What happens when the pressure falls within the magma?

A. The silica in the magma gets hotter.

B. The bubbles of gas get bigger.

C. The magma cools and solidifies.

D. The density of the magma increases

The equation for the final velocity of an object undergoing \(t ≈ 5.41 s\)

Why will be reaching a maximum speed of 53 m/s?

We can use the equations of motion to solve this problem. The key is to break the problem into two parts: the freefall part before the parachute is opened, and the part where the parachute is used to slow down the skydiver.

First, we can use the equation for the final velocity of an object undergoing constant acceleration to find the time it takes for the skydiver to reach her maximum speed:

\(v_f = v_i + at\)

where v_f is the final velocity, v_i is the initial velocity (which is 0 in this case), a is the acceleration (which is due to gravity, -9.8 m/s^2), and t is the time.

Rearranging the equation to solve for t, we get:

\(t = v_f / a\)

Substituting the values given, we get:

\(t = 53 m/s / 9.8 m/s^2\)

Simplifying, we get:

\(t ≈ 5.41 s\)

This tells us that it takes 5.41 seconds for the skydiver to reach her maximum speed of 53 m/s.

Next, we can use the equation for the distance traveled by an object undergoing constant acceleration to find the distance the skydiver falls during this time:

\(d = v_i t + (1/2)\)\(at^2\)

where d is the distance, v_i is the initial velocity (which is 0 in this case), a is the acceleration (which is due to gravity, -9.8 m/s^2), and t is the time.

Substituting the values given, we get:

\(d = 0 + (1/2)(-9.8 m/s^2)(5.41 s)^2\)

Simplifying, we get:

d ≈ 147.9 m

This tells us that the skydiver falls about 147.9 meters during the freefall part of the jump.

Now we can calculate the velocity of the skydiver just before opening her parachute using the equation:

\(v_f^2 = v_i^2 + 2ad\)

where v_f is the final velocity (which is 0 in this case), v_i is the initial velocity (which is 53 m/s), a is the acceleration (which is due to gravity, -9.8 m/s^2), and d is the distance traveled during the deceleration phase (which is 310 m - 147.9 m = 162.1 m).

Substituting the values given, we get:

\(0 = (53 m/s)^2 + 2(-9.8 m/s^2)(162.1 m - 147.9 m)\)

Simplifying, we get:

\(0 = 2809 - 6176\)

This is not possible, since it means that the final velocity is imaginary. This suggests that we made an error in our calculations. Checking our work, we find that the error is in the equation we used to calculate the distance traveled during the freefall part of the jump. We used the wrong value for the acceleration due to gravity - it should be positive, not negative:

\(d = v_i t + (1/2)at^2\)

Substituting the correct value for a, we get:

\(d = 0 + (1/2)(9.8 m/s^2)(5.41 s)^2\)

Simplifying, we get:

\(d ≈ 147.9 m\)

This is the same value we found earlier, but with the correct sign for the acceleration. Now we can redo our calculations for the deceleration phase:

\(v_f^2 = v_i^2 + 2ad\)

Substituting the values given, we

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Answer:

1.water evaporates from the sea

2.water rises in warm air

3.water vapor is cooled and form clouds

4.clouds move and water falls on land as rain

5water travels along a rive to the sea

Explanation:

and that is how the water cycle works

Answer:

Bending your knees

Explanation:

Beacuse when you fall down we try to don't hurt the face so we bend knee

Answer: Through a series of collisions between the gas molecules and dust particles, this material became organized in the form of a circumstellar disk. The circumstellar disk is where the planets formed. ... Not shown, eventually the star blows away the excess gas and some of the dust to become visible.

Explanation: Google

Answer:

It can be reused in another star because the law of conservation of matte states that matter is neither created nor destroyed.

Explanation:

hope this helps

Explanation:

the answerer is visible

Genetic material is known to absorb UV light. Given what we know, we can confirm that genetic material is not known to absorb light originating from an infrared or microwave radio source.

Genetic material is the hereditary substance in the cell. It carries all information specific to an organism. It is known as DNA (deoxyribonucleic acid) or RNA (ribonucleic acid)

UV light is electromagnetic radiation, and the primary source of UV light that we are exposed to is the sun.

Therefore, given that the only form of light listed that genetic material is known to absorb is that of Ultraviolet or UV light, we can confirm that the answer to the question proposed is infrared and microwave radio light.

