C\)

Thus, the final temperature of the water at the given conditions is 2 ⁰C.

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The minimum distance the 2.2 kg bowl of tuna fish can be from the other end of the seesaw so that the seesaw remains balanced is 1.85 meters.

Let's call the distance that the 2.2 kg bowl of tuna fish is from the center of the seesaw "x." The moment of the cat is equal to its weight times its distance from the center of the seesaw, which is (5.1 kg)(0.8 m) = 4.08 Nm.

For the seesaw to remain balanced, the sum of the moments on one side of the seesaw must be equal to the sum of the moments on the other side. Therefore, we can write:

4.08 Nm = (2.2 kg)x

Solving for x, we get:

x = 1.85 m

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--The complete Question is, If the 5.1 kg cat moves 0.8 meters away from the seesaw's center, what is the minimum distance the 2.2 kg bowl of tuna fish can be from the other end of the seesaw so that the seesaw remains balanced? --

Answer:

The kinetic energy of an object is directly proportional to its mass and the square of its velocity. This means that if the mass of an object is increased, its kinetic energy will also increase.

In the case of the two cars, the second car has a mass six times the mass of the first car. This means that the kinetic energy of the second car will be six times greater than the kinetic energy of the first car.

Therefore, the implications of the second car having six times the kinetic energy of the first car is that it will require more force and heat energy to bring it to a stop using the brakes. This may require the use of more advanced braking systems, such as brakes with larger calipers or brake discs, in order to effectively stop the car in a safe and timely manner.

Let us consider a uniformly charged thin thread of length, L, which carries a total positive charge of Q and a cylinder of length, l, radius, r and permittivity of free space, εr, which is placed such that its axis coincides with that of the thread.

Now, we need to find the electric field at the surface of the cylinder which is due to the uniformly charged thread.

Let us use Gauss's Law to find the electric field at the surface of the cylinder:
∫E . dA = Q/εr
We know that the electric field E is radially outward, so the vector E and the vector d A are in the same direction, and so the dot product of the two vectors is equal to unity.

∫E . dA = ∫E dA cos θ
where θ is the angle between E and dA.

On the cylindrical surface, θ = 0°, as both E and dA are parallel.

∫E . dA = E ∫dA = 2πrlE

Using Gauss's Law:
∫E . dA = Q/εr
2πrlE = Q/εr
E = Q/(2πrlεr)

We know that the total positive charge of the thread is Q = 10 n C, the radius of the cylinder is r = 2 cm = 0.02 m, and its length is

l = 10 cm = 0.1 m.
Also, the permittivity of free space is εr = 8.85 × \(10^{-12}\) F/m.
Substituting these values in the above expression for electric field E:
E = Q/(2πrlεr)
E = (10 × \(10^{-9}\))/(2π × 0.018 × 0.02 × 8.85 × \(10^{-12}\))
E = 25.8 N/C

Therefore, the electric field at the surface of the cylinder is 25.8 N/C.

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Given parameters:

Mass of load = 20kg

Height of man = 1.4m

Unknown:

Work done by man = ?

Work done is the force applied to move a body in a particular direction.

Often times, it is mathematically expressed as;

           Work done  = Force x distance

In this problem, we use the formula of potential energy to find the work done;

     Work done  = Potential energy  = mgh

where m is the mass of the load

            g is the acceleration due to gravity  = 9.8m/s²

            h is the height of the body

Now, input the parameters, and solve for work done;

        Work done = 20 x 9.8 x 1.4  = 274.4J

The work done by man is  274.4J

1. Connect the DC motor with a potentiometer to the Arduino board, along with a temperature sensor and an IR sensor with an LED.

2. Write the necessary code to integrate all the sensors and control the motor based on the inputs.

To connect a DC motor with a potentiometer to an Arduino board, you will need to use a motor driver module that can handle the power requirements of the motor. The motor driver module allows you to control the speed and direction of the motor using the Arduino. Connect the motor to the appropriate terminals on the motor driver module and the potentiometer to an analog input pin on the Arduino. The potentiometer will act as a voltage divider, allowing you to vary the input voltage to control the motor speed.

