55 j of heat energy are transferred to an ideal gas and the gas does 40 j of work. what is the change in thermal energy, in joules?

Answer:

The cat went up

Explanation:

Answer:

Amorphous solids are composed of atoms or molecules that are in no particular order. Each particle is in a particular spot, but the particles are in no organized pattern. Examples include rubber and wax. Crystalline solids have a very orderly, three-dimensional arrangement of atoms or molecules

Explanation:

Because of centripetal (spinning) forces, the Earth maintains its rotation and orbit.

The theory behind centripetal force underscores its immense significance when it comes to moving objects along curved paths. Essentially, this powerful energy source acts continuously at right angles to maintain an inward pull towards the center point of any given circle - be it planetary orbits or playful rides such as merry-go-rounds.

Centripetal force serves an essential purpose that helps ensure automobiles remain on track while navigating sharp turns without losing control - truly remarkable!

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The magnitude of the boat’s acceleration while it travels 12.0 m is b. 2.5 \(ms^{-2}\)

u= 9.5 \(ms^{-1}\)

v= 5.5 \(ms^{-1}\)

s= 12 m

From the given data we can use,

\(v^{2} -u^{2} =2as\)

to calculate acceleration.

\(v^{2} -u^{2} =2as\),

Where,

v is the final velocity,

u is the initial velocity,

a is the acceleration and

s is the distance covered.

Substituting the values we have,

\(v^{2} -u^{2}\)= 2×a×s

\((5.5)^{2}\) - \((9.5)^{2}\)= 2 ×a×12

a= \(\frac{(5.5)^{2} -(9.5)^{2}}{(2)(12)}\)

a= \(\frac{(30.25)^{2} -(90.25)^{2}}{(24)}\)

a=\(\frac{-60}{2000}\)

a=-2.5 \(ms^{-1}\)

(The negative sign says that it is a negative acceleration  )

Therefore the magnitude of the boat's acceleration is -2.5 \(ms^{-1}\)

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Answer: No, they cannot

Explanation:

Because every individual has different emotions, different beliefs.

Answer:

it increases

Explanation:

The final speed of the cart increases in relation to the pattern in the position data.

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Answer:

C

Explanation:

The distance that the pig moves up will be less than the distance that the strongman pulls down.

Explanation: The strongman is further from the fulcrum than the pig is, so the distance that he pulls down will be greater than the distance that the pig moves up.

The distance that the pig moves up will be less than the distance that the strongman pulls down. Hence, option (C) is correct.

The given problem is based on the work done by the applied force. When some magnitude of force is applied on any object, then there will be some obvious displacement of object. This is known as work done by the object. The expression for the work done by the object is,

w = Fd

here, F is the applied force and d is the displacement.

In the given problem, the applied force will be due to the weight of man and pig. So, the modified form of work done is,

work = Wd

W = work/d

here, W is the weight.

Clearly, more the weight, less will be the displacement and vice versa. So due to heavy weight of man, he will pull the pig easily. Such that the upward distance covered by pig will be less than the distance that the strongman pulls down.

Thus, we can conclude that the distance that the pig moves up will be less than the distance that the strongman pulls down. Hence, option (C) is correct.

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Answer:

8.14n in mars

Explanation:

gravitational

Answer:

3.09594

Explanation:

hope this helps

Remove the patch with gloved hands before applying the AED pads to the person's chest. It is important to ensure that the chest is clean and dry before applying the AED pads to maximize their effectiveness.

AED pads (automated external defibrillator pads) are adhesive pads that are placed on a person's chest to deliver an electric shock in the event of sudden cardiac arrest (SCA). AED pads are an important component of an AED, which is a portable medical device used to treat people experiencing cardiac arrest. AED pads are typically sold in pairs, with one pad placed on the upper right chest and the other on the lower left side of the chest. The pads contain sensors that analyze the person's heart rhythm and determine whether a shock is needed. If a shock is required, the AED delivers a controlled electric shock to the heart through the pads to restore a normal heart rhythm. The AED pads are designed to be easy to use and are equipped with clear visual and audio instructions to guide the user through the process of applying them to the person's chest. The pads are also designed to be compatible with different types of AEDs, making it easy to replace or upgrade them if needed.

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Since the electric field is proportional to the size of the electric charge, which is always positive, it can never be negative. It is directly related to the size of a charge.

Additionally, as the charge is moved further away, the electric field's strength weakens. Electric field is the Force that a charge experiences divided by the amount of the charge. Thus, we consider the mod of charge as the magnitude. Thus, even in cases when the charge is negative, it turns positive due to the mod. Thus, Electric Field similarly changes to a positive state. Consequently, the electric field is always positive. The experiment is related to the orientation of the electric field line from the positive end to the negative.

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To further stretch the spring from l m to L m, the work done is given by W = 0.5k (L² - l²), where k is the spring constant and l and L are the initial and final lengths respectively.

Given, it requires a force of 18 N to hold a spring stretched l m beyond its natural length.Since the work done is equal to the change in potential energy, therefore, the work required to further stretch the spring from l m to L m is given by:

W = Uf - Ui

= 0.5 k L² - 0.5 k l²

Now, we have k = F / x where F is the force required to stretch the spring by a distance x.So,

k = 18 / l

Also, the force required to stretch the spring to length L is given by:

F' = k (L - l) = 18 (L - l) / l

Therefore, the work done is given by:

W = 0.5 k (L² - l²) = 0.5 x 18 / l x (L² - l²) = 9 (L² - l²) / l

Hence, the work done to further stretch the spring from l m to L m is 9 (L² - l²) / l J.

Therefore, the work required to stretch the spring from l m to L m is given by the equation: W = 9 (L² - l²) / l.

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The length of the sides of the cube that has twice the mass of gold would be approximately 1.26 cm.

The density of gold is 19.3 g/cm³. Therefore, the volume of the gold cube is:

Volume = mass/density = 19.3 g / 19.3 g/cm³ = 1 cm³

Since the cube is 1 cm long on each side, the volume is equal to the length cubed:

1 cm³ = (1 cm)³

To find the length of a cube that has twice the mass of gold, we can use the relationship between mass, density, and volume:

mass = density x volume

If the mass is doubled, then we have:

2 x mass = density x volume

We know the density of gold, and we know that the volume of the new cube must be twice the volume of the original cube.

2 x mass = density x 2 x (1 cm)³

Solving for the length of the sides of the new cube,

(Length of sides)³ = 2 x (1 cm)³

Length of sides = (2 x (1 cm)³)^(1/3) = 1.26 cm (approx.)

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The induced EMF is always such that it opposes the change in magnetic flux through the coil, regardless of whether the magnetic flux is increasing or decreasing.

According to Faraday's law of electromagnetic induction, the electromotive force (EMF) induced in a coil is directly proportional to the rate of change of magnetic flux through the coil. When the magnetic flux through the coil is increasing, the rate of change of magnetic flux is positive, and therefore the induced EMF is also positive. This leads to a current flow in the coil in such a direction that it opposes the change in magnetic flux, according to Lenz's law.

Conversely, when the magnetic flux through the coil is decreasing, the rate of change of magnetic flux is negative, and therefore the induced EMF is also negative. In this case, the current flow in the coil is in the opposite direction compared to when the flux was increasing, still in accordance with Lenz's law.

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Answer:

is the attraction or repulsion between charged particles

The electric force is the attraction or repulsion between charged particles. They are electrostatic force of attraction or electrostatic force of repulsion.

An electric force is generated from the attraction or repulsion between charged particles. There are two kinds of charges, positive charges and negative charges.

Negative charges are produced by electrons whereas, protons are carrying  positive charges. Two positive charges or two negative charges will repel whereas, a positive charge and a negative charge attracts together.

This force of attraction is the basic of chemical bonding. The nucleus of an atom attracts the bonded electrons and this force of attraction results in the combination of two atoms forming compounds.