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Answer:

the moment of inertia of the water increases, therefore the angular velocity must decrease

Explanation:

To analyze this exercise we see that the system is isolated therefore the angular momentum is conserved

initial instant. The plate with the ice cap (solid)

          L₀ = I₀ w₀

where Io is the moment of inertia of the plate plus the ice disk

          I₀ = ½ M r² + ½ m r²

where M is the mass of the plate and m is the mass of the ice

final instant.  When the ice has melted, therefore we have water that is a liquid and as the system is rotating it accumulates towards the periphery of the system,

           L_f = I w

in this case the moment of inertia is

            I = ½ M r² + I_water

the moment of inertia of water if it is concentrated in a thin ring is

          I_{water} = mr²

we can see that the moment of inertia increases

how angular momentum is conserved

          L₀ = L_f

          (½ M r² + ½ m r²) w₀ = (½ M r2 + I_{water})  w

          w = \(\frac{ \frac{1}{2} Mr^2 + \frac{1}{2} m r^2 }{\frac{1}{2} Mr^2 + I_{water} } \ w_o\) w

we can see that the moment of inertia of the water increases, therefore the angular velocity must decrease

Answer:

Yes labor is required therefor jobs like cashier, and other low skill labor jobs I'll not be required

Explanation:

Answer: time taken for a car traveling at 60km/hr for a distance of 60kms is 1.5 hrs

Explanation: the formula to calculate the speed of a moving object is

\(speed= \frac{distance(in km)}{time (in hr)}\)

we can easily substitute the values in the question into the equation

which would be

\(40 =\frac{60}{hrs}\)

using cross multiplication we can write the above equation as:

\(hrs= \frac{60}{40}\)

hrs = 1.5hrs

it takes 1 hour and 30 mins for the car to reach the destination

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When two asteroids approach Earth at the same speed, the one with the greater mass will possess more kinetic energy.

Kinetic energy is the energy possessed by an object due to its motion, and it can be calculated using the formula KE = 0.5 * m * v², where KE is kinetic energy, m is the object's mass, and v is its velocity.

Given that two asteroids approach Earth at the same speed, their velocities (v) are equal. However, to determine which asteroid has more kinetic energy, we need to compare their masses (m). In this scenario, the asteroid with the greater mass will have more kinetic energy because of the mass component in the kinetic energy formula.

It is essential to note that an asteroid's kinetic energy is a crucial factor when assessing the potential damage it could cause upon impact. A more massive asteroid with more kinetic energy would release more energy upon impact, potentially resulting in more significant damage to Earth and its environment.

In summary, when two asteroids approach Earth at the same speed, the one with the greater mass will possess more kinetic energy due to the dependence of kinetic energy on mass in the KE = 0.5 * m * v² formula.

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Answer:

I'm sorry to inform that I couldn't find an answer to this question. Socratic can help! This learning app, powered by Google AI, helps you understand your school work at a high school and university level. Ask Socratic a question and the app will find the best online resources for you to learn the concepts.

Explanation:

The timing of the Moon's revolution around the Earth and its rotation on its own axis is equal due to a phenomenon called tidal locking or gravitational locking.

Tidal locking occurs when the gravitational forces between two celestial bodies result in one body always facing the other with the same side. Because the Moon and Earth are tidally locked, the same side of the Moon is always facing the Earth and the same side is always facing us. The gravitational contact between the Earth and the Moon causes this phenomenon.

The Moon experiences a tidal bulge as a result of the Earth's gravitational pull, which produces a torque that slows the Moon's rotation. Over a long length of time, this torque has caused the Moon's rotation and revolution to coincide, such that one rotation of the Moon takes the same amount of time as one orbit around the Earth.

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Answer:

See explanation below

Explanation:

The ball's velocity in the horizontal direction remains constant unless it has acceleration.

According to all information given in the question, there is no ball, and it is not moving.

Answer:

D

No matter what time of year it is, shadows will remain the same.

Explanation:

Answer:

A

Explanation:

Late in the year the sun the earth is tilted away from the sun that means the sunlight is not coming in as directly. So, shadows during are longer.

Given:

The time period for which Nora rides the bicycle, t=5 min

The speed of the bicycle, s=10 m/s

To find:

The description of the ride.

Explanation:

The speed is a scalar quantity and has only magnitude. The velocity and acceleration are vector quantities and have magnitude and direction.

When the bicycle is traveling on a curved path at a constant speed, there will be an acceleration acting on it which keeps it on its path. This acceleration is called the centripetal acceleration.

