Which of the following statements is not true about genes?
A. Genes consist of hormones that regulate bodily functions.
B. Genes are DNA segments that are carried in each chromosome.
C. Genes serve as the biochemical units of heredity.
D. Genes operate in pairs and influence one's physical traits.

When the battery is connected, the electric field magnitude is greater by a factor of 4.

The electric field magnitude (also known as electric field strength) is a measure of the strength of an electric field at a particular point. It is defined as the force per unit charge experienced by a small test charge placed at that point in the field.

When the battery is connected, the electric field magnitude is greater by a factor of 4. This is because when the plates are closer together.

The electric field intensity is quadrupled due to the inverse-square law:

Econnected/Edisconnected = (1/d)²/((1/2d)²)

Econnected/Edisconnected = 4.

Therefore, when the battery is connected, the electric field magnitude is greater by a factor of 4.

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The starting angle θθ of a pendulum does not affect its period for θ<<1θ<<1. At higher angles, however, the period TT increases with increasing θθ.

The relation between TT and θθ can be derived by solving the equation of motion of the simple pendulum (from F=ma)

−gsinθ=lθ¨−gain⁡θ=lθ¨

For small angles, θ≪1,θ≪1, and hence sinθ≈θsin⁡θ≈θ. Hence,

θ¨=−glθθ¨=−glθ

This second-order differential equation can be solved to get θ=θ0cos(ωt),ω=gl−−√θ=θ0cos⁡(ωt),ω=gl. The period is thus T=2πω=2πlg−−√T=2πω=2πlg, which is independent of the starting angle θ0θ0.

For large angles, however, the above derivation is invalid. Without going into the derivation, the general expression of the period is T=2πlg−−√(1+θ2016+...)T=2πlg(1+θ0216+...). At large angles, the θ2016θ0216 term starts to grow big and cause 

Answer:

4,892 light years

Explanation:

the earth is rotate the sun from sun to earth is 4892

Answer:

(a) ω = 1.57 rad/s

(b) ac = 4.92 m/s²

(c) μs = 0.5

Explanation:

(a)

The angular speed of the merry go-round can be found as follows:

ω = 2πf

where,

ω = angular speed = ?

f = frequency = 0.25 rev/s

Therefore,

ω = (2π)(0.25 rev/s)

ω = 1.57 rad/s

(b)

The centripetal acceleration can be found as:

ac = v²/R

but,

v = Rω

Therefore,

ac = (Rω)²/R

ac = Rω²

therefore,

ac = (2 m)(1.57 rad/s)²

ac = 4.92 m/s²

(c)

In order to avoid slipping the centripetal force must not exceed the frictional force between shoes and floor:

Centripetal Force = Frictional Force

m*ac = μs*R = μs*W

m*ac = μs*mg

ac = μs*g

μs = ac/g

μs = (4.92 m/s²)/(9.8 m/s²)

μs = 0.5

0.765 m/s is speed u would the train have to be traveling in order for an observer .

R=1.25

Sinθ=27

speed=sinθ/r

speed=sin27/1.25

speed=0.765 m/s

A scalar variable called speed can be used to express how much the location of an object shifts over time or how much it shifts per unit of time. It is often shortened to "s." The average speed of an object over a period of time is equal to the distance traveled by the object divided by the length of the period.

Time divided by distance is the speed-related metric. While the SI unit of speed is the meter per second (m/s), the most common unit in daily life is the kilometer per hour (kph).

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From the experiment, it is clear that the data is not consistent with the specific heat data.

Many times we could find ourselves out in the cold or in a very hot environment. Most especially when we find ourselves in the cold environment, there is the need to keep warm so that we can be able to maintain the normal body temperature.

The emergency thermal blankets is one of the materials that have been posited as able to maintain the temperature of  the body and it is made of cheap plastic or polyethylene material.

We know that the material that has the higher specific heat should loose heat more slowly but this is shown not to be the case here.

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Answer:

When one system vibrating at its natural frequency is put closer to a stationary system, the stationary system receives impulses.

At resonant frequency, the system vibrating at its own natural frequency suddenly goes on decreasