Can you produce current in a wire with a magnet that is sitting still?

The height of the water column above the base and the density of the water dictate how much pressure the water exerts on the base of the glass container. The weight of the water .

above it divided by the area of the container's base gives the pressure at any given depth. The glass container with the greatest pressure on the base is the one with the highest height of water column above the base, assuming that the base areas and water densities of all four glass containers are the same. As a result, the tank with the highest water level would also have the highest water pressure on the foundation. How much pressure the water puts on the base of the glass container depends on the height of the water column above it and the water's density. water's weight in pounds.

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Answer:

I. 56

II. c is the speed of light in vacuum.

III. 385.180×10¯²⁷ Kg.

Explanation:

I. Determination of the value of p.

²³⁸₉₂U + ¹₀n —> ¹³⁹ₚBa + ⁹⁷₃₆Kr + 3 ¹₀n

92 + 0 = p + 36 + 3(0)

92 = p + 36

Collect like terms

92 – 36 = p

56 = p

Therefore, the value of p is 56

II. Determination of the meaning of c

ΔE = Δmc²

In the Einstein's equation above,

E => is the energy

m => is the mass

c => is the speed of light in vacuum.

III. Determination of the total mass of the element formed after the reaction.

From the reaction above, the elements formed after the reaction are:

Barium–139 and Krypton–97. Thus, we can obtain the total mass of the elements formed as follow:

Mass of Ba–139 = 232.560×10¯²⁷ Kg

Mass of Kr–97 = 152.620×10¯²⁷ Kg

Total mass =?

Total mass = mass of Ba–139 + mass of Kr–97

Total mass = 232.560×10¯²⁷ + 152.620×10¯²⁷

Total mass = 385.180×10¯²⁷ Kg

Unintentional injuries caused by accidents are the number one killer of children and teenagers.

What causes the majority of adolescent deaths?

A little over half of all adolescent fatalities are caused by accidents. Over one-third of all fatal accidents fall under the category of motor vehicle fatalities, which is the top cause of death for teens. Non-Hispanic black male teens have the highest death rate.

The top causes of mortality for children under 5 years old continue to be congenital anomalies, pre-term birth complications, birth asphyxia, and other infectious diseases like pneumonia, diarrhea, and malaria. According to a recent study, homicide is the top cause of death for children in the United States, and the total rate has grown by 4.3% annually on average.

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Answer:

B

Explanation:

Got it right

Answer:

B. X: Releases energy to the photosphere

Y: Takes longer for photons to move through

Explanation:

Right on ED2021, goodluck!

Answer:

Magnetic energy is used by an electromagnet  to pick up metallic objects

Explanation:

An electromagnet generates its own magnetic field in presence of electric current.

As an electric current is induced in an electromagnet , it  magnetic dipole arrange themselves in order to behave as a magnet and hence generate magnetic field with a proper north and south. This leads to attraction of metallic object.

Hence, it can be said that Magnetic energy is used by an electromagnet  to pick up metallic objects

Answer:

D

Explanation:

this is simple, because when air is removed, means that there is no particles in the jar so vacuum is achieved, and when you can't hear a sound means that the sound couldn't travel through the vacuum. which means that sound cannot travel through vacuum,

as a result, sound requires a medium ( air) travel from one point to another.

hope it helps, if not please report it so that someone else gets to try it

The correct answer is 378000 km.

The speed of light is the rate at which light waves move through distinct substances. In instance, it has now been established that the speed of light in a vacuum is 299,792,458 metres per second.

Using the equation

distance = speed × time,

the total distance travelled is calculated.

Consequently, the overall distance travelled is

Distance = ( 3.00 × 10^8 m/s ) ( 2.52 )

= 756000000 m

The total distance travelled divided by two determines the distance between the Earth and the Moon.

Distance between earth to moon = 756000000/2

= 378000000 meters

= 378000 km.

Approximately 384 thousand kilometres separate the Earth and the Moon.

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The apple will fall in 0.00014 seconds

The branch of physics that defines motion with respect to space and time, ignoring the cause of that motion, is known as kinematics. Kinematics equations are a set of equations that can derive an unknown aspect of a body’s motion if the other aspects are provided.

u = 5 m/h = 0.00139 m/s

using kinematic equation

v = u + at

v = final velocity = 0

g = acceleration due to gravity

t = time = ?

using

v = u - g*t

0 = 0.00139  - 9.8 t

t = 0.00139 / 9.8  = 0.00014 seconds

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Here,

Size of object = 1.5 m;

Object distance (u) = - 2m = -200cm

focal length (f) = - 3.0 cm

Image distance (v) = ?

Using lens formula

Now magnification is given by

Final answer is :-

Image distance = - 2.96 cm & magnification = 0.0148

Answer:

Principle Archimedes is applied in building a ship and submarine using the manipulating that buoyancy, is controlled the ballast tank system.

Explanation:

Submarine is rather had they focused on main parts of the submarine,he is complex and long process implementation,the most submarine design like submarine stability.

Submarine stability is complete and the fundamental Archimedes principle to arrive the weight of submarine is equal to buoyancy force.

Submarine into the parts and components of ballast tank the sequence in diving and surfacing,there two vital parts:-  flood parts and air vents

flood parts:- at the bottom position and allow water to enter or leave that tank.

air vents:- air vents at the top of the pressure hall,and that they submarine dive.

this time submarine is most modern system is depth is 300 to 450 meters,high pressure  air is 15 bar is tank air valve.

submarine is basic of the effective volume of all the submarine surfaced condition,submarine minus to the free water flood is equal to the fully pressure hull,submarine is the surfaced condition.

Answer:

D Hookworm

Explanation:

The true statements about exomoons are:

A. Exomoons are likely to exist

D. Exomoons have been used as locations within science fiction stories

C. Exomoons must be only made of ice

A. Exomoons are likely to exist: It is believed that exomoons could exist in planetary systems beyond our own. While the detection and confirmation of exomoons remains a challenge, their existence is considered plausible based on the understanding of moon formation and the prevalence of exoplanets.

D. Exomoons have been used as locations within science fiction stories: Exomoons, being a fascinating concept, have captured the imagination of science fiction writers. They have been depicted in various stories and movies as intriguing and potentially habitable worlds.

E. Exomoons are moons that orbit exoplanets: An exomoon refers to a moon that orbits an exoplanet, which is a planet outside our solar system. Just like moons in our own solar system, exomoons are expected to orbit exoplanets, providing additional complexity and dynamics to the planetary systems.

C. Exomoons must be only made of ice: This statement is not true. Exomoons can be composed of various materials depending on their formation and composition. While some exomoons could have icy surfaces or subsurface oceans, others may be rocky or have diverse compositions.

It is important to note that our understanding of exomoons is still limited, and further research and observations are required to confirm their existence and study their characteristics.

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answer:

b.

explanation:

ik its right trust me <3

cause metals on the left and in the center of the periodic table form ionic bonds with nonmetals on the right of the periodic table.

Answer: B: The car is speeding up in the same direction as it is traveling.

Explanation:

I took the test and got it right

Answer:

the velocity is 200

Explanation:

Answer:A

Explanation:

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A liquid thermometer can be used to test for fevers. When body temperature increases, the liquid inside the thermometer expands and rises to show a higher temperature reading, the explanation that describes the change in the thermal energy,

The thermometer tip is heated by conduction with the person's body. The particles of the thermometer tip then transfer heat by conduction with the liquid inside of it. The particles inside the liquid then convect heat causing the warmer particles to speed up, expand, and rise.

It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.

Conduction with the subject's body heats the thermometer's tip. The liquid inside the thermometer is subsequently heated by conduction between the particles of the thermometer tip. The warmer particles then accelerate, expand, and ascend as a result of the heat convecting through the liquid's particles.

Thus, the correct answer is option D.

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Assuming that the "craft" refers to an early submersible craft, the tension in the cable, when it was being lowered to the seafloor, would be the tension when it was stationary minus the drag force.

Say, for example, the tension in the cable when an early submersible craft was 7000 N. When the craft was either lowered to or raised from the seafloor at a steady raid, the motion in through the water it experienced added a 1500 N drag force.

When it's being lowered, the tension in the cable would be the difference between the two forces = 7000 N - 1500 N = 5500 N.

When it's being raised, the tension in the cable would be the sum of the two forces = 7000 N + 1500 N = 8500 N.

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Answer:

At neutron star density, the Earth's whole mass would fit inside a 305-meter-diameter sphere.

Explanation:

The period of the planet is obtained as 3.5 years .

We know that we can be able to obtain the period of the planet by the use of the Kepler's law. By the use of the Kepler law, we can see that the square of the period of the planet is equal to the cube of the length of the semi major axis.

We can now write;

T^2 = r^3

Now we have the  semi-major axis length as 2.3 au.

We would now have to substitute the values and then obtain the period of the planet from the equation as;

T = r^3/2

T = (2.3)^3/2

T = 3.5 years

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These are the four largest moons of Jupiter and are collectively known as the Galilean moons. They were discovered by Galileo Galilei in 1610 and are named after characters from Greek mythology. Europa, Ganymede, Io, and Callisto are all fascinating celestial bodies with unique features and scientific significance

Europa is known for its subsurface ocean that may harbour conditions suitable for life, Ganymede is the largest moon in the solar system, Io is the most volcanically active object in the solar system, and Callisto is heavily cratered and geologically diverse. These moons have been studied extensively by spacecraft missions such as NASA's Galileo and Juno missions, providing valuable insights into the nature of Jupiter's moons and their geological processes. The major moons of Jupiter are Europa, Ganymede, Io, and Callisto. The major moons of Jupiter are Europa, Ganymede, Io and Callisto.

