explauin this plazz if u explain this to me i wil give brainlist

The statement given "Galileo's early telescopes revealed the four large moons of Jupiter, the rings of Saturn, and its large moon Titan." is true because Galileo's early telescopes revealed the four large moons of Jupiter, the rings of Saturn, and its large moon Titan.

Galileo Galilei, an Italian astronomer, made significant observations using his early telescopes. His observations provided evidence to support the heliocentric model of the solar system proposed by Copernicus. With his telescope, Galileo discovered four large moons orbiting Jupiter, which are now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. He also observed and documented the presence of rings around Saturn and identified its largest moon, Titan. These observations revolutionized our understanding of the solar system and provided critical evidence for the heliocentric model.

You can learn more about Galileo Galilei at

https://brainly.com/question/14479486

#SPJ11

The principles demonstrated in the carbon dioxide and water acidity experiment are evident in many real-life situations such as in the process of ocean acidification.

In the process of ocean acidification; as carbon dioxide dissolves in seawater, it reacts to form carbonic acid, which increases the acidity of the ocean. This increased acidity can harm many marine organisms, such as shellfish and coral, by making it more difficult for them to build and maintain their shells and skeletons.

Another example is the effect of carbon dioxide emissions from cars and factories on the acidity of rainwater. When carbon dioxide reacts with water in the atmosphere, it forms carbonic acid, which can make rainwater more acidic. This acid rain can damage buildings, trees, and other structures, and can also harm aquatic ecosystems by lowering the pH of rivers and lakes.

Overall, the principles demonstrated in the Carbon Dioxide and Water Acidity Experiment are relevant to many environmental issues and have important real-life implications.

Learn more about acidification here:

https://brainly.com/question/15611772

#SPJ1

Answer:

the energy of the photon is 4.9695 x 10^-19 joules.
Step by step explanation:

The energy of a photon can be calculated using the formula:

E = h * c / λ

where E is the energy of the photon in joules, h is Planck's constant (6.626 x 10^-34 J*s), c is the speed of light (3 x 10^8 m/s), and λ is the wavelength of the photon in meters.

First, we need to convert the wavelength from nanometers to meters:400 nm = 400 x 10^-9 m

Now we can plug in the values into the formula:

E = (6.626 x 10^-34 J*s) * (3 x 10^8 m/s) / (400 x 10^-9 m)

E = 4.9695 x 10^-19 J

Therefore, the energy of the photon is 4.9695 x 10^-19 joules.

As a capacitor is charging, the electric field between the plates is increasing. This changing electric field creates a magnetic field around the capacitor. The direction of the magnetic field is determined by the right-hand rule.

To use the right-hand rule, point your thumb in the direction of the electric field. Your fingers will then curl in the direction of the magnetic field. The magnitude of the magnetic field is proportional to the rate of change of the electric field. The faster the electric field is changing, the stronger the magnetic field will be. The magnetic field from a charging capacitor is strongest near the edges of the plates. This is because the electric field is strongest near the edges of the plates. The magnetic field from a charging capacitor can be used to create a current in a nearby wire. This is how radios and televisions work. The changing magnetic field from a capacitor in a radio antenna creates a current in the antenna, which is then amplified and used to create sound waves. The magnetic field from a charging capacitor can also be used to create a spark. This is how spark plugs in cars work. The changing magnetic field from a capacitor in a spark plug creates a spark, which ignites the fuel in the engine.

Learn more about magnetic field here : brainly.com/question/9111055
#SPJ11

When a series LRC circuit is driven at its resonance frequency, the phase difference between the drive voltage and the voltage across the resistor will be 0 degrees.

Solution - Resonant frequency is the natural frequency where a medium vibrates at the highest amplitude. Resonant frequency is usually denoted as f0. Resonance is witnessed in objects in equilibrium with acting forces and could keep vibrating for a long time under perfect conditions. This is because, at resonance, the inductive and capacitive reactances cancel each other out, resulting in a purely resistive circuit where the voltages across the resistor and the source are in phase.

To learn more about resonance frequency -

brainly.com/question/13040523

#SPJ11

Answer:

speed

Explanation:

Answer:1 7/25

Explanation:take the total distance7.3-4.1 then divide by the total time taken

The average velocity of the object is equal to -1.28m/s relative to the origin when it moves for 2.4 seconds.

Average velocity is a vector quantity and is defined as the change in position (∆x) divided by the time intervals (∆t) in which it occurs. The average velocity can be positive or negative and the S.I. unit of average velocity is m/s.

The average velocity of an object = ∆x/∆t

The average velocity of an object involves only the displacement of the object. However, the magnitude of the displacement of an object can be different from the actual path length.

