Which factors affect the flow of electric charge? Check all that apply.

-Voltage
-Ampere
-Ohm
-Resistance
-Volt

Answer:

34.45m

Explanation:

Magnitude of a vector is equal to the square root of sum of squares of x & y vectors.

Magnitude = \(\sqrt({x^2} + {y^2})\)

= \(\sqrt({19.5^2} + {28.4^2})\)

=34.45m

Answer:

The bottom line

That's because our internal clocks tend to use up the most calories from 4 p.m. to 6 p.m. and the least from 4 a.m. to 6 a.m., researchers concluded. If we're up late and eating when our bodies are using up fewer calories, those calories get stored instead, which can result in weight 

Explanation:

Mark as Brainliest Please, hope that helps

Answer:

B ) He was the first to systematically study force and motion.

Explanation:

I seen this one before and know the answer since there's 4 options

By knowing how intensity relates to distance, we will see that at 4 meters of the engine the intensity is 80.

The sound spreads in a solid angle like all waves, so the intensity of the sound will decrease with the distance squared, this means that:

\(I = \frac{P}{4*pi*r^2}\)

Where P is the sound power, we know that when the student is at 8m from the engine, the intensity measured is 20 (it does not tell the units) so we have:

\(20 = \frac{P}{4*3.14*(8m)^2} \\\\P = 20*4*3.14*(8m)^2 = 16,078.8 m^2\)

Now, if you move 4 meters closer to the engine, your new position will be:

r = 4m

Then we have:

\(I = \frac{16,078.8 m^2}{4*3.14*(4m)^2} = 80\)

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Answer:

80 is the answer! 100% CORRECT!

Explanation:

~Hope this helps! :)

Answer:

b

Explanation:

it is the only one that has to do with animals

Answer:

The answer is B

Explanation:

The charge qred on the red sphere is given by (2q * d2^2) / d1^2, expressed in terms of q, d1, d2, and θ.

To calculate the charge qred on the red sphere, we can use the concept of electric forces and Coulomb's law. The electric force between two charges is given by F = k * (|q1| * |q2|) / r^2, where k is the electrostatic constant, q1 and q2 are the charges, and r is the distance between them.
In this scenario, the yellow sphere has a charge of 2q. Let's assume the distance between the yellow and red spheres is d1. The force between the yellow and red spheres can be expressed as F1 = k * (|2q| * |qred|) / d1^2.
Now, suppose the distance between the red sphere and the source of electric field is d2. The force between the red sphere and the source of electric field can be expressed as F2 = k * (|qred| * |qred|) / d2^2.
Since the forces F1 and F2 are equal (since they act on the same object), we can set them equal to each other:
k * (|2q| * |qred|) / d1^2 = k * (|qred| * |qred|) / d2^2
Simplifying and rearranging the equation, we have:
(2q * qred) / d1^2 = qred^2 / d2^2
Cross-multiplying and solving for qred, we get:
2q * d2^2 = qred * d1^2
qred = (2q * d2^2) / d1^2

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Answer:

A) the one with the lower boiling point.

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The rope is approximately 6.37 meters above the surface of the Earth.

The circumference of the Earth is 40 million meters (4 x 10⁷ m). By adding 10 meters (10 m) of extra rope evenly distributed around the Earth, the total length becomes 40,000,010 meters (4 x 10⁷ m + 10 m).

When this longer rope is raised up evenly by 40 million minions, the additional length is evenly distributed along the entire circumference.

To find the height of the rope above the surface, we divide the additional length (10 m) by the circumference of the Earth (40 million meters) and multiply by the radius of the Earth (which is half the circumference). Mathematically, the calculation is as follows:

Height = (Additional length / Circumference) x Radius

Height = (10 m / 4 x 10⁷ m) x (40 million meters / 2π)

Simplifying the equation, we get:

Height ≈ 6.37 meters

Therefore, the rope is approximately 6.37 meters above the surface of the Earth.

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By adding 10 meters to a rope wrapped tightly around the Earth's circumference of 40 million meters, and distributing it evenly, the rope would be elevated about 6.37 meters above the Earth's surface.

The circumference of the Earth is 40 million meters (4 x 10⁷ m). By adding 10 meters (10 m) of extra rope evenly distributed around the Earth, the total length becomes 40,000,010 meters (4 x 10⁷ m + 10 m).

When this longer rope is raised up evenly by 40 million minions, the additional length is evenly distributed along the entire circumference.

To find the height of the rope above the surface, we divide the additional length (10 m) by the circumference of the Earth (40 million meters) and multiply by the radius of the Earth (which is half the circumference). Mathematically, the calculation is as follows:

Height = (Additional length / Circumference) x Radius

Height = (10 m / 4 x 10⁷ m) x (40 million meters / 2π)

Simplifying the equation, we get:

Height ≈ 6.37 meters

Therefore, the rope is approximately 6.37 meters above the surface of the Earth.

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Answer:

Family

1. Definition of a family

A family is a group of people living together in a home related by blood, marriage or adoption.

2. Two function of the family are;

3. Two types of family are;

4. Two roles and responsibilities of the parents and children in the home are;

Accident in the Home

1. Definition of accident in the home

accidents in the home are common to persons of all ages, therefore home accidents occurs in one's home that may cause an result an injury of a person

2. Two types of accident in the home

3. The two uses of cereals in cooking

Cereals in cooking are used as thickened agents.

4. complete table

1. minor cuts and wounds

2. Poisoning

Care labels

1. definition of care label

care labels can be defined as a permanent label or we can say a tag, which contains regular instructions that is attached at the back of a cloth.

3. two classification of carbohydrates

\(\pink{\bigstar}\) The acceleration of the wheelchair is \(\large\leadsto\boxed{\tt\purple{0.5625 \: m/s^2}}\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

We know,

• Third Equation of Motion:-

\(\pink{\bigstar}\) \(\large\underline{\boxed{\bf\green{v^2 - u^2 = 2as}}}\)

where,

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

• Substituting the values in the Formula:-

➪ \(\sf (1.5)^2 - (0)^2 = 2 \times a \times 2\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

➪ \(\sf 2.25 - 0 = 4 \times a\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

➪ \(\sf 2.25 = 4 \times a\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

➪ \(\sf a = \dfrac{2.25}{4}\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

★ \(\large{\bold\red{a = 0.5625 \: m/s^2}}\)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Therefore, the acceleration of the wheelchair is 0.5625 m/s².

Answer:

O c.the force of the fish tail on the water..........

Answer:

(1)lower frequency

(2)lower amplitude

(3)higher frequency

(4)higher amplitude

Mr. lyall wanter to hear a music (lower frequency and lower amplitude) but, the student was playing a noise (higher frequency and higher amplitude)

Explanation:

brainliest plz

Answer:

Q = 73325 J or 73.325 KJ

Explanation:

According to specific heat capacity, 73,325 J of energy must be absorbed by water with a mass of 0.5 kg in order to raise the temperature from 30°C to 65°C.

Specific heat capacity is defined as the amount of energy required to raise the temperature of one gram of substance by one degree Celsius. It has units of calories or joules per gram per degree Celsius.

It varies with temperature and is different for each state of matter. Water in the liquid form has the highest specific heat capacity among all common substances .Specific heat capacity of a substance is infinite as it undergoes phase transition ,it is highest for gases and can rise if the gas is allowed to expand.

It is given by the formula ,

Q=mcΔT

In the given example, substitution in above formula gives,Q=0.5×4190×35=73,325 J.

Thus, 73,325 joules of energy must be absorbed by water with a mass of 0.5 kg .

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The ball will decelerate as it moves upwards.

The magnitude of the ball's acceleration is 0.3 m/s² and it directed backwards.

The given parameters;

As the ball rolls up the inclined plane, the velocity decreases and eventually becomes zero when the ball reaches the highest point of the plane.

Thus, the ball decelerate as it moves upwards.