Next, connect a temperature sensor that can measure temperatures in the range of -10 to +45 degrees Celsius. Depending on the type of temperature sensor you are using, you may need to follow specific wiring instructions provided by the manufacturer. Connect the temperature sensor to the appropriate digital or analog input pin on the Arduino board.

Lastly, connect an IR sensor with an LED to detect motor overspeed. The IR sensor can be used to measure the rotational speed of the motor by detecting interruptions in the infrared beam caused by the rotating motor shaft. If the motor speed exceeds the threshold of 25,000 rpm, the IR sensor will trigger an output to activate the LED as a signal.

To make all the sensors work together, you will need to write code using the Arduino programming language. Use appropriate libraries and functions to read the sensor values and implement the desired logic for motor control and overspeed detection. You can define temperature thresholds and motor speed limits in the code and take appropriate actions based on the sensor readings.

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The frequency of this wave will be 1 × 10¹¹ Hz. Option d is correct. Frequency is the inverse of the time period.

Frequency is defined as the number of repetitions of a wave occurring waves in 1 second.

The given data in the problem is;

v is the speed of light =  2 x 10⁸ m/s

\(\lambda\) is the wavelength = 2 x 10⁻³ m,

f is the frequency of the wave is to be found;

Frequency is given by the formula as,

\(\rm v = \lambda \times f \\\\\ \rm f = \frac{v}{\lambda} \\\\ \rm f = \frac{2 \times 10^8}{2 \times 10^-3} \\\\ \rm f = 1 \times 10^{11} \ Hz\)

Hence the frequency of this wave will be 1 × 10¹¹ Hz. Option d is correct.

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According to mechanics, the claim that if you take one haltere off a fly, it will fly straight up until it runs out of energy is untrue.

What is meant by mechanics?

Physics' section of mechanics studies how objects move when subjected to forces or displacements and how those movements affect the surrounding environment. Quantum Fields and Classical Fields are the two subdisciplines.

What does engineering mechanics entail?

The study of mechanics focuses on how bodies or sections of bodies interact with one another due to applied forces. The area of mechanics known as dynamics focuses on the study of moving objects.

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Moves toward A with an increasing speed. Therefore, option (C) is correct.

Electric potential and field direction control electron mobility.

The electron is not driven at point B since the potential is 0 V. To determine electron velocity, we must consider electric field direction. Electric fields point down. The figure shows electric field lines from A to B, thus the electric field at point B points towards A.

Electrons are negatively charged and experience a force opposing the electric field. Thus, the electron will go towards A.

We must now establish if the electron's speed is constant or rising. The electron starts with no kinetic energy. The electron speeds up as it approaches point A.

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The type of friction mainly responsible for wearing away car tire treads after several thousand kilometers is rolling friction.

Rolling friction, also known as rolling resistance, is the force that opposes the motion of a round object, like a car tire, when it rolls over a surface. When a car is driven, its tires are in constant contact with the road, and this contact creates friction.

Over time, the friction between the tire treads and the road causes the treads to wear away, making the tires smooth. The level of rolling friction depends on the material and texture of both the tire and the road surface. Softer materials and rougher surfaces typically create more friction, which can lead to faster tire wear.

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The Lyman series is in the ultraviolet region, while the Paschen, Brackett, and Pfund series are all in the infrared region of the electromagnetic spectrum.

These series represent the different sets of spectral lines corresponding to electron transitions in the hydrogen atom.

1. Lyman series: This series corresponds to electron transitions from higher energy levels to the first energy level (n=1). The lines in the Lyman series are found in the ultraviolet (UV) region of the electromagnetic spectrum.

2. Paschen series: This series corresponds to electron transitions from higher energy levels to the third energy level (n=3). The lines in the Paschen series are found in the infrared (IR) region of the electromagnetic spectrum.

3. Brackett series: This series corresponds to electron transitions from higher energy levels to the fourth energy level (n=4). The lines in the Brackett series are also found in the infrared (IR) region of the electromagnetic spectrum.

4. Pfund series: This series corresponds to electron transitions from higher energy levels to the fifth energy level (n=5). The lines in the Pfund series are found in the infrared (IR) region of the electromagnetic spectrum as well.

In summary, the Lyman series is in the ultraviolet region, while the Paschen, Brackett, and Pfund series are all in the infrared region of the electromagnetic spectrum.

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The required torque in ft.lb when the maximum power is specified is calculated to be 282 ft.lb.

The torque produced by the engine of Chevrolet Silverado 1500 at 5300 rpm is given by the relation,

τ = Pmax/ω

where,

τ is torque

Pmax is the maximum power

ω is the angular velocity

We know 1 hp = 745.7 W

τ = [285(745.7 W/1 hp)]/[5300× 2π rad/1 rev × 1 min/60s] = 382.9 N.m

Let us convert N.m into ft.lb.

As we know, 1 lb = 4.44822 N and 1 ft = 0.3048 m

τ = 382.9 N.m (1 lb/4.44822 N) (1 ft/0.3048 m) = 282 ft.lb

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Answer:

Never gonna give you up.

Explanation:

Never gonna let you down

Jokes apart

Its OB, im sureee

Cuz, you can do simple math, it has the least mass

Answer:

B

\( \huge \underline \mathtt \colorbox{cyan}{yess}\)

Answer:

If I had to guess I would say this is what the question fully looks like:

A block having mass m travels along a horizontal frictionless surface with speed vx. What impulse must be delivered to the mass to reverse its direction and continue to travel with a speed of vx?

A) -mvx

B) -2mvx

C) 0

D) 2mvx  

E) mvx

F) none of the above

G) cannot be determined

Explanation: The answer is

The initial momentum is m vx. So what change do you need to have a momentum -m vx afterwards? -2 m vx, because m vx + (-2m vx) = - m vx

So the correct answer is b.

The impulse must be delivered to the mass to reverse its direction and continue to travel with a speed of vx having a mass of m is  -2mvx.

Momentum is metric for power and how challenging it is to stop an object. Zero momentum applies to any object that is not moving. Tremendous, slow-moving objects have large amounts of impulse.

A small, swiftly moving object also possesses significant momentum. A bowling ball, for instance, has more momentum than a ping-pong ball if its velocities are equal. This is because bowling balls are larger in mass than ping-pong balls.

Given:

The mass of the block, m = m kg,

The speed of block, v = vx m / s,

The changed speed, V = -vx m / s

Calculate the impulse by using momentum conservation as shown below,

Initial momentum  = changed momentum

-mvx = X + mvx

X = -2mvx

Therefore, the impulse must be delivered to the mass to reverse its direction and continue to travel with a speed of vx having a mass of m is  -2mvx.

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The order of planets according to their decreasing mass is:

The weight of an object is determined by the mass and the acceleration due to gravity, g.

The greater the value of g, the more the weight of the body and vice versa.

Also, the more massive a planet or star is, the stronger the gravitational force it exerts. However, an increase in the radius of the planet results in a smaller gravitational force.

Thus, the order of planets according to their mass is:

In conclusion, the greater the mass of a planet, thee higher the weight of objects on its surface.

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Common pointing devices used to control screen movement include computer mouse, touch pads, touch screens, graphics tablets, and trackballs. Some of these devices, such as mic and joysticks, can be added to the computer system according to your needs.

Pointing device is a general term for any device used to control cursor movement on a computer screen.

For desktop computers, the most common pointing device is the computer mouse. A touchpad is the most common pointing device on laptop computers. Finally, the most common pointing device on smartphones and tablets is the finger on the touchscreen.

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Answer:

Mass – The single most important property that determines other properties of the star. Luminosity – The total amount of energy (light) that a star emits into space. Temperature – surface temperature, closely related to the luminosity and color of the star

Explanation:

If me and my friend are looking at the diagram, I am right because letter A is the amplitude and letter B is the wavelength.

The amplitude is usually of two types. They are:

In a peak amplitude, the distance between crest and trough of a wave is measured. In a semi amplitude the distance between the peak and equilibrium is taken.

Wavelength of a wave is the distance between either two successive crests or two successive troughs.