The centripetal acceleration changes only the direction of the velocity and not the magnitude. Thus the speed will be constant. But the velocity will be changing at a constant acceleration.

As air passes through a venturi, the pressure decreases in the throat where the velocity is highest and increases again as the air moves away from the constriction.

As air passes through a venturi, both the pressure and velocity of the air undergo changes. The venturi effect, named after the Italian physicist Giovanni Venturi, describes the relationship between the velocity and pressure of a fluid as it flows through a constricted section of a pipe.

In a venturi, the cross-sectional area of the pipe decreases in the narrowest region, known as the throat, and then expands again to its original size. This change in cross-sectional area leads to changes in pressure and velocity.

Pressure: According to Bernoulli's principle, as the air flows through the narrower region of the venturi, the velocity of the air increases. According to the principle, an increase in fluid velocity leads to a decrease in pressure. Therefore, the pressure of the air decreases in the throat of the venturi where the velocity is the highest. As the air moves away from the throat and returns to a wider cross-sectional area, the velocity decreases, and the pressure increases again, returning to its original value.

Velocity: As the air passes through the narrower region of the venturi, the cross-sectional area decreases. According to the principle of conservation of mass, the mass flow rate remains constant for an incompressible fluid like air. Since the cross-sectional area decreases in the throat, the velocity of the air must increase to maintain the same mass flow rate. As the air moves away from the throat and enters the wider section of the venturi, the cross-sectional area increases, causing the velocity to decrease and return to its original value.

In summary, as air passes through a venturi, the pressure decreases in the throat where the velocity is highest and increases again as the air moves away from the constriction. Simultaneously, the velocity of the air increases in the narrower region and decreases as the air returns to a wider cross-sectional area. This phenomenon allows venturis to be used in various applications, such as flow measurement, fluid mixing, and atomization.

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Angular displacement: 10 rad.

linear displacement: 60 cm

In basic terms, angular velocity is the pace at which an item rotates or circles around an axis in time. "ω" is a Greek letter that stands in for angular velocity. Radians per second is the SI unit for angular velocity since it is expressed as an angle per unit of time.

Given that,

Radius of the CD below is 6.0 cm

Angular velocity is 5.0 rad/s.

As we know, angular displacement, (θ) = ω × t

or, θ = 5.0 rad/s × 2.0 sec

or, θ = 10 rad.

Next, linear displacement, (S) = R × θ

or, S = 6 cm. × 10 rad

or, S = 60 cm

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The time period of revolution that the international space station takes in the satellite is 19.78 hrs.

Time period = T

Radius = r

We know that T² ∝ r³,

Time period of moon = Tₐ

Radius of moon = rₙ

= Tₐ² ∝ rₙ³

Similarly for satellite,

Time period of satellite = Tₓ

Radius of satellite = rₐ

= Tₓ² ∝ rₐ³

Thus,

= Tₐ²  /  Tₓ²  = rₙ³ /  rₐ³

= Tₓ² = ( rₐ³ X Tₐ² ) /  rₙ³

= Tₓ² =  (350 X 10³ / 3.84 X 10⁸ )³ X 27.3 ²

= Tₓ² = 0.6793 day²

Thus, Tₐ = 0.824 day²

We know that 1 day = 24 hrs

Thus, Tₓ = 19.78 hrs

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The force on the cork is the weight of all the water that's directly over it. That's the water in a tall, skinny cylinder that's 2.0m long and has a base area of 2 cm^2.

Find the volume of that cylinder, use the density to find the mass of the water in that volume, then m•g to find the weight of that mass.

The addition of dielectric in a capacitor reduces the effective charge on the plate and hence increases capacitance.

Because capacitance is connected to the dielectric constant k, the capacitance of a capacitor increases when a dielectric is put between its plates.

The introduction of a dielectric substance increases the capacitance of a set of charged parallel plates. The capacitance between the plates is inversely proportional to the electric field between them, and the dielectric decreases the effective electric field.

Enhance the surface area, lower the gap between the plates, and utilize a dielectric material to increase the capacitance of a parallele plate capacitor.

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By using uniform motion, the high up the slope will it strike is 730.62 m.

We need to know about uniform motion to solve this problem. The 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, t is time and s is displacement.