Thus, the blank space indicates the electric force.

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Two negatively charged objects are 2 meters apart. the student adds electrons through conduction to one of the objects, then the force of repulsion between the two objects will decrease.

The reason for this is that the negatively charged electrons on the first object will repel the negatively charged electrons on the second object, creating a force of repulsion between them. Adding electrons to one of the objects will increase the number of electrons on that object, resulting in a stronger negative charge. This increase in the negative charge on one object will make it more difficult for the electrons on the other object to push against it, reducing the force of repulsion between the two objects. It's important to note that the amount of decrease in the force of repulsion will depend on the amount of electrons added and the initial charge of the objects. Also, If the distance between the two objects does not change and the charges on the objects are not affected by other factors, the electrostatic force of repulsion between the objects will be inversely proportional to the square of the distance between them.

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Question - Two negatively charged objects are 2 meters apart. The student adds electrons through conduction to one of the objects. What is the force of repulsion between the two objects?

The Michaelis constant for enzyme fumarase is  4.5×10⁻⁵M

The enzyme fumarase catalyzes the reversible hydration/dehydration of fumarate to malate. There are two types of fumarase: mitochondrial and cytosolic.

What is Michaelis constant?

KM or Michaelis constant is the concentration of substrate required to achieve a velocity that is exactly half of the maximum velocity of the enzyme Vmax. The Michaelis constant also shows the substrate's affinity for the active site. The stronger the attraction between the substrate and the active site, the greater the Michaelis constant.

Given,

Kinetic constant:

k₁ = 109 M⁻¹s⁻¹

k₋₁= 4.4 x 10⁴ s⁻¹

k₂ = 103 s⁻¹

To calculate Michaelis constant KM of fumarase,

The Michaelis constant, KM

= K₋₁ + K₂ / K₁

= (4.4×10⁴) + 10³ s⁻¹ / 10⁹ M⁻¹s⁻¹

= 4.5×10⁻⁵M

Therefore, the KM value for this enzyme is 4.5×10⁻⁵M.

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Answer:

i) The extension of the cable can be calculated using the formula:

ΔL/L = F/(A*Y)

where ΔL is the extension in length, L is the original length, F is the tension force, A is the cross-sectional area of the cable, and Y is the Young's modulus of steel.

First, we need to calculate the cross-sectional area of the cable:

A = πr^2 = π(0.02m)^2 = 0.00126 m^2

Now we can calculate the extension:

ΔL/L = 400N/(0.00126m^2 * 2.0×10^11 N/m^2) = 1.5873×10^-6

ΔL = (1.5873×10^-6)(7m) = 1.11×10^-5 m

So the cable has to be extended by 1.11×10^-5 m under this tension.

ii) The work done in producing this extension can be calculated using the formula:

W = (1/2)FΔL

where W is the work done, F is the tension force, and ΔL is the extension in length.

Substituting the given values:

W = (1/2)(400N)(1.11×10^-5 m) = 2.22×10^-3 J

Therefore, the work done in producing this extension is 2.22×10^-3 J.

Explanation:

Answer:

745.4K ~ 472.3 C

Explanation:

This is an Ideal Gas Law problem where we have to manipulate the equation a bit. Let's start with the basic:

PV = nRT will be used for both the initial and final, so we will rearrange this problem to state:

(V(initial))/(T(Initial)) = nR/P

Since we know that the pressure, number of moles of He, and ideal gas constant (R) remain the same from start to finish so we can write the problem as such:

(V(initial))/(T(Initial)) = nR/P = (V(final))/(T(final))

                             or

(V(initial))/(T(Initial)) = (V(final))/(T(final))

Now lets define some of these values:

T(initial) = 25degree (assuming degrees Celsius) ~ 298.15K

V(initial) = 2.0L

V(final) = 5.0L

T(final) = ?