λ = v / f

λ = Wavelength

v = Velocity

f = Frequency

Therefore, the letter A is the amplitude and letter B is the wavelength.

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The astronaut can she move herself back towards the space station by throwing a tool on the direction opposite to the shuttle.

According to Newton's Third Law, if an astronaut tosses a tool away from the space shuttle, she will exert a force in that direction while also being subject to a reaction force in that same direction. Since there are no drag forces in space, the astronaut's gained acceleration (in accordance with Newton's second law) would eventually propel her back to the shuttle.

According to Newton's second law of motion, force is equal to the rate at which momentum changes. Force is defined as mass times acceleration for a constant mass. Therefore, the astronaut can she move herself back towards the space station by throwing a tool on the direction opposite to the shuttle.

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The distance (perpendicular to the line from the center of the slit) where the intensity detected by the microphone is zero is approximately 11.83 meters.

The diffraction pattern produced by a slit of width 'a' is given by:

sinθ = λ / a

where λ is the wavelength of the wave and θ is the angle between the central maximum and the first minimum of the diffraction pattern.

In this case, the wavelength of the sound wave is 8.47 cm = 0.0847 m and the width of the slit is 9.65 cm = 0.0965 m. Therefore, the angle between the central maximum and the first minimum of the diffraction pattern is:

sinθ = λ / a

       = 0.0847 / 0.0965

       = 0.877

θ = sin⁻¹(0.877)

  = 60.7°

The distance between the slit and the microphone is 7.17 m. Let d be the distance from the center of the slit to the point where the intensity detected by the microphone is zero.

For the first minimum, the path difference between the wavelets from the top and bottom edges of the slit is half a wavelength (λ/2). This path difference results in destructive interference at the first minimum.

Using the diagram below, we can write:

sinθ = d / (d + x)

where x is the perpendicular distance from the central maximum to the point where the intensity is zero.

Substituting the value of θ and solving for x, we get:

x = d * tanθ

  = 7.17 * tan(60.7°)

  ≈ 11.83 m

Therefore, the distance (perpendicular to the line from the center of the slit) where the intensity detected by the microphone is zero is approximately 11.83 meters.

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Answer:

Quantum mechanics is the science of the very-small things. It explains the behavior of matter and its interactions with energy on the scale of atomic and subatomic particles. By contrast, classical physics explains matter and energy only on a scale familiar to human experience, including the behavior of astronomical bodies such as the Moon. Classical physics is still used in much of modern science and technology. However, towards the end of the 19th century, scientists discovered phenomena in both the large (macro) and the small (micro) worlds that classical physics could not explain. The desire to resolve inconsistencies between observed phenomena and classical theory led to two major revolutions in physics that created a shift in the original scientific paradigm: the theory of relativity and the development of quantum mechanics. This article describes how physicists discovered the limitations of classical physics and developed the main concepts of the quantum theory that replaced it in the early decades of the 20th century. It describes these concepts in roughly the order in which they were first discovered. For a more complete history of the subject, see History of quantum mechanics. Light behaves in some aspects like particles and in other aspects like waves. Matter—the "stuff" of the universe consisting of particles such as electrons and atoms—exhibits wavelike behavior too. Some light sources, such as neon lights, give off only certain specific frequencies of light, a small set of distinct pure colors determined by neon's atomic structure. Quantum mechanics shows that light, along with all other forms of electromagnetic radiation, comes in discrete units, called photons, and predicts its spectral energies (corresponding to pure colors), and the intensities of its light beams. A single photon is a quantum, or smallest observable particle, of the electromagnetic field. A partial photon is never experimentally observed. More broadly, quantum mechanics shows that many properties of objects, such as position, speed, and angular momentum, that appeared continuous in the zoomed-out view of classical mechanics, turn out to be (in the very tiny, zoomed-in scale of quantum mechanics) quantized. Such properties of elementary particles are required to take on one of a set of small, discrete allowable values, and since the gap between these values is also small, the discontinuities are only apparent at very tiny (atomic) scales. Many aspects of quantum mechanics are counterintuitive and can seem paradoxical because they describe behavior quite different from that seen at larger scales. In the words of quantum physicist Richard Feynman, quantum mechanics deals with "nature as She is—absurd".  For example, the uncertainty principle of quantum mechanics means that the more closely one pins down one measurement (such as the position of a particle), the less accurate another complementary measurement pertaining to the same particle (such as its speed) must become.  Another example is entanglement, in which a measurement of any two-valued state of a particle (such as light polarized up or down) made on either of two "entangled" particles that are very far apart causes a subsequent measurement on the other particle to always be the other of the two values (such as polarized in the opposite direction).  A final example is superfluidity, in which a container of liquid helium, cooled down to near absolute zero in temperature spontaneously flows (slowly) up and over the opening of its container, against the force of gravity.

