What is the term used to describe the energy of a system that is available to do work?.

Answer:

Volume.

Explanation:

Matter refers to basically anything that takes up space. For something to take up space, it is needed to have mass and volume.

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Answer:

Volume and Mass

Explanation:

Takes up space

Hope this helps!

Both students experience the same gravitational force and travel the same vertical distance between the floors, the magnitude of the work done on both students by the gravitational force is the same.

The magnitude of the work done on student 1 by the gravitational force is equal to the magnitude of the work done on student 2 by the gravitational force.

The work done by the gravitational force can be calculated using the formula

Work = Force * Distance * cos(theta)

In this case, the force is the weight of the students, which is the same for both students since they have the same mass.

The distance is the vertical height between the first floor and the second floor. The angle theta between the direction of the force and the direction of displacement is 0 degrees since the force and displacement are in the same direction.

Since both students experience the same gravitational force and travel the same vertical distance between the floors, the magnitude of the work done on both students by the gravitational force is the same.

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Answer:

3.721 m/s

This is the explanation of the ans

Based on the graph;

The work done by friction as the block travels from x =-0.04 to x = −0.02 m is 0.01 J.

The force exerted on the block by the spring at x = −0.02 m is 1 N.

The stiffness of a spring is indicated by the spring constant, k. For various springs and materials, it varies. The stiffer the spring is and the harder it is to stretch, the larger the spring constant. The spring constant is a measure of the spring's stiffness.

The force exerted by a spring of spring constant, k is given below as follows:

F = - kx.

where;

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The required magnitude of the force that stopped Melissa's car is 118608.7 N.

According to the first law, unless a force acts on an object, it will not alter its motion. According to the second law, an object's force is determined by multiplying its mass by its acceleration. According to the third law, when two objects interact, they exert equal-sized and opposite-direction forces upon one another.

An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.

Given,

speed=8.133 m/s

final velocity=0 (due to impact)

time=0.3994 seconds

distance=11.01m

Then,

S = ut + (at^2)/2

a = 2(s - ut)t^2

a = 97.3 m/s^2

So,

Force = ma

Force = 1219(97.3)

Force = 118608.7 N

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Answer:

Hope it's help you !!!!! :)

Answer:

it's gravitational potential energy would have converted to kinetic energy half way back when it's falls

True. Exobiologists believe that Europa, one of Jupiter's moons, is a good candidate for life beyond Earth. Europa is unique in that it has a subsurface ocean of liquid water underneath its icy surface. This ocean is heated by tidal forces from Jupiter, creating hydrothermal vents and potential habitats for microbial life.

Additionally, Europa's ice crust could protect any potential life from harmful radiation. In recent years, NASA has sent several missions to explore Europa, including the Europa Clipper mission planned for launch in the 2020s. This mission will conduct multiple flybys of the moon and use a suite of scientific instruments to study its ice shell, subsurface ocean, and potential habitability. Overall, while Mars remains a primary focus for astrobiology research, Europa presents a promising target for the search for life beyond our planet.

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The capacitors are connected, each capacitor has a charge of Qdc=6C. The capacitors' capacitances are C1=1.0F and C2=2.0F, and the source's emf is equal to 10V. The potential difference between A and B is 5.0V.

You add each of the capacitances using the method below to determine the total can be of the a number more capacitors joined in this way: CTotal Equals C1 Plus C2 + C3, etc. Example: to determine the combined capacitance of these three parallel capacitors.

C1 and C2 serve as coupling capacitors primarily, letting AC signals travel while block DC at the inputs and outputs in order to prevent voltages from earlier or later circuits from upsetting the biased condition for the this amplifier.

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Answer:  water vapor

Explanstion

When water is heated it evaporates, which means it turns into water vapor and expands. At 100℃ it boils, thus rapidly evaporating. And at boiling point, the invisible gas of steam is created. ... Those drops of water are called condensation

The steam coming off the pot of boiling water is an example of Water vapor.

Water throughout a gaseous condition, particularly in the atmosphere and at temperatures lower than the boiling point. This same basic ingredient for cloud as well as rain production is water vapor throughout the environment.