Since we are solving for T(final) let's rearrange the problem once more to be solving for T(final):

T(final) = (V(final)T(Initial))/V(initial)

Now plug in your values:

T(final) = (5.0L*298.15K)/(2.0L) ~ 745.4K ~ 472.3degrees Celsius

Answer:

The answer is D because when the faults move that is the tectonic plates moving. So earth quakes will be forming when the fault moves.

Explanation:

The water budget equation for the Creek drainage basin is: Precipitation = Stream discharge + Evapotranspiration ± Change in storage.

To develop the water budget equation for this problem, we need to account for the inputs and outputs of water in the Creek drainage basin. The water budget equation can be expressed as,

P = Q + ET ± ΔS

P = Precipitation input (mm)

Q = Stream discharge (m³/s)

ET = Evapotranspiration (mm)

ΔS = Change in storage (mm)

First, let's convert the units of the given values,

Precipitation input (P) = 550 mm

Stream discharge (Q) = 1.8 m³/s

Now, let's determine the evapotranspiration (ET) and change in storage (ΔS) terms. However, the problem doesn't provide information about ET, so we cannot calculate it accurately. The problem doesn't provide information about ΔS, so we cannot calculate it accurately.

Given these limitations, we can write the simplified water budget equation for this problem,

550 mm = 1.8 m³/s + ET ± ΔS

Please note that without information about evapotranspiration and changes in storage, we cannot fully determine the water budget for the Creek drainage basin.

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Answer:

B

Explanation:

cannot be effectively tested

The effectiveness of biofeedback has been a subject of controversy because biofeedback cannot be effectively tested.

What is biofeedback therapy?

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Answer:

1. The wave created is a transversal wave because the medium goes up and down. (I used what someone put in the comments because it's correct.)

2. 20 Meters

3. 60 Hz (Hertz)

4. 1200m/s

Explanation:

Not sure if all of this is correct, but I did this assignment so..

Please mark me brainliest. I answered all questions.

Answer:

Gravitone

Explanation:

In theories of quantum gravity, the graviton is the hypothetical quantum of gravity, an elementary particle that mediates the force of gravity. There is no complete quantum field theory of gravitons due to an outstanding mathematical problem with renormalization in general relativity.

Yes, the energy removed in a power plant condenser can be useful. The condenser of a power plant is designed to condense the steam that has expanded through the turbine. This process causes the steam to cool, thereby transferring its thermal energy to the cooling medium, which is usually water.

This energy transfer results in the creation of usable energy in the form of heated water, which can be utilized in other industrial processes or even for heating buildings. The energy removed in a power plant condenser can be useful in a number of ways. For example, the heated water can be used for industrial processes such as heating, sterilization, and cleaning. Additionally, it can be used to heat buildings or as a source of hot water. In some cases, the heated water can even be used to generate additional electricity through the use of a steam turbine. In this way, the energy that would have otherwise been lost can be put to good use, resulting in increased energy efficiency and reduced operating costs for power plants. In conclusion, the energy removed in a power plant condenser can be useful and it is important to find ways to utilize this energy to increase energy efficiency and reduce operating costs.

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Answer:

Below

Explanation:

d = 1/2 a t^2

.80 = 1/2 ( 5.8 x 10^?) t^2  

  ( I think you left off the exponent...and acceleration has units m/s^2  ...not m/s)

t =  .166 s

v = at = 58 x .166= 9.63 m/s

The dark absorption lines on the continous spectrum represents absoprtion of some of the light before the observation of the spectrum.

The continous spectrum of helium represents the star is made up of helium.

The dark absorption lines superimposed on the sontinous spectrum represents the light from the star has passed through a cloud of helium in which helium atoms absorbs the emitted helium light from the star.

Hence, option D is a correct answer.

Answer:

The anwser is C, Garreth and Elisa ran together, Luigi and Jasmine went the same distance, and Logan and Jasmine have the same displacement in the opposite direction.

Explanation:

i just took the test and got 100%

Answer:

C or Garreth and Elisa ran together, Luigi and Jasmine went the same distance, and Logan and Jasmine have the same displacement in the opposite direction.

Explanation: