Describe how the particles change when a solid turns to liquid and when a liquid turns to a gas

Answer:

acid and bases

Explanation:

When compared to each other, radio waves are produced by the movement of negatively-charged electrons whereas gamma rays are produced in nuclear reactions.

The back-and-forth movement of negatively charged electrons inside an antenna produces radio waves.

Radio waves have the longest wavelengths of all the waves in the electromagnetic spectrum. Radio waves are typically found at frequencies of 300 gigahertz and below.

On the other hand, nuclear explosions, lightning, and radioactive decay generate gamma rays.

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Spectral shifts are caused by the movement of the spectrum to shorter wavelengths, while the Big Bang Theory is supported by spectra analyses because we can determine how spectra of electromagnetic radiation from stars changes depending on their relative position.

The Big Bang Theory is a widely accepted model in physics about the boring of the Universe, which it is believed occurred though a big explosion, while light spectra refers to the observation of the electromagnetic radiation emitted by stars.

Therefore, with this data, we can see that the Big Bang Theory obtains supportive evidence from the emission of electromagnetic spectra of stars.

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The resistance of a circuit that contains two 50.0 Ω resistors connected in series with a 12.0 V battery is 100 Ω. The resistance of the circuit is equal to the sum of the individual resistors when they are connected in series.

In this case, two 50.0 Ω resistors are connected in series, resulting in a total resistance of 100 Ω. Resistance can be defined as the obstruction that electricity faces when it travels through a conductor. The greater the resistance, the less current is allowed to flow through the circuit. The following equation is used to calculate resistance: R = V / IWhere R is resistance, V is voltage, and I is current.

Resistance can also be calculated using Ohm's Law if we know the values of voltage and current. When resistors are connected in series, the total resistance of the circuit is equal to the sum of the individual resistors. This is expressed by the following equation:RT = R1 + R2 + ... + RNWhere RT is the total resistance of the circuit, and R1, R2, and RN are the individual resistors. In this case, the circuit contains two 50.0 Ω resistors connected in series.

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The compression in the spring will be 4.9m

What is spring force?

The force needed to compress or extend a spring attached to an object is known as the spring force. A spring exerts an equal and opposite force on a body when the object exerts a force on it. It always acts to bring mass back to its equilibrium. Spring force exerted by the spring on the body is given by = where k is the spring constant of the spring x is the compression or extension caused in the spring. To find the x we can use this formula.

Now, according to the question we have

Spring constant=2000N/m

Mass attached to the spring=1000Kg

On substituting the values in the above formula, we get the compression as

F=kx

mg=kx

1000×9.8=2000×x

x=4.9m

Therefore, the compression in the spring is 4.9m

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Answer:

1 atom of oxygen

2 atoms of hydrogen in each molecule

Each water molecule contains 3 atoms making the H2O formula

The tides on Earth are affected by the gravitational pull of both the Moon and the Sun.  When the Sun, Earth, and Moon are aligned, either during a full or new moon, their combined gravitational pull produces higher high tides and lower low tides, known as spring tides.  

On the other hand, when the Sun, Earth, and Moon form a right angle, during the first or third quarter moon, their gravitational pull partially cancels each other out, leading to lower high tides and higher low tides, known as neap tides.

During spring tides, the high tides are at their highest and low tides are at their lowest, producing a greater tidal range. In contrast, during neap tides, the tidal range is at its lowest, with high tides not reaching as high and low tides not going as low.

Overall, the alignment of the Sun, Earth, and Moon affects the magnitude and frequency of the tides on Earth.

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Answer:

Greenhouse gases include carbon dioxide, methane, nitrous oxide and other gases that accumulate in the atmosphere and create the heat-reflective layer that keeps the Earth at a livable temperature. These gases form the insulation that keeps the planet warm enough to support life.

Answer:

Actually, the sun goes a bit down, like it's not all the way up as to summer. How I know is that you actually can go online maybe search for some videos and see proof, I don't really know how to explain it.

Explanation:

Reason #1: If you check, go out for 12 hours and see, I think the sun is a little down.

Reason #2:

The earth’s axis is tilted.