It also serves to maintain the Earth's temperature by reflecting and dispersing solar energy as well as absorbing infrared heat from this same Planet.

Thus the response above is correct.

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The image that shows the free body diagram of the bag pack is option J.

The term free body diagram has to do with the way the that the forces that act on an object are able to carry on. We know that an object is always acted upon by a system of forces. The forces that act on the object could be balanced or unbalanced. If the system of forces is balanced than the object would remain stationary. If the system of forces is not balanced then the object would move.

In this case, we have been told that high school student holds a backpack one meter above the ground. We know that we expect that the free body diagram would be able to show us the forces that act on the bag and this would include the weight of the bag which is the gravitational pull on it and the tension on the rope that holds the bag.

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Answer: . You may have heard that muscle weighs more than fat. However, according to science, a pound of muscle and a pound of fat weigh the same. The difference between the two is density.

Explanation:

The speed of the object base on its revolution is 40π km/min and the acceleration is zero.

The revolution number of the tire can be calculated by using the circular motion. The revolution number is represented by n. The number of revolutions in a circular motion should follow

n = s / (2πR)

where n is total revolution, s is total distance and R is the radius of circular object.

From the question above, the given parameters are

n = 1

t = 1 min

R = 20 km

By using the given equation, we can calculate the number of total distance

n = s / (2π . R)

1 = s / (2π . 20km)

s = 40π km

Hence, in one minute, the speed of object is

v = s / t

v = 40π / 1

v = 40π km/min

The acceleration is zero because the object moves at a constant speed.

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A. Total momentum in a closed system is conserved

the law of momentum conservation states that The total amount of momentum before the collision is the same as the total momentum after the collision. Regardless of the change of momentum of each object.

Explanation:

Because they evolved rapidly, and moulted like other arthropods,trilobites serve as excellent index fossils, enabling geologists to date the age of the rock in which they are found

ANSWER

EXPLANATION

If force F keeps the object in equilibrium

Answer:

See below

Explanation:

Find the x components of all of the forces shown, add them together, the x-component of the force F will be exactly opposite ( same magnitude but 180 degrees different)

30 cos 55  +     40 cos 205   +   50 cos 320  =  19.26    <====x component sum of all of the forces shown

F  (the x component of ) will be   Either    - 19.26   At zero degrees

                                                                 Or 19.26 at 180 degrees

The full bore pipe flow is 3.4 m³/s and  the slope at which the concrete-lined open channel should be constructed in the field is approximately 0.000197 (or 0.0197%).

(i) To determine the full bore pipe flow, we can use the pipe chart provided in Appendix B. Since the diameter of the stormwater sewer is given as 1200 mm, we need to convert it to meters.

Diameter = 1200 mm = 1.2 m

From the pipe chart, we can find the capacity (Q) of the pipe for full bore flow using the diameter. Let's assume the pipe has a circular cross-section.

Looking up the diameter of 1.2 m in the pipe chart, we find the corresponding capacity to be approximately 3.4 m³/s.

(ii) To determine the slope at which the concrete-lined open channel should be constructed, we can use the Manning's equation. The Manning's equation relates the flow rate (Q) in an open channel to its slope (S), cross-sectional area (A), and Manning's roughness coefficient (n).

Q = (1/n) * A * \(R^(2/3)\)* S^(1/2)

Q is the flow rate

n is the Manning's roughness coefficient

A is the cross-sectional area of the channel

R is the hydraulic radius of the channel

S is the slope of the channel

We have the flow rate (Q) determined from part (i). Now, we need to calculate the cross-sectional area (A) of the trapezoidal channel.

The trapezoidal channel has a bottom width of 0.5 m and a depth of flow of 0.90 m. The side batters are 1 vertical to 1 horizontal, which means the side slopes are at a 45-degree angle.

The cross-sectional area (A) of the trapezoidal channel can be calculated using the formula:

A = (b + z*y) * y

b is the bottom width of the channel (0.5 m)

z is the side slope ratio (1 vertical to 1 horizontal)

y is the depth of flow (0.90 m)

Substituting the values, we get:

A = (0.5 + 1*0.90) * 0.90

A = 1.4 * 0.90

A = 1.26 m²

Next, we need to calculate the hydraulic radius (R) of the channel. The hydraulic radius is defined as the cross-sectional area divided by the wetted perimeter (P).