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Answer:

friction

air drag

every thing that opposes the motion affects kinetic energy

Explanation:

kinetic energy is a energy which is increase with increase in motion and potential energy is energy stored while the object is at rest

potential energy ∝ 1/(kinetic energy)

as kinetic energy increases potential energy decreases

Answer:

When a battery charges a capacitor, the conduction electrons flow from the battery to the plates of the capacitor. As the capacitor becomes charged, the electrons accumulate on the plates, creating a potential difference between the plates. This potential difference causes the flow of electrons to stop once the capacitor is fully charged, and the capacitor can hold a charge.

During the charging process, the voltage across the capacitor increases as more charge accumulates on the plates, while the current decreases as the flow of electrons slows down. When the capacitor is fully charged, the voltage across the capacitor is equal to the voltage of the battery, and the current stops flowing.

In summary, when a battery charges a capacitor, the conduction electrons flow from the battery to the plates of the capacitor, creating a potential difference that charges the capacitor. Once the capacitor is fully charged, the flow of electrons stops.

The conduction electrons in a battery charging a capacitor will flow from the negative terminal of the battery to the positive terminal.

This flow of electrons is known as an electric current. As the electrons move, they transfer energy to the capacitor, which causes the capacitor to become more positively charged. This process of charging continues until the capacitor reaches the same electrical potential as the battery.

Once the capacitor is fully charged, the electrons will no longer flow and the capacitor will remain at the same voltage as the battery.

The conduction electrons have transferred energy from the battery to the capacitor, allowing the capacitor to store electrical energy.

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Newton's law of cooling relates the temperature of an object with the time. This law is the following:

Where:

Since we are asked to determien time we need to solve for "t". To do that we will subtract the temperature of the surrounding from both sides:

Now, we divide by the factor multiplying "e":

Now, we use natural logarithm on both sides:

Now, we use the following property of logarithms on the right side:

This means that we can lower the exponent, like this:

Now, we divide both sides by "-r":

Now, we substitute the values:

Solving the operations:

Therefore, the time to wait is 20.15 minutes.

The maximum velocity with which an electron can eject out when 100 mm wavelength light falls on Cooper's surface is 1.52×10³ km/s.

The longest wavelength that can eject an electron from the copper surface is 243 nm = 243 × 10⁻⁹m.

Speed of light(c) = 3×10⁸ m/s

Plank's constant (h)= 6.626 ×10⁻³⁴ kgm²/s

So, the work function of the metal =

hc ÷ λ = (6.626×10⁻³⁴ × 3×10⁸) ÷ 243 ×10⁻⁹

hc ÷ λ = 8.18 × 10⁻¹⁹ J

When 100 mm wavelength light falls on the copper surface the energy of emitted electron will be;

The energy of 100 mm wavelength = work function of copper metal + energy of the ejected electron

hc/λ = work function + kinetic energy (electron)

6.626×10⁻³⁴ ×3×10⁸/100×10⁻⁹ = 8.18 × 10⁻¹⁹+ kinetic energy

19.87 × 10⁻¹⁹ = 8.18 × 10⁻¹⁹ + Kinetic energy

Kinetic energy (electron) = 19.87×10⁻¹⁹ - 8.18×10⁻¹⁹

Kinetic energy= 10.69 ×10⁻¹⁹ J

Now, the mass of electron= 9.1 ×10⁻³¹ kg

We know that

Kinetic energy = 1/2(mv²)

10.69×10⁻¹⁹ = 1/2(9.1×10⁻³¹ × v²)

V² = 2× 10.69 × 10⁻¹⁹ ÷ (9.1×10⁻³¹)

V² = 2.34 × 10¹² m/s

V = ✓ 2.34 ×10¹²

V = 1.52 ×10⁶ m/s

Since 1 m = 10⁻³ km

Hence, 1.52×10⁶ m/s = 1.52×10⁶×10⁻³ km/s

V = 1.52×10³ km/s

So, the maximum velocity with which an electron can eject out when 100 mm wavelength light falls on Cooper's surface is 1.52×10³ km/s.

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The velocity can never be measured in Newton the provided answer is correct.

\(\colorbox{aqua} A\colorbox{aqua} N\colorbox{aqua} S\colorbox{aqua} W\colorbox{aqua} E\colorbox{aqua} R\colorbox{aqua} S\)

Forces of inertia

Answer:

100 J

Explanation:

Answer:

20.41m/s. hdjdgshd

Explanation:

ok

Answer:

19.7963 m/s

Explanation: