This is for Earth Space Science

One of the major events that contributed to Snowball Earth was the series of large volcanic eruptions that occurred 700 million years ago in what is now Canada. These eruptions caused ⎽⎽⎽(blank)⎽⎽⎽⎽⎽ particles to get trapped in the atmosphere. The particles blocked incoming solar radiation, which had a strong ⎽⎽⎽(blank)⎽⎽⎽ effect on the planet.
1. carbon dioxide; warming
2. sulfur gas; warming
3. sulfur gas; cooling
4. carbon dioxide; cooling

Accumulated Depreciation and Depreciation Expense are the two accounts that are affected when recording an adjustment for the use of equipment during the current accounting period.

Accumulated depreciation is the overall amount of a company's asset depreciation, whereas depreciation expenditure is the amount depreciated for a single period. Depreciation is an accounting item that indicates the decrease in the cost of an asset over its useful life.

Accumulated depreciation is a contra asset that lowers an asset's book value. The natural credit balance of accumulated depreciation (as opposed to assets that have a natural debit balance). However, cumulative depreciation is reflected in the balance sheet's asset column. An adjusting entry for depreciation expenditure, on the other hand, is a journal entry made at the end of a period to reflect the expense in the income statement and the decline in the balance sheet value of the fixed asset. Depreciation expenditure is normally debited, while cumulative depreciation is credited.

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A meter movement coil has a resistance of 50 ohms and a full-scale deflection is achieved by 0.001 amperes. the total applied voltage to achieve full scale deflection is 3950 Ω.

galvanometer, instrument for measuring a small electrical current or a function of the current by deflection of a moving coil. The deflection is a mechanical rotation derived from forces resulting from the current. Principle of working of a Galvanometer: It works on the principle of torque acting on a current carrying coil inside a magnetic field. The torque acting on this coil is directly proportional to the magnitude of electric current flowing in it.

Given:   R

G =50Ω              

I g =5mA=0.005A          V=20 volts

A galvanometer is converted into a voltmeter by connecting a resistor in series with resistance of galvanometer.

Let the resistor to be connected in series with R G be R.

∴    V=I

g (R G+R) Or     20=0.005(50+R)

⟹   R=4000−50

=3950Ω

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The numerical value for the magnitude of the tire's forward momentum is 96 kg m/s.

Momentum is the measurable quantity of movement in a body or object and is used in science to define the quantity of motion.

Momentum if determined from the product of mass and velocity of a body.

P = mv

where;

The numerical value for the magnitude of the tire's forward momentum is calculated as follows;

P = 12 kg x 8 m/s

P = 96 kg m/s

Thus, the numerical value for the magnitude of the tire's forward momentum is 96 kg m/s.

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The potential difference across the battery when compared to the bulb is the same amount of volts because the charge from the batteries moves through the closed circuit to the lightbulb and then back to the batteries.

The difference in potential between two points, which symbolizes the labor or energy expended in moving a unit amount of electricity from one point to the other. For every Coulomb of charge, a battery's electric potential difference, also known as voltage, is the potential energy difference across its terminals.

Sole if the battery and the bulb are the only components in the circuit will the voltage across a bulb equal the voltage across the battery in a series circuit. The voltage across a bulb is NOT the same as the battery voltage in a series circuit if there are any additional loads connected in series with the bulb.

The sum of the potential differences across each resistor equals the total potential difference throughout the battery. The potential difference will be greater for a resistor with a higher resistance.

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Answer:

Electricity and Magnetism

Answer:

20

Explanation:

this this is because the temperature setting please the brains concentrate section increases

The total distance travelled by the car is 174 m

Average speed is the total distance travelled by an object per total time taken. It is measured in m/s

Given that a car initially traveled at 20 m/s accelerate at 3 m per second squared for a period of 6 seconds. The total distance travelled can be calculated by the use of below formula.

S = ut + 1/2 at²

Where

Substitute all the parameters into the formula

S = 20 × 6 + 1/2 × 3 × 6²

S = 120 + 1.5 × 36

S = 120 + 54

S = 174 m

Therefore, the total distance travelled by the car is 174 m

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The correct answer 13 N.

Force causes an object to come to rest when it accelerates and causes a body to accelerate when it is at rest. Force is therefore the result of mass times acceleration. The overall force applied on a body is known as the net force. The total of all forces exerted on an object is known as the net force. There are two different types of forces: balanced forces and imbalanced forces. The term "balanced force" refers to an object that is balanced on both of its sides. Unbalanced force is defined as the movement of an item caused by an excessive force applied to one side.

Force exerted by Kam = 5N

Force exerted by Jaylan = 8N

Thus the net force = 5N + 8N

                                = 13 N

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Answer:

Pharmaceutics

Explanation:

Pharmaceutics are medicinal chemistry , and pharmacology became established and as the foundation sciences .

/var  is the full path to the directory that contains data files that change constantly, including email, print jobs, and proxy cache files.

The full set of information required to find a file or folder, beginning with the root element and concluding with all further subdirectories, is referred to as an absolute path. Websites and operating systems both employ absolute paths to find files and folders. An absolute path may also be referred to as a full path or an absolute pathname.

A full pathname, also known as a "absolute pathname," originates at the root directory and travels via a specific order of directories to reach a specific directory or file. A full pathname's leading character is always an underscore (/), since it always begins at the file system's root (slash).

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Rubbing a balloon through dry hair gives the balloon a negative electric charge.

What exactly is static electricity, and how does it affect balloons?

Electrons are transferred from the hair or wool to the balloon by rubbing the balloon against it. The balloon gains a net negative charge due to the electrons negative charge.

Which charge results from dry hair rubbing an air balloon?

Negative electrons are transferred from the hair to the balloon by rubbing a balloon against the hair. The balloon pulls the hair with an alluring electric force as it is released.

The atoms and molecules in your hair transfer their electrons to the balloon when you rub it against your head. Due to the negative charge of electrons, the balloon acquires a negative charge, while your hair retains a positive charge.

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With the concept of Dalton's law of Partial Vapour Pressure we know that  the partial pressure of gas j is 1.05 atm and that of gas k is 0.7 atm.

Dalton's law or the law of partial vapour pressure states that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases in the mixture. The partial pressure is the pressure that each gas would exert if it alone occupied the volume of the mixture at the same temperature

Here in the question, we have a balloon that contains a mixture of two gases j and k.

The no. of moles of gas j are, Nj = 6 moles.

The no. of moles of gas k are, Nk = 4 moles.

Total no. of moles of the gas mixture are, Nt = 10 moles.

Total pressure of the gaseous mixture is, Pt = 1.75 atm.

Now, according to the Dalton's law of partial vapour pressure,

The partial vapour pressure of gas j and gas k respectively will be given by,

Pj = Xj × Pt

Pk = Xk × Pt

Where Xj and Xk are the mole fractions of gases j and k respectively which are given by,

Xj = Nj / Nt

Xk = Nk / Nt

So,

Xj = 6/10 = 0.6

Xk = 4/10 = 0.4

Now,

Pj = 0.6 × 1.75

Pj = 1.05 atm

Pk = 0.4 × 1.75

Pk = 0.7 atm

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When a ball is hit at an angle to the horizontal, the ball has two motions going for it concurrently: the first and simpler one is the constant-speed horizontal motion; the other is the vertical constant-acceleration motion. To investigate the motion of the ball, we use kinematic equations based on Newton's laws.

At 65.7K temperature is the resistance 2 ohms.

A conductor's resistance is influenced by its temperature, and a conductor's initial resistance and temperature change are directly inversely correlated. It has been noted that a conductor's resistance increases as temperature rises.

i.e., ΔR ∝ R₀ΔT

R is the temperature coefficient of resistance and T is the temperature.

⇒ R - R₀ =R₀αΔT

⇒ R = R₀(1 + αΔT)

R0 = starting resistance in this case = 1.25

0.00375°C is the temperature coefficient.

2 = 1.25[1 + 0.00375(0-[tex]T_{f}[/tex])]

2 = 1.25 + 1.25× 0.00375(0-[tex]T_{f}[/tex])

0.75 = 0.0046875(0-[tex]T_{f}[/tex])

65.7K =   [tex]T_{f}[/tex]

Therefore, at 65.7K temperature is the resistance 2 ohms.

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29.94 mL of diluent is needed to make 30 milliliters of a 1/500 dilution of urine in water.

The dilution factor (or dilution ratio) expresses how much of the original stock solution remains in the entire solution following dilution. It is frequently expressed as a ratio. The dilution factor in the question is 1/500.

To calculate the diluent, the ratio of the diluent must also equal the ratio the original solvent. Hence, if the total volume is 30 mL it must have the same ratio has the 1/500 dilution

1/500 = x/30

X = 0.06 mL

If only 0.06 mL of the 30 mL is urine, then the (30 mL - 0.06 mL) = 29.94 mL is the diluent.

