Can someone please answer this, ill give you brainliest Would be very appreciated.

Answer:

Hence, the transition has to cross the grey zone from liquid to solid or solid to liquid. This grey zone transition is crucial, including the intermolecular forces acting on the molecules and each atom, making the change in state from hot to cold and cold to hot.

Explanation:

Answer:

Hence from liquid to solid or solid to liquid the transition has to cross the grey zone. This grey zone transition is is very crucial which includes the inter molecular forces acting on the molecules and each atoms which makes the change in state from hot to cold and cold to hot.

Explanation:

this is based on ideal gas law PV=nRT.

Where P is pressure, V is volume, R is gas constant and T is temperature. Hence from liquid to solid or solid to liquid the transition has to cross the grey zone.

This grey zone transition is is very crucial which includes the inter molecular forces acting on the molecules and each atoms which makes the change in state from hot to cold and cold to hot.

The best example is ice crystal formation and water formation from ice crystal .

Hence the inter molecular force of attraction happens to be involved with changes in grey zone

Answer:

the answer is The lens forms a real image.

Explanation:

got it right on edge

Answer:

heat energy

Explanation:

Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer.

Answer:

1.5v

Explanation:

This is a series circuit with identical components, so the potential difference will be shared equally between each component. (1.5V + 1.5V) / 2 = 1.5V

According to the diagram, voltmeter 1 will show 1.5 V. Because it is a series combination voltmeter 2 will also show 1.5 V.

The potential difference, or voltage, between two points in an electrical or electronic circuit is measured using a voltmeter, also referred to as a voltage meter. While some voltmeters are made for use in alternating current (AC) circuits, others are meant to be used in direct current (DC) courses. Voltage for radio frequency (RF) can be measured using specialized voltmeters.

A simple analog voltmeter is a high resistance connected in series with a sensitive galvanometer (current meter). A voltmeter needs to have high internal resistance. Otherwise, it will consume a sizable amount of current, interfering with the test circuit's performance. The range of voltages that the meter can display depends on the series resistance value and the sensitivity of the galvanometer.

Since all of the components in this series circuit are the same, any potential difference will be distributed equally i.e., (1.5V + 1.5V) / 2 = 1.5V

To get more information about voltmeters:

https://brainly.com/question/8505839

#SPJ5

Thermal energy from the injured area transfers to the ice and the thermal energy transferred in this scenario is conduction.

Conduction heat transfer is the transfer of heat through matter such as  solids, liquids, or gases without bulk motion of the matter.

The  ice pack absorbs the heat energy without the actual movement of the molecules of the ice pack.

Thus, thermal energy from the injured area transfers to the ice and the thermal energy transferred in this scenario is conduction.

Learn more about conduction here: https://brainly.com/question/893656

#SPJ1

Answer:

1. What is the best description of thermal energy?

B) Thermal energy is the energy in matter due to the movement of its atoms and/or molecules.

2. An athlete hurts their wrist. They put an ice directly on the wrist. In which direction is the thermal energy moving?

B) The thermal energy is moving from the wrist to the ice pack.

3. What happens when two substances with different temperatures come into contact?

B) Thermal energy is transferred from the warmer substance to the cooler substance.

4. Which is the best description of what happens when thermal energy is removed from a substance?

B) Its particles lose kinetic energy and move more slowly.

5. Which of the following is typically part of the knowledge base of research and development scientists working on heating devices?

A) substances and their properties

Explanation:

i just finished the quick check

A ravine is a smaller version of a canyon that is typically formed by stream bank erosion. Ravines are greater in scale than gullies, but smaller than valleys.

A ravine is a  slope landform with relatively steep sides,Ravines may or may not contain active streams running along the down slope channel that produced them.

Ravine are frequently characterized by intermittent streams, since their geographic size is too small to maintain a perennial watercourse.

Hence, a ravine is a smaller version of a canyon that is typically formed by stream bank erosion.

To learn more about the ravine, refer to the link;

https://brainly.com/question/4638648

#SPJ1

The tension on the string when the coefficient of sliding kinetic friction between the block and floor is 0.2 is calculated as 19.8N

The force acting on the block in the horizontal direction is given by:

F_net = ma

where F_net is the net force acting on the block, m is the mass of the block, and a is its acceleration.

The force of friction opposing the motion of the block is given by:

F(friction) = μKN

where μK is the coefficient of kinetic friction between the block and the floor, and N is the normal force acting on the block due to the floor.

Since the block is pulled horizontally, the normal force acting on the block is equal and opposite to the weight of the block, which is given by:

N = mg

where g is the acceleration due to gravity.

Therefore, the net force acting on the block is:

Fnet = T - F (friction) = ma

where T is the tension in the string.

Substituting the expressions for F (friction), N, and Fnet, we get:

T - μKmg = ma

Solving for T, we get:

T = ma + μKmg

Substituting the given values, we get:

T = (5.0 kg)(2 m/s^2) + (0.2)(5.0 kg)(9.8 m/s^2)

Simplifying, we get:

T ≈ 19.8 N

Therefore, the tension in the string is approximately 19.8 N.