Explanation:

hope this makes sense and helps :)

Answer:

Quantum mechanics is the science of the very-small things. It explains the behavior of matter and its interactions with energy on the scale of atomic and subatomic particles. By contrast, classical physics explains matter and energy only on a scale familiar to human experience, including the behavior of astronomical bodies such as the Moon. Classical physics is still used in much of modern science and technology. However, towards the end of the 19th century, scientists discovered phenomena in both the large (macro) and the small (micro) worlds that classical physics could not explain. The desire to resolve inconsistencies between observed phenomena and classical theory led to two major revolutions in physics that created a shift in the original scientific paradigm: the theory of relativity and the development of quantum mechanics. This article describes how physicists discovered the limitations of classical physics and developed the main concepts of the quantum theory that replaced it in the early decades of the 20th century. It describes these concepts in roughly the order in which they were first discovered. For a more complete history of the subject, see History of quantum mechanics. Light behaves in some aspects like particles and in other aspects like waves. Matter—the "stuff" of the universe consisting of particles such as electrons and atoms—exhibits wavelike behavior too. Some light sources, such as neon lights, give off only certain specific frequencies of light, a small set of distinct pure colors determined by neon's atomic structure. Quantum mechanics shows that light, along with all other forms of electromagnetic radiation, comes in discrete units, called photons, and predicts its spectral energies (corresponding to pure colors), and the intensities of its light beams. A single photon is a quantum, or smallest observable particle, of the electromagnetic field. A partial photon is never experimentally observed. More broadly, quantum mechanics shows that many properties of objects, such as position, speed, and angular momentum, that appeared continuous in the zoomed-out view of classical mechanics, turn out to be (in the very tiny, zoomed-in scale of quantum mechanics) quantized. Such properties of elementary particles are required to take on one of a set of small, discrete allowable values, and since the gap between these values is also small, the discontinuities are only apparent at very tiny (atomic) scales. Many aspects of quantum mechanics are counterintuitive and can seem paradoxical because they describe behavior quite different from that seen at larger scales. In the words of quantum physicist Richard Feynman, quantum mechanics deals with "nature as She is—absurd".  For example, the uncertainty principle of quantum mechanics means that the more closely one pins down one measurement (such as the position of a particle), the less accurate another complementary measurement pertaining to the same particle (such as its speed) must become.  Another example is entanglement, in which a measurement of any two-valued state of a particle (such as light polarized up or down) made on either of two "entangled" particles that are very far apart causes a subsequent measurement on the other particle to always be the other of the two values (such as polarized in the opposite direction).  A final example is superfluidity, in which a container of liquid helium, cooled down to near absolute zero in temperature spontaneously flows (slowly) up and over the opening of its container, against the force of gravity.

Explanation:

if you need anything gust let me know :)

The density should be less than 2 g/cm3.Impact craters with little evidence of geological activity ought to dominate it.

Callisto is not differentiated from Ganymede. Callisto has a density of 1.8 grams per cubic centimeter, while Ganymede has a density of 1.9 grams per cubic centimeter.

The most active planet in the solar system is Jupiter's rocky moon Io, which has hundreds of volcanoes, some of which erupt in lava fountains dozens of miles (or kilometers) high.

Consequently, humans could live on Callisto's surface with only a sufficiently strong radiation-attenuating glass separating them from the planet's remaining radiation. This moon is about 40% water, providing it with a degree of radiation immunity.

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