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The calculated height is 4.60 m

A projectile is an object that is launched into the air and then moves only in response to the acceleration of gravity. The trajectory of the object is referred to as the projectile's path. Along the x- and y-axes, we must also locate their constituent parts. We'll suppose that all forces, save gravity, are insignificant. Examples include friction and air resistance. So, the formula for acceleration is relatively straightforward:

g=9.80 m/s.

mass= 3kg

velocity= 9.5 m/s

E=1/2* mv² (kinetic energy)

= 1/2 * 3* (9.5) ²

=135.3 J

E=mgh (Potential energy)

135.3 J = 3*9.8*h

h=4.60 m

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From all the mentioned options only blood samples aren't strict evidence while all the others help significantly towards the case and are considered to be part of evidence by the federal database.

All statements which the Court permits or requires to be made before it by witnesses, in relation to matters of fact under inquiry, such statements are called oral evidence ,all documents including electronic records produced for the inspection of the Court such documents are called documentary evidence.

Now from given options we will look into each one -

1) bullet casing

Yes bullet casing is a part of evidence as it tells which gun was used in the act.

2)Vehicle identification

Yes it is also part of evidence it directly points to the person of the crime.

3) DNA sample

Yes this to is very useful in identifying the person of crime.

4) Blood sample

No, Blood sample though provides data but doesn't point to the crime act.

While all the rest are also part of evidence as they also did it towards the crime and help in providing solid judgment in the case.

Therefore, from all the mentioned options only blood samples aren't strict evidence while all the others help significantly towards the case and are considered to be part of evidence by the federal database.

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By transition energy, the emission of less energy in the h atom is an electron moving from n = 4 to n = 2.

We need to know about transition energy to solve this problem. Electrons in a hydrogen atom can move to another level of energy. It is also called a transition. In this process, electrons will absorb or release their energy to move. The transition energy can be determined as

ΔE = E2 - E1

where ΔE is transition energy, E2 is the final state of energy and E1 is the initial state of energy.

The state energy of a hydrogen atom can be calculated by

E = -(13.6) / n² eV

E = h.c / λ

where n is the number of energy states, h is Planck constant (4.136 x 10¯¹⁵ eV/Hz), c is speed of light (3 x 10⁸ m/s) and λ is wavelength.

From the question above, we know that

ΔE1 from n =4 to n = 2

ΔE1 from n =3 to n = 2

From the equation, we know that the transition energy is depends on the level state where

ΔE ~ (1/n2² - 1/n1²)

Hence

ΔE1 / ΔE2 = (1/n2² - 1/n1²) / (1/n2² - 1/n1²)

ΔE1 / ΔE2 = (1/2² - 1/4²) / (1/2² - 1/3²)

ΔE1 / ΔE2 = (3/16) / (5/36)

ΔE1 / ΔE2 = (3/16) / (5/36)

ΔE1 / ΔE2 = 1.35

ΔE1 = 1.35 ΔE2

Hence, the emission of less energy in the h atom is an electron moving from n = 4 to n = 2.

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If you connected the two wires end-to-end what would the resistance of the total length be R₁ +R₂ as it is a series circuit

What are series circuits?

In circuit . A circuit comprises a path along which the whole current flows through each component. A shunt circuit comprises branches so that the current divides and only part of it flows through any branch

What is the resistance in series?

In a series circuit, the entire resistance across all of the components (the 'net resistance') increases as more components are added. the 2 resistors have the same current through them. The electric potential across them will be different if they have different resistances.The total resistance of a series circuit is equal to the sum of individual resistances." during a series circuit you will need to calculate the total resistance of the circuit in order to figure out the amperage. this is often done by adding up the individual values of each component in series.

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Consequently, an electron's speed at a very great distance is: 1.047 x 10 ^7 m/s

What is Electric Potential Energy?

The amount of work required to move one charge from infinity to a location close to the other charge is known as the electric potential energy of a system of two charged particles. When two charges exist in a system and are separated by an infinite distance, their electric potential energy is zero. The following mathematical formula can be used to express the electric potential energy of a system of two charged particles:

U =k⋅q1⋅q2/r

Where:

k is the coulomb's constant.

q1 is one of the charges.

q2 is the second charge.

initial speed of  electron u = 0 m/s

mass of an electron is m= 9.11×10^−31 kg

Let v be the final velocity of the electron

When the electron is quite distant from the fixed charge, we are asked to determine its final speed. The system is being held together by a conservative force (electron and fixed charge) (electric force). As a result, we can apply the principle of mechanical energy conservation by equating the system's beginning mechanical energy (represented by the electron and constant charge) to the system's ultimate mechanical energy as follows:

MEi = MEf

KEi + PEi = KEf + PEf

Putting the values we get,

v= 1.047 x 10 ^7 m/s

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To be effective, there must be must agreement aimed at preventing or reducing ozone depletion by the international government and the various international organizations.

It can be defined as the origination of the contaminant substance that poisonous or harmful to our natural environment.