From the question above, we know that

θ = 70⁰

vi = 200 m/s

x = 300 m

Find the initial velocity in x and y axis

vx = vi cosθ = 68.40 m/s

vy = vi sinθ = 187.94 m/s

Find the time taken to reach 300 m

vx = x / t

68.4 = 300 / t

t = 4.39 second

Find the time taken to reach maximum height

vt = vo + a . t

0 = vy - g . t

vy = gt

187.94 = 9.8 . t

t = 19.18 second

The motion of projectile is raising to maximum height, hence

s = vo . t + 1/2 . a . t²

h = vy . t - 1/2 . g . t²

h = 187.94 . 4.39 - 1/2 . 9.8 . 4.39²

h = 730.62 m

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The claim can be Cosmetics, hygiene, and cleaning product emissions may be dangerous.

Evidence 1: Effect of Air Quality

Volatile organic compounds (VOCs), including formaldehyde, benzene, and toluene, can be found in a variety of cosmetic, hygiene, and cleaning goods. These VOCs have the potential to evaportate and cause indoor air pollution.

Environmental impact is evidence number two

Cosmetics, hygiene, and cleaning goods can have a detrimental environmental impact during manufacturing, usage, and disposal. Microplastics and certain chemicals are among the substances present in these items that may find their way into rivers and endanger aquatic life.

Evidence 3: Worker health effects

Occupational health risks can be present for workers who manufacture and produce hygiene, cleaning, and cosmetic items.

Reasoning: It is clear from the research that emissions from cosmetic, hygiene, and cleaning goods have the potential to be harmful.

Thus, this way, harmful are the emissions from cosmetics, hygiene, and cleaning products.

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As energy is conserve:

\(Epi+Ekl=Epf+Ekf\)

i - initial

f - final

Beginning object at rest, \(Eki=0\). Object on the lowest position, hence \(Epf=0\).

Therefore:

\(Epi=Epf\)

\(M.g.h.=\frac{1}{2} (v^{2} )\)

Assume no Mass changed:

\(g.h.=\frac{1}{2}( v^{2} )\)

V is at bottom and assuming that \(g=\frac{10m}{s^2}\):

\(v=\sqrt{2gh}\)

\(v=\sqrt{2(10)(80)}\)

\(v=\sqrt{1,600}\)

\(v=40\)

The velocity is \(40m/s\)

Answer:

It slows down as the cross-section becomes smaller is the correct answer to this question.

Explanation:

Considering these discoveries in a scientific manner, what this implies about our classification of Pluto as a planet is that "There is no scientifically satisfying way to answer this question: we need a better definition of a planet that has some physical meaning behind it." (Option B)

Scientific discovery is the result of successful scientific investigation. Things, events, processes, causes, and attributes, as well as ideas and hypotheses and their aspects, can be discovered (their explanatory power, for example).

Penicillin is an example of scientific discovery. Antibiotics are potent medications that eliminate harmful germs in our bodies that cause illness. In 1928, Alexander Fleming developed penicillin, the first antibiotic, which he cultivated in his lab using mold and fungus. Infections such as strep throat might be fatal without medication.

Pluto is a dwarf planet in the Kuiper belt, which is a ring of worlds beyond Neptune's orbit. It is the ninth-largest and tenth-massive known asteroid to circle the Sun directly. It is by far the biggest known trans-Neptunian object by volume, yet it is somewhat less massive than Eris.

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Full Question:

Considering these discoveries in a scientific manner, what does this imply about our classification of Pluto as a planet?

Choose one:

A. Pluto and Eris should be classified as planets because they are the largest, but none of the other objects should be classified as such.

B. There is no scientifically satisfying way to answer this question: we need a better definition of a planet that has some physical meaning behind it.

C. All objects that orbit the Sun should be reclassified as planets.

D. Pluto, but not the other objects, should be classified as a planet because it is closer to the Sun than they are.E. Pluto, but not the other objects, should be classified as a planet because that is the way it was classically defined.

Answer:

He must be riding on a horse named Saturday.

Explanation:

He rode Saturday on Friday, stayed in the town for 3 days and left on his horse, named Saturday.

I've heard this many times.

he left his house on a Thursday got their on a Friday and left on Saturday Explanation:

this is the best i can do

Answer:

The charge of a neutron is 0  

The charge of an electron is -1

Explanation:

Answer:

The charge of Neutrons is: 0

The charge of Electrons is: -1

Explanation:

Neutrons are uncharged and Electrons are negatively charged. The negative charge of one electron balances the positive charge of one proton. Both protons and neutrons have a mass of 1, while electrons have almost no mass.