P = b + 2ysqrt(1 +\(z^2\))

Substituting the values, we get:

P = 0.5 + 20.90sqrt(1 +\(1^2\))

P = 0.5 + 20.90sqrt(2)

P ≈ 0.5 + 20.901.414

P ≈ 0.5 + 2*1.271

P ≈ 0.5 + 2.542

P ≈ 3.042 m

R = A / P

R = 1.26 / 3.042

R ≈ 0.414 m

Now, we can rearrange the Manning's equation to solve for the slope (S) of the channel.

S = (Q * \(n^2\)) / (A *\(R^(2/3)\)) * (1/2)

Substituting the values, we get:

S = (3.4 * \(0.012^2\)) / (1.26 * \(0.414^(2/3\))) * (1/2)

S ≈ 0.000064 / 0.324 * (1/2)

S ≈ 0.000197

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Answer:

x = 1474.9 [m]

Explanation:

To solve this problem we must use Newton's second law, which tells us that the sum of forces must be equal to the product of mass by acceleration.

We must understand that when forces are applied on the body, they tend to slow the body down to stop it.

So as the body continues to move to the left, it is slowing down. Therefore we must calculate this deceleration value using Newton's second law. We must perform a sum of forces on the x-axis equal to the product of mass by acceleration. With leftward movement as negative and rightward forces as positive.

ΣF = m*a

\(10 +12*sin(60)= - 6*a\\a = - 3.39[m/s^{2}]\)

Now using the following equation of kinematics, we can calculate the distance of the block, before stopping completely. The initial speed must be 100 [m/s].

\(v_{f}^{2} =v_{o}^{2}-2*a*x\)

where:

Vf = final velocity = 0 (the block stops)

Vo = initial velocity = 100 [m/s]

a = - 3.39 [m/s²]

x = displacement [m]

\(0 = 100^{2}-2*3.39*x\\x=\frac{10000}{2*3.39}\\x=1474.9[m]\)

A resume is usually read for less than C. 30 seconds by an employer.

A resume is a document that presents your educational qualifications, experiences, and achievements that have taken place throughout your academic career and professional life. This document is crucial in a job application process, and it plays a key role in determining whether an employer is interested in interviewing you or not. Thus, it is necessary to write a well-written and a concise resume that catches the employer's attention in less than 30 seconds. This is because most employers go through many job applications and they do not have much time to read every resume thoroughly.

Therefore, it is essential to organize and format the resume in such a way that the key information and skills stand out. In addition, it is necessary to customize the resume to fit the job requirements of each job application, this can be done by researching the company and the job position to determine what skills and qualifications the employer is looking for. In conclusion, it is crucial to ensure that the resume is well-written, organized, and customized to fit the employer's requirements. So the correct answer is C. 30.

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The spring constant is approximately 1,820 N/m, rounded to two significant figures. The rock's potential energy at the top of the cliff is converted to kinetic energy as it falls, which is then converted to elastic potential energy when the rock compresses the spring.

The amount of elastic potential energy stored in the spring is given by:

E = (1/2)kx^2; where k is the spring constant and x is the compression distance of the spring. The gravitational potential energy of the rock at the top of the cliff is given by: E = mgh

Where m is the mass of the rock, g is the acceleration due to gravity (9.8 m/s^2), and h is the cliff's height (32 m). Setting these two expressions for energy equal to each other, we can solve for the spring constant:

(1/2)kx^2 = mgh

k = 2mgh / x^2

Substituting the given values, we get:

k = 2(2.5 kg)(9.8 m/s^2)(32 m) / (0.57 m)^2

k ≈ 1,820 N/m

Therefore, the spring constant is approximately 1,820 N/m, rounded to two significant figures.

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Covalent

Explanation:

Covalent Bond

Answer:

diphosphorus trioxide

Explanation:

Given what we know about the Kepler space program, we know that the astronomers discovered that Earth-sized planets are more common than we imagined.

Kepler was launched with the intention of getting a closer look at other planets outside of our solar system using enhanced photometrics.

The idea behind this launch was to discover more Earth-sized planets, preferably within the habitable zone of their central star.

What this mission showed astronomers, is that Earth-sized planets are more common than we could have imagined, Kepler proved this by finding over 2,662 planets to date.

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Answer:

Pressure, P = 7 Pa

Explanation:

Given that,

Force exerted on the surface, F = 42 N

Length, l = 3 m

Width, b = 2 m

We need to find the pressure exerted by this force. We know that, pressure is equal to force per unit area. So,

\(P=\dfrac{F}{l\times b}\\\\P=\dfrac{42}{3\times 2}\\\\P=7\ Pa\)

So, the required pressure is equal to 7 Pa.

Answer:

  12.5 A

Explanation:

You want the current intensity in an iron wire 3.14 m long with a radius of 0.5 mm connected to a 5V battery, given the resistivity of iron is 10^-7 Ω·m.

The resistance of the wire is proportional to wire length, and inversely proportional to area:

  R = ρl/A

  R = (10^-7 Ω·m)(3.14 m)/(3.14·(0.5·10^-3 m)²) = (1/.25)·10^-1 Ω = 0.4 Ω

The current is given by Ohm's law:

  I = V/R

  I = (5 v)/(0.4 Ω) = 12.5 A

The current intensity is 12.5 amperes.

__

Additional comment

The resistivity of iron is 1.0·10⁻⁷ Ω·m, so we presume the 10-72.m in the problem statement is an error in picture-to-text translation.

The total mass of blood in the average human is approximately 5.3 kilograms.

To find the total mass of blood in the average human, we need to multiply the volume of blood by its density.

Given that the average human body contains approximately 5 liters of blood and the density of blood is 1060 kg/m^3, we can proceed as follows:

1. Convert 5 liters to cubic meters:
1 liter = 1/1000 cubic meters
So, 5 liters = 5/1000 = 0.005 cubic meters

2. Multiply the volume of blood by its density:
Mass = Volume × Density
Mass = 0.005 cubic meters × 1060 kg/m^3

3. Calculate the total mass of blood:
Mass = 5.3 kg

Therefore, the total mass of blood in the average human is approximately 5.3 kilograms.

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The frequency of CpG (cytosine-phosphate-guanine) dinucleotides would need to be higher than expected by chance in a given DNA region in order for it to be designated as a CpG island.

Typically, a region is considered a CpG island if it is at least 200 base pairs long and has a GC content greater than 50% and an observed to expected CpG ratio of 0.6 or greater. This means that the frequency of CpG dinucleotides is higher than would be expected by chance based on the overall frequency of Cs and Gs in the genome.

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The weight experienced by an object in a planet is the product of the acceleration due to gravity of that planet and mass of the object. The cat with a mass of 8.2 kg has the weight of 203.3 N.

Gravitational force is a type of force by which an object attracts other objects into its center of mass. The force exerted depends on the mass of the objects and distance between them.

The weight we experience on earth is due to the force of gravitation by earth. Weight of an object is the product of its mass and acceleration due to gravity of its planet.

Here,

acceleration due to gravity of Jupiter = 24.8 m/s²

mass of the cat = 8.2 kg

then, weight of the cat in Jupitar = 24.8 m/s² × 8.2 kg = 203.3 N

Therefore, the weight of the cat in Jupiter is 203.3 N.

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the weight of the cat on Jupiter would be approximately 203.36 N.

The force of attraction between any two bodies is inversely proportional to the square of the distance between them and directly proportional to the product of their masses.

The weight of an object is the force exerted on it by gravity, and is given by the formula:

weight = mass x gravity

On Earth, the acceleration due to gravity is approximately 9.8 m/s².

However, the acceleration due to gravity on Jupiter is about 24.8 m/s², which is 2.53 times greater than on Earth.

To find the weight of the cat on Jupiter,

we can use the same formula but with the acceleration due to gravity on Jupiter:

weight on Jupiter = mass x gravity on Jupiter

weight on Jupiter = 8.2 kg x 24.8 m/s²

weight on Jupiter = 203.36 N

Therefore, the weight of the cat on Jupiter would be approximately 203.36 N.

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