The Montreal Protocol is an international agreement that was established to safeguard the earth's atmosphere by gradually banning the manufacturing and use of chemicals that damage the ozone layer (ODS).

Thus, For an agreement between the different international organizations and the international government to be effective, it must be targeted at avoiding or mitigating ozone depletion.

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By using uniform motion, with an initial speed 25.43 m/s and 2.60 seconds the ball will rise maximum height.

We need to know about the uniform motion to solve this problem. The uniform motion is an object's motion under acceleration. It should follow the rule

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration, t is time and s is displacement.

From the question above, we know that

h = 33m

vt = 0 m/s

g = 9.8 m/s²

The gravitational acceleration will be negative, hence

vt² = vo² - 2g . h

0² = vo² - 2. 9.8 . 33

vo² = 646.8

vo = √646.8

vo = 25.43 m/s

Use the first equation to get the time taken

vt = vo - g . t

0 = 25.43 - 9.8t

9.8t = 25.43

t = 2.60 second

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Assume upward is the positive direction. Julia tosses a water balloon straight up at time t = 0.The option D of the following graphs best shows the velocity of the ball after it is thrown.

Velocity is a term defines that a particles covered distance upward positively and downward negatively in a constant time. It is a vector quantity.

According to the question, assuming upward is the positive direction. Julia tosses a water balloon straight up so there is a initial velocity in the balloon.

So the curve starts from the positive vertical axis of v-t curve.

we are using the formula; v=u+at

Now we know from discussion, there is a positive initial velocity. But There is a acting of acceleration due to gravity. That acceleration acting the on ball from the beginning. So after some time the velocity of the ball become zero and then it start to moving downwards.

Then the formula becomes,

v=u+(-a)t

Or, v=u-at

So, from the above discussion we can say that the nature of graph (d) is similar to our discussion. The option D of the following graphs best shows the velocity of the ball after it is thrown.

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Answer:

Stars move in a direction opposite that of earth because they remain relatively fixed compared to the motion of the earth,

The moon moves in a direction similar to earth because the moon is moving in the same direction as the earth, but in a faster rotation.

The above motions are constant.

Venus is only visible at a relatively small elevation above the horizon at sunrise or sunset because Venus is closer to the sun than the earth - one can never see Venus overhead because Earth would completely block light from the sun from reaching Venus.

The force required to stop a 1000 kg Ferrari in 50 m that is traveling at 30 m/s is 17.96 KN

v = d / t

a = v / t

F = m a

v = Velocity

d = Distance

t = Time

a = Acceleration

F = Force

m = 1000 kg

s = 50 m

v = 30 m / s

t = 50 / 30

t = 1.67 s

a = 30 / 1.67

a = 17.96 m / s²

F = 1000 * 17.96

F = 17.96 KN

According to Newton's second law of motion, Force required to move an object is directly proportional to the acceleration of the object.

Therefore, the force required to stop a 1000 kg Ferrari is 17.96 KN

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Answer:

D. Objects in which the number of negative charges equal to the positive.

Explanation:

Neutrons have no charges.

I am 100% sure.

The motion of projectiles shows that acceleration is constant in both directions; option B.

Projectile motion refers to the motion of projectiles in a curved path or parabola under the influence of gravity.

Projectiles are objects which are launched into the air and allowed to fall freely under the effect of the gravitational force of the earth.

For a horizontally-launched projectile with acceleration in the x-axis or x-direction equal to zero and acceleration u=in the y-axis equal to -9.8 m/s², the object is moving with a constant acceleration in both directions.

In conclusion, the motion of objects which are being launched into the air and allowed to fall freely under the effect of the gravitational force of the earth is known as projectile motion. Projectiles move with constant acceleration in both the x and y directions.

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The calculated refractive index is 1.38≤n≤1.67.

Thus, through the refractive index n, the wavelength inside the medium and the wavelength in free space are connected.

n=λ/λ₀

The wavelength of red light in free space ranges from 620 nm to 750 nm. To human eyes, each of those wavelengths appears red. Refractive index is given by

n1 =620 nm/450 nm

=1.38

and n2=750 nm/450 nm

=1.67 in the equation above.

According to the details you provided, the refractive index might be any value between 1.38 and 1.67.

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The kinematic formula will be used to find V₀ if one is given Δx, v, and Δt is Δx = (v + v₀/2)* Δt; option A

Kinematics equations refer to the equation of motion of objects.

The equations of motion are used to describe, the velocity, distance, acceleration, and time is taken for the motion of an object.

The kinematics equations are given below:

Given that the values of Δx, v, and Δt are given and we are to find v, the kinematics equation to be used is Δx = (v + v₀/2)* Δt.

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