Given, the displacement of the object = final position - initial position

∆x = 4.1 - 7.3 = -3.2m

The time, ∆t = 2.5 - 0 = 2.5 s

The average velocity of the object = ∆x/∆t = -3.2/2.5 = -1.28 m/s

Therefore, the average velocity of the object is -1/28 m/s relative to origin.

Learn more about average velocity, here:

https://brainly.com/question/862972

#SPJ2

The speed at which the paper clip be launched horizontally, given that the paper clip has a mass of 0.01 Kg is 5.81 m/s

We'll begin by obtaining the energy stored in the stored in rubber. This is shown below:

E = ½Ke²

E = ½ × 15× 0.15²

E = 7.5 × 0.0225

E = 0.16875 J

Finally, we shall determine the speed. Details below:

KE = ½mv²

0.16875 = ½ × 0.01 × v²

0.16875 = 0.005 × v²

Divide both side by 0.005

v² = 0.16875 / 0.005

Take the square root of both side

v = √(0.16875 / 0.005)

v = 5.81 m/s

Thus, the speed is 5.81 m/s

Learn more about speed:

https://brainly.com/question/13923042

#SPJ1

13.The color with the longest wavelength is option A. Red.

14.The sky appears blue due to option D. Scattering of light.

Red light has a longer wavelength compared to yellow and blue light.The color that has the longest wavelength is red. The color of the sky appears blue due to scattering of light. The distance between one peak and the next in a series of waves, particularly electromagnetic waves traveling through space or along a wire is referred to as wavelength.

The wavelength of light, for example, determines its color. Red light has the longest wavelength, followed by orange, yellow, green, blue, and purple, with violet light having the shortest wavelength. When light is reflected off a surface or passes through a medium, it can be deflected in various directions, a phenomenon known as scattering of light.

The Earth's atmosphere scatters sunlight in all directions, but the shorter blue wavelengths are scattered more than the longer wavelengths. As a result, we perceive the sky as blue during the day.  The light becomes scattered when it interacts with particles in the atmosphere, causing the sky to appear blue during the day and red during sunset or sunrise. The scattering of light is the process that causes the sky to appear blue.

Know more about   wavelength    here:

https://brainly.com/question/10750459

#SPJ8

Answer:

“brilliant, radiant, splendid”.

Explanation:

a) The gravitational force is 1.7 * 10^4 N.

b) The acceleration due to gravity is 277 m/s^2.

We know that the gravitational force is the force of attraction that acts in the universe between any two masses that are close to each other. We can see that we have the following information;

Mass of the sun =  2 x 10^30 kg

Mass of the person = 60 kg

Radius of the sun = 695,700 km or 695,700000 m

Force of gravity = Gm1m2/r^2

G = gravitational constant

m1 = mass  of the sun

m2 = mass of the person

r = radius of the sun

Hence;

F = 6.67 x 10^-11 * 2 x 10^30  * 60/( 695,700000)^2

F =  8 * 10^21 /4.8 * 10^17

F = 1.7 * 10^4 N

The acceleration due to gravity is gotten from;

g = Gm/r^2

g = 6.67 x 10^-11 * 2 x 10^30/( 695,700000)^2

g = 1.33 * 10^20/4.8 * 10^17

g = 277 m/s^2

Learn more about gravity:https://brainly.com/question/4014727

#SPJ1

Answer:

i think it d

Explanation:

The velocity with which the electrons drift in the silver wire is approximately 1.58 x 10^-4 m/s.

To find the velocity with which electrons drift in a silver wire, we can use the formula:

I = nAvq

where:

I is the current (in amperes),

n is the number of free electrons per unit volume (in m^3),

A is the cross-sectional area of the wire (in m^2),

v is the drift velocity of electrons (in m/s), and

q is the charge of an electron (approximately 1.6 x 10^-19 C).

Given:

I = 5.0 A (current)

n = 5.8 x 10^28 m^-3 (number of free electrons per m^3)

A = πr^2 = π(0.002 m)^2 (cross-sectional area)

q = 1.6 x 10^-19 C (charge of an electron)

First, we calculate the cross-sectional area of the wire:

A = π(0.002 m)^2 = 1.2566 x 10^-5 m^2

Next, we rearrange the formula and solve for v:

v = I / (nAq)

v = 5.0 A / (5.8 x 10^28 m^-3 * 1.2566 x 10^-5 m^2 * 1.6 x 10^-19 C)

v ≈ 1.58 x 10^-4 m/s

Therefore, the velocity with which the electrons drift in the silver wire is approximately 1.58 x 10^-4 m/s.

The drift velocity represents the average velocity at which the electrons move in the wire under the influence of an electric field. It is relatively small due to frequent collisions with lattice ions and other electrons within the wire.