From a Brainly user of this question for more info:

The Earth is NOT farther away from the sun in USA Winter, and NOT closer to the sun in USA Summer. In 2021, we will be NEAREST to the sun on January 2, and FARTHEST from the sun on July 5 !

NEAREST to the sun next Saturday.

FARTHEST from the sun next July 5.

Answer:

V = 9 volts

Explanation:

Ohm's Law gives a relationship between the voltage supply and the current passing through a circuit. The formula given by the Ohm's Law is written as follows:

V = IR

where,

V = Voltage supplied to the charger = ?

I = Current flowing through the circuit of the charger = 0.2 A

R = Resistance of the charger = 45 Ohms

Therefore, using these values in the equation, we get:

V = (0.2 A)(45 Ohms)

V = 9 volts

Answer:

93m/s

Explanation:

Solution,

Here,

Length(l)=0.72m

Mass(m)=5x 10⁻³

T=60N

As we have

v=√T/μ

And

μ=m/l

μ=5 x 10⁻³ /0.72

Now

v=√60×0.72/5 x 10⁻³

v=√8640

v=92.95m/s=93m/s

Answer:

10 N

Explanation:

Given that,

A 2 kg hammer is used to nail a 0.002 kg nail with a force of 10 N.

We need to find how much force is applied to the hammer.

We know that, every action has an equal and opposite reaction. Both the action and reaction occurs in two different objects.

Hence, the force applied to the hammer is equal to 10 N.

For this problem, lets use the kinetic energy formula

Where m is equal to mass and v is equal to velocity

In our given, we have:

velocity = 60 m/s

kinetic energy = 6,025,000 J

Plug these numbers into the formula to get the mass

m = 3347.222 kg

During the summertime in Texas, mosquitos swarm. cars driving on the highways get covered in bugs.  which of the two forces is greater, Neither, they both experience the same force in opposite directions.

By Newton's third law, that car pushes on mosquitoes with the same force, but in the opposite direction. This force causes mosquitoes to slow down. One force of the action-reaction force pair is exerted on mosquitoes, and the other force of the force pair is exerted on mosquitoes.

Examples of action-reaction pair:

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Squall lines most prominently produce severe weather.

Squall lines are long, narrow bands of thunderstorms that form along or ahead of a cold front. They are known for their ability to generate intense weather conditions. Within a squall line, various severe weather phenomena can occur, including heavy rain, strong winds, hail, lightning, and even tornadoes.

These storms can be particularly hazardous due to their potential for widespread damaging effects. Squall lines are closely monitored by meteorologists and can pose significant threats to areas in their path, often requiring severe weather alerts and warnings to be issued to the public.

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The displacement of the particle when t = ti is s = π/12 + √3/2.

The displacement of a particle moving along a straight line is given by s = t + cos(2t), where t is the time in seconds.

To find the first two times when the particle is at rest, we need to find the values of t when the velocity of the particle is zero. The velocity of the particle is given by the derivative of the displacement with respect to time, which is v = ds/dt = 1 - 2sin(2t).

Setting v = 0, we get:

1 - 2sin(2t) = 0

2sin(2t) = 1

sin(2t) = 1/2

2t = sin^-1(1/2)

2t = π/6 or 2t = 5π/6

t = π/12 or t = 5π/12

Therefore, the first two times when the particle is at rest are ti = π/12 and t2 = 5π/12.

To find the displacement of the particle when t = ti, we simply plug ti into the equation for s:

s = ti + cos(2ti) = π/12 + cos(2π/12) = π/12 + cos(π/6) = π/12 + √3/2

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Answer:

so the answer is The height of spring minus from the length of metre rule =25

If the resistance remains constant and the voltage doubles, the power will increase by a factor of 4 (option E)

The following data were obtained from the question:

P = V² / R

Resistance is constant, we have

V₁² / P₁ = V₂² / P₂

V² / P = (2V)² / P₂

V² / P = 4V² / P₂

Cross multiply

V² × P₂ = P × 4V²

Divide both side by V²

P₂ = P × 4V² / V²

P₂ = P × 4

From the above, we can conclude that the power will increase by a factor of 4 (option E)

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Answer:

How does the wavelength at which the maximum intensity occurs change when you increase the temperature? The wavelength decreases.

Explanation:

...

The quantity that must be measured in order to calculate the coefficient of friction is angle at which the surface is tilted

Since the block of mass m slides at a constant speed,

a = 0

If tilted at an angle θ,

∑ Fy = m ay

N - Wy = 0

N = m g cos θ

∑ Fx = m ax

Wx - f = 0

f = m g sin θ

f = μ N

f = Frictional force

μ = Co efficient of friction

N = Normal force

μ = f / N

μ = m g sin θ / m g cos θ

μ = sin θ / cos θ

μ = tan θ

μ ∝ θ

Therefore, to calculate the coefficient of friction, the quantity that needs to be measured is angle of tilt

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All three methods Amp draw test, Voltage test, Ohm test should be used in combination to diagnose circuit problems and determine which component is not working properly.

All three methods can be used to determine which component in a circuit is not working properly, but they are each useful for different purposes:

A) Amp draw test: This method involves measuring the amount of current flowing through a component. It can be used to determine if a component is drawing too much or too little current, which can indicate a problem such as a short circuit or an open circuit.

B) Voltage test: This method involves measuring the voltage across a component. It can be used to determine if a component is receiving the correct voltage, which can indicate a problem such as a loose connection or a failed component.

C) Ohm test: This method involves measuring the resistance of a component. It can be used to determine if a component has the correct resistance, which can indicate a problem such as a broken wire or a failed component.

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Answer: Height

Explanation:

You could raise it further off the ground.

Answer:

Correct option is A)

Explanation:

Given that,

Mass of airplane, m=900Kg

Velocity, v=180K/h

Here, velocity is constant. So, acceleration is zero as

a=

dt

dv

Force,

F=ma

F=0

Answer:

25.0 less force

Explanation:

Answer:

7/20

Explanation:

0.35 as a fraction =35/100

35/100 can b divided by 5 so =7/20

0.350 simplified as a fraction is 7/20

Answer:

7/20

Explanation:

Answer:

Explanation:

24 i think

Answer:

B. 24

Explanation:

There are 24 atoms in one molecule of C6 H12 06. This chemical compound is made up of 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen. We find the number of atoms by adding these numbers up. We than get:

6 + 12 + 6 = 12 + 12 = 24

Therefore, there are 24 atoms in the following chemical formula.

The force F1 is equal and opposite to the downward force thus, F1 is equal to 60 N. The force F2 is inclined to 30 ° from leftward force and it is equal to 38.97 N in magnitude.

Force is an external agent acting on a body to deform it or to change its state of motion or rest. Force is a vector quantity and it is characterised by its magnitude and direction.

If two forces acting on a body from the same directions, then the net force will be the sum of these two forces. If they are acting from opposite directions, they will cancel each other in magnitude.

The force F1 is equal and opposite to the force acting downward. Thus its magnitude is 60 N. The force F2 is inclined to 30 ° from horizontal direction.

F2 = 45 cos 30 = 38.9 N.

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Answer:

-4,200,000 J

Explanation:

Answer:

D

Explanation:

I’m pretty sure it’s correct but I don’t really know. Just trying to pass science

Answer:

The correct answer is D trust me I did the test

When the concave lens moves in it exit by spreading out like water

A type of device that is used as a nuclear reactor is called a "nuclear reactor." A nuclear reactor is a system that initiates and controls a nuclear chain reaction, producing heat energy through nuclear fission or fusion processes. These reactors are designed to generate electricity, produce heat for industrial purposes, or conduct research.

There are different types of nuclear reactors, including pressurized water reactors (PWRs), boiling water reactors (BWRs), and advanced reactor designs like sodium-cooled fast reactors (SFRs) and molten salt reactors (MSRs). Each type has its own unique characteristics and operating principles.

It's important to note that nuclear reactors utilize various substances, such as enriched uranium or plutonium, as fuel to sustain nuclear reactions. These substances undergo controlled fission reactions, releasing energy in the form of heat.

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