Learn more on tension here;

https://brainly.com/question/24994188

#SPJ1

Answer:

Drinking water

Our foods

Washing clothes

The order is followed as

Answer:

See below ~

Explanation:

Done from left to right :

Box 1 : Photosynthesis

Box 2 : Respiration

Box 3 : Combustion

Box 4 : Decomposition

Box 5 : Diffusion

Answer:

Warm air is less dense than cold air, and warm air holds more moisture than cold air.

Explanation:

HOPE THIS HELPS AND HAVE A NICE DAY <3

Answer:

A. Greenhouse gases

Explanation:

Because nuclear fission involves the modification of atoms.

Answer:

Greenhouse gases, because in nuclear fission, we are talking about modifying strictly atoms to get a reaction, therefore it would not make sense for greenhouse gases to be a reaction.

The time it will take to decay 6.25 grams is 24.4684 days.

A radioactive substance's half-life is often described as the amount of time it takes for one of its atoms to break apart or transform into another. Ernest Rutherford originally examined the theory in 1907. This is typically represented by the sign Ug or t1/2.

To make the concept clearer, let's use a radioactive element with an hour-long half-life.

Now according to the question the given values are :

T(1/2) for iodine-131 is 5.10 days,

[A]₀ for iodine-131 is 50 grams and,

[A] for iodine-131 is 6.25 grams.

T(1/2)=0.693/k

⇒8.10=0.693/k

⇒k=0.865 [tex]days^{-1}[/tex].

2.303 log [A]₀/[A]= kt

2.303 log(50.00/6.25)= 0.085×t

⇒t=1/0.085×2.303×log8

t=24.4684 days

Hence, the time it will take to decay is 24.4684 days.

To get more information about Half life period :

https://brainly.com/question/9654500

#SPJ2

Answer:

3.96 meters / sec

Explanation:

The skaters Kinetic Energy is converted to Potential Energy ( ignoring friction)

KE = PE

1/2  * 55 * v^2 = 55 * 9.81 * .8

solve for v = 3.96 m/s

Let initial velocity be v

So

initial kinetic energy

Final velocity is four times v i.e 4v

Final kinetic energy

Find ratio

Or

Option C

#BBH

Answer:

V = 65 at 101.7 deg

Vx = V cos θ = 65 cos 101.7 = -13.2

Vy = V sin θ = 65 sin 101.7 = 63.6

The last option is correct

Answer:

A. It pulls objects towards the center of Earth.

Explanation:

Think about dropping something, where does it go? If you are on earth, this goes down towards the ground due to the attractive force of gravity on every object (to pull everything to center of earth). Like Newton's apple.

It important to assess flexibility both before and during a workout regimen because to assess flexibility progress.

Flexibility exercises, as the name implies, help to increase the stretch of the muscles, improving the range of motion. More flexibility is also important to help prevent possible post-workout soreness.

In this case we have that the reason to continue doing stretching before and during the exercises is about  to assess flexibility progress.

See more about flexibility at brainly.com/question/15395713

#SPJ4

Answer:

A

Explanation:

Wavelength = 0.16m to 2.dp

Wavelength = wave speed / frequency

= 1,151 ÷ 7,143

= 0.1611367773

Hope this helps!

Two instruments based on Archimedes' principle

Explanation:

Archimedes' principle states -

OR

Applicatios : Lactometer , hydrometer.

149,597,871 kilometres

hope it helps...!!!

Answer:

C. sedimentary

Explanation:

Answer:

Sedimentary

Explanation:

Igneous rock- A rock that's formed through the cooling and solidification of magma or lava.

Metamorphic rock- A rock that starts out as another rock and often has a striped appearance.

Volcanic rock- A rock that's formed from lava that erupted from a volcano.

Sedimentary is the only right answer. A Sedimentary rock is a rock thats made from the deposition of lots of pieces of eroded rock particles.

Answer:

A

Explanation:

208+4=212

84+2=86

The correct answer is A

Answer:

17N

Explanation:

the side with most net force is going to be deducted by the side with the least net force.

#1

Double displacement reaction

Balanced one

#2

Decomposition reaction

Balanced one

Answer:

It orbits our sun is the correct answer

Sagittarius A* is 26,000 light-years away from earth. Hence, option (C) is correct.

Sagittarius A* (Sgr A*), a supermassive black hole at the center of the Milky Way Galaxy with a mass equal to four million Suns, is seen in the constellation of Sagittarius. It is a powerful radio source that is a part of the larger Sagittarius A complex.

One of Chandra's largest observing missions to date led to these new discoveries. In order to obtain the first-ever X-ray photos and energy fingerprints of the multi-million degree plasma swirling around Sgr A*, a black hole with around 4 million times the mass of the Sun, Chandra made observations over the course of nearly five weeks in 2012.

Sgr A* is one of the very few black holes in the cosmos where we can really observe the flow of stuff close by, and it is only 26,000 light years away from Earth.

Learn more about Sagittarius here:

https://brainly.com/question/13233977

#SPJ2

The heat equation is Q = mcT

Q is the total amount of heat transferred to or from something.