For more such questions on electrons drift visit;

https://brainly.com/question/25700682

#SPJ8

Answer:

111.4 m

Explanation:

PE = m x g x h

349,300 = 320 x 9.8 x h

h = 349300 : 3136

h = 111,384 m

Answer: When it slows down or speeds up. Depending on which, it is appropiate.

Explanation:

Answer:

hydrochlorine +12÷B to the power of 4 -× y reapeated zminus 2 to the power of 9

Answer:

A single-called organism must perform all cellular functions on its own

Explanation:

i took the test

If a liquid doesn't absorb visible light, the liquid would appear dark or opaque to us.

The absorption of light, especially visible light, makes an object dark or opaque. To some wavelengths of light, some materials are opaque, but some are transparent to others. Glass, for instance, is opaque to ultraviolet light, but it is transparent to visible light.

Since the liquid does not absorb visible light, to human eyes the liquid would appear dark or opaque. This is because human eyes are only sensitive to visible light. If the dark/opaque liquid actually reflects other lights, we wouldn't know (without the help of technology) since we don't see them.

Learn more about light at https://brainly.com/question/14871680.

#SPJ4

Although a magnet can change the direction of travel of an electron beam, it cannot change its charge. The charge of an electron is a fundamental property and is not affected by magnetic fields.

A magnet is an object or material that produces a magnetic field, which can exert attractive or repulsive forces on other magnets or magnetic materials. It has a north pole and a south pole with opposite magnetic polarities. Magnets can be natural or artificial, and they are used in numerous applications like electric motors, generators, speakers, magnetic storage devices, and medical imaging machines. They play a crucial role in various industries and scientific fields where the manipulation of magnetic fields is necessary.

They are also commonly used in magnetic compasses for navigation and in various industrial and scientific applications where the manipulation of magnetic fields is required.

Learn more on magnets here https://brainly.com/question/14997726

#SPJ1

Glass is known to be a good insulator because atoms in glass hold on tightly to their positively charged particles.

Insulators are those substances that do not conduct heat or electricity like their conductor counterparts.

Conduction of electric charges is as a result of the free flow of electrons in the atom of the substance.

Hence, a good insulator holds on tightly to its electrons and prevent them from flowing freely to conduct electric charges.

Therefore, Glass is known to be a good insulator because atoms in glass hold on tightly to their positively charged particles.

Learn more about insulators at: https://brainly.com/question/24909989

It's the first answer, The atoms in glass hold on tightly to their positively charged particles.

- CONNECTIONS
---

much love <3

Answer:

it has 3 electrons. brainliest please

Answer:

Explanation:

Given:

m - mass

h - height

M - mass of the planet

R - planet radius

G - Gravity constant

_________

g - ? Acceleration of free making

Newton's law of universal gravitation:

F = G·m·M / (R +h)

g = F / m

g = G·M / (R +h)

Answer:

During nuclear fission, a neutron collides with a uranium atom and splits it, releasing a large amount of energy in the form of heat and radiation. More neutrons are also released when a uranium atom splits. These neutrons continue to collide with other uranium atoms, and the process repeats itself over and over again.

Explanation:

In nuclear fission the nucleus of an atom breaks up into two lighter nuclei. The process may take place spontaneously in some cases or may be induced by the excitation of the nucleus with a variety of particles (e.g., neutrons, protons, deuterons, or alpha particles) or with electromagnetic radiation in the form of gamma rays. In the fission process, a large quantity of energy is released, radioactive products are formed, and several neutrons are emitted. These neutrons can induce fission in a nearby nucleus of fissionable material and release more neutrons that can repeat the sequence, causing a chain reaction in which a large number of nuclei undergo fission and an enormous amount of energy is released. If controlled in a nuclear reactor, such a chain reaction can provide power for society’s benefit. If uncontrolled, as in the case of the so-called atomic bomb, it can lead to an explosion of awesome destructive force.

Answer:

In nuclear fission, atoms are split apart, which releases energy. All nuclear power plants use nuclear fission, and most nuclear power plants use uranium atoms. During nuclear fission, a neutron collides with a uranium atom and splits it, releasing a large amount of energy in the form of heat and radiation.

Answer:

I swear I am not a bot! but I think people post some notes on g00gle as well there are many things you can find when searching

Explanation:

copy/paste

( I have NO idea if these will help you but I try)

https://www.richlandone.org/site/handlers/filedownload.ashx?moduleinstanceid=21002&dataid=21739&FileName=Gravitation%20Notes.pdf

https://www.physicsclassroom.com/class/circles/Lesson-3/Newton-s-Law-of-Universal-Gravitation

https://courses.lumenlearning.com/boundless-physics/chapter/newtons-law-of-universal-gravitation/

The electrostatic force decreases with increasing distance.This is because the force is inversely proportional to the square of the distance.