The acceleration of the ball is calculate as;

\(a = \frac{v_f -v_0}{t} \\\\\)

at the highest point on the incline plane, the final velocity \(v_f\) is zero

\(a = \frac{0-1.25}{4.22} \\\\a = -0.3 \ m/s^2\)

Thus, the magnitude of the ball's acceleration is 0.3 m/s² and it directed backwards.

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According to the given information temperature and velocity  of the following is a vector quantity

A vector quantity is one that just has magnitude, whereas a vector quantity has both orientation and magnitude. Given that it is direction-independent at a given position, heat is a scalar number.

Vectors include gravity and displacement. They possess both a value and a direction. The fact that gravity and displacement are pointing in the same direction in this instance allows us to derive a scalar energy from them (in this example, their direction are down and down, respectively).

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It seems like the phrase you provided is incomplete or ambiguous. However, based on the partial phrase you provided, "One who is capable of identifying existing and predictable," it could refer to a person who has the ability to recognize and understand things that currently exist and can be predicted in the future.

This could describe someone who has a strong analytical or observational skills and can perceive patterns, trends, or regularities in various aspects of life, such as in scientific phenomena, financial markets, human behavior, or other areas where predictability and existing patterns are sought.

If you have a specific context or a more detailed question, please provide additional information, and I'll be glad to provide a more specific response.

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The gravitational force does not have a direct effect on horizontal wind motions.

The pressure gradient force, frictional force, and Coriolis force are the three primary forces that influence horizontal wind motions.

The pressure gradient force arises due to differences in air pressure between two locations. It causes air to move from areas of higher pressure to areas of lower pressure, resulting in the development of wind.

The frictional force is exerted by the Earth's surface and acts to slow down the wind near the surface. It influences the wind speed and direction close to the ground.

The Coriolis force, on the other hand, is a result of the Earth's rotation and the tendency of objects to move in curved paths in a rotating reference frame. It acts perpendicular to the wind direction and influences the wind's path, causing deflection to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

While gravity plays a crucial role in maintaining the Earth's atmosphere and other vertical processes, it does not directly impact horizontal wind motions.

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Therefore, based on the estimated duration of a galactic year, Earth has been around for approximately 18.4 to 20.4 galactic ye

A "galactic year" refers to the time it takes for our solar system to complete one orbit around the Milky Way galaxy. The exact duration of a galactic year is not precisely determined due to various factors, such as the varying speeds of stars within the galaxy. However, it is estimated to be roughly 225-250 million years.

To calculate the number of galactic years Earth has been around based on the age of the solar system (4.6 billion years), we can divide the age of the solar system by the estimated duration of a galactic year:

Number of Galactic Years = Age of the Solar System ÷ Duration of a Galactic Year

Number of Galactic Years = 4.6 billion years ÷ 225-250 million years

Number of Galactic Years ≈ 18.4 to 20.4 galactic years

Therefore, based on the estimated duration of a galactic year, Earth has been around for approximately 18.4 to 20.4 galactic years.

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Psychology is important in crimes as it helps in understanding the behavior and thinking of criminals which help in reducing crime in the society.

Forensic psychology is the development and application of the scientific knowledge and the methods which help to answer the legal questions which generally arising in the criminal, civil, contractual, or other judicial proceedings.

One of the many disciplines which has been made and continues to make contributions to the criminology and the criminal justice is all about psychology. Psychology focuses on the behavior of the individual offenders and the forces which motivate individuals to engage in the criminal or violent behavior of people.

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Answer:

Yes it is a physical change

Explanation:

The cookie is still a cookie even when it has been broken apart, so it cannot be a chemical change. The cookie only changed physically.

The dog that leans to associate the bell with salivation and food is a case of classical conditioning.

The idea of classical conditioning is that the individual is able to link up the unconditioned stimulus to the conditioned stimulus. This implies that the organism has been taught to link up a particular stimulus with another.

Let us at this point recall the famous experience in the experiment of Pavlov. In this case, we know that a dog would always salivate if the dog smells the approach of food coming towards it.

Imagine that we now have to ring a bell when we are bringing the food to the dog. So much so that the dog has been able to link up the bell with the fact that the food is approaching.

It comes to a point that the dog would now salivate just at the sound of the bell even when the food is not in sight.

Hence, in this case, the  unconditioned stimulus is the salivation while the conditioned stimulus is the bell that causes the salivation.

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To achieve a seasonal variation in insolation at the equator equal to the variation from eccentricity, the planet's obliquity would need to be 0.2.

To calculate the planet's obliquity (θ) that would cause a seasonal variation of the Sun's insolation at the equator equal to the variation from the planet's eccentricity (ǫ), we need to consider the relationship between the two factors.

The variation in insolation due to eccentricity is determined by the distance between the planet and the Sun at different points along its elliptical orbit. This variation is independent of the planet's obliquity.

On the other hand, the seasonal variation of insolation at the equator is primarily influenced by the tilt of the planet's spin axis, which is measured by the obliquity (θ). The obliquity determines the angle at which sunlight strikes the equator at different times of the year, resulting in seasonal changes in insolation.

Since the question states that the seasonal variation in insolation at the equator should be equal to the variation from eccentricity, we can infer that the obliquity needs to be equal to the eccentricity (θ = ǫ).

Therefore, if a planet's orbit has an eccentricity of ǫ = 0.2, the planet's obliquity (θ) would also need to be 0.2 to cause a seasonal variation of the Sun's insolation at the equator equal to the variation from eccentricity.

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Answer:

it's possible to calculate an object's velocity at any moment along its path. This is called instantaneous velocity and it is defined by the equation v = (ds)/(dt),in other words, the derivative of the object's average velocity equation.

a) Mutual inductance = 0.108 H; Coupling coefficient = 0.482. b) - 4.95 V.


a) Mutual inductance, M between coil A and coil B can be given as:

M = k√(L_AL_B) here, k is the coupling coefficient, L_A and L_B are the inductances of the coil A and coil B respectively. Since 54% of flux produced by coil A links coil B,

So, K = 0.54

L_A = N_A Φ/I_AL_A

= 8120 × 0.02/6

= 27.07 mH

L_B = N_B Φ/I_BL_B

= 11842 × 0.078/6

= 154.63 mH

M = k√(LALB) = 0.482 × √(27.07 × 0.15463) = 0.108 H

b) The emf induced in coil B can be given as:-

ε = M (dI_B/dt)/L_B

ε = 0.108 × (-6/0.015) / 0.15463 = -4.95 V

Thus, the emf induced in coil B when the current is reversed in 0.015 seconds is -4.95 V.

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Conservation of momentum in the x-direction:

\(m_A * v_A + m_B * 0 = m_A * V_A_1 * cos(\theta_A) + m_B * V_B_1 * cos(\theta_B)\) and ) Conservation of momentum in the y-direction:

\(0 + 0 = m_A * V_A_1 * sin(\theta_A) + m_B *V_B_1 * sin(\theta_B)\)

A) Conservation of momentum in the x-direction:

\(m_A * v_A + m_B * 0 = m_A * V_A_1 * cos(\theta_A) + m_B * V_B_1 * cos(\theta_B)\)

B) Conservation of momentum in the y-direction:

\(0 + 0 = m_A * V_A_1 * sin(\theta_A) + m_B *V_B_1 * sin(\theta_B)\)

In these equations:

\(m_A\) and \(m_B\)are the masses of balls A and B, respectively.

\(v_A\) and\(v_B\) are the initial velocities of balls A and B, respectively.

\(v_A_1\) and \(v_B_1\)  are the final velocities of balls A and B, respectively.

\(\theta_A\) and \(\theta_B\) are the angles of deflection for balls A and B, respectively.

Please note that these equations assume an elastic collision where both momentum and kinetic energy are conserved.

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Explanation:

Noise is sound with a continuous structure. Music is composed of sounds with a fundamental frequency and overtones. Noise is composed of sounds with frequencies that range continuously in value from as low as you can hear to as high as you can hear — not necessarily at equal intensity, however.