The electrostatic force between two charges, given by Coulomb's law, is directly proportional to the product of the charges and inversely proportional to the square of the distance between them. Mathematically, it can be expressed as F = k * (q1 * q2) / r^2, where F is the electrostatic force, q1 and q2 are the charges, r is the distance between them, and k is the electrostatic constant.

In this particular situation, where two charges, q1 and q2, are separated by a distance r and the electrostatic force between them is given as F, we can determine that the force decreases as the distance between the charges increases. This is because the force is inversely proportional to the square of the distance. Therefore, if the distance doubles (2r), the force will decrease to one-fourth (1/2^2) of its original value. Similarly, if the distance triples (3r), the force will decrease to one-ninth (1/3^2) of its original value.

Learn more about Electrostatic force

brainly.com/question/31042490

#SPJ11

The force on a positive point charge q located a distance x from the end of a rod of length l with uniformly distributed positive charge q is F = (1/(4πε₀))(qq₁/l²)*((x-l)/|x-l| + x/|x|).

First, we need to calculate the force dF between a small element of the rod and the point charge q. Let dq be the charge of an element of length dx located at a distance y from the origin, and let r be the distance between this element and q.

Then, by Coulomb's law, the force on q due to this element is:

dF = (1/(4πε₀))(qdq/r²)

where ε₀ is the electric constant.

We can express r in terms of y and x as:

r = √((x-y)² + z²)

where z is the distance from the element to the axis of the rod. Since the rod is uniformly charged, we can assume that z is constant and equal to l/2.

Therefore, we have:

r = √((x-y)² + (l/2)²)

The total force on q is then the sum of the forces due to all the elements of the rod, integrated over the length of the rod:

F = ∫dF = (1/(4πε₀))q∫(dq/(x-y)²)*√((x-y)² + (l/2)²)dy

We can simplify the integral by substituting u = x-y, which gives:

F = (1/(4πε₀))q∫(dq/u²)*√(u² + (l/2)²)du

Next, we need to express dq in terms of u. Since the charge density of the rod is constant, we have:

dq = (q₁/l)dx

where q₁ is the total charge of the rod.

We can express dx in terms of du as:

dx = -du

since u is decreasing from l to -l as we integrate along the rod.

Substituting these expressions into the integral, we get:

F = -(1/(4πε₀))(qq₁/l²)∫du/(u²√(u² + (l/2)²))

To solve this integral, we can make the substitution v = u/(l/2), which gives:

F = -(1/(4πε₀))(qq₁/l²)∫(2/l)/(v²√(1+v²))dv

We can then use the substitution w = √(1+v²), which gives:

F = -(1/(4πε₀))(qq₁/l²)*∫2/(w²-1)dw

This integral can be solved using partial fractions:

F = -(1/(4πε₀))(qq₁/l²)∫(1/2)(1/(w-1) - 1/(w+1))dw

F = -(1/(4πε₀))(qq₁/l²)*[(1/2)*ln|w-1| - (1/2)*ln|w+1|] + C

where C is the constant of integration.

Substituting back for w and simplifying, we get:

F = (1/(4πε₀))(qq₁/l²)*[(x-l)/|x-l| + x/|x|]

This is the final expression for the force on the point charge q due to the uniformly distributed charge on the rod.

To know more about  positive charge, refer here:
https://brainly.com/question/2903220#
#SPJ11

Answer:

\(t_{1/2}=6 h\)

Explanation:

Let's use the decay equation.

\(A=A_{0}e^{-\lambda t}\)

Where:

We know that \(\lambda=\frac{ln(2)}{t_{1/2}}\)

So we have:

\(\lambda=\frac{ln(A/A_{0})}{t}\)

\(\frac{ln(2)}{t_{1/2}}=\frac{ln(A/A_{0})}{t}\)

\(t_{1/2}=\frac{t*ln(2)}{ln(A/A_{0})}\)

\(t_{1/2}=6 h\)

Therefore, the half-life of the source is 6 hours.

I hope it helps you!

The energy required for the phase change from solid to liquid for a substance is known as the heat of fusion (C)

The amount of energy that must be supplied to a solid substance (usually in the form of heat) in order to cause a change in the substance's physical state and convert it into a liquid is referred to as the latent heat of fusion, which is also known as the enthalpy of fusion (when the pressure of the environment is kept constant). Because of the usage of this energy in the process of counteracting the attractive force that exists between the molecules, the kinetic energy of the particles does not increase, and as a result, the temperature does not go up.

To learn more about latent heat of fusion, click here:

https://brainly.com/question/8914501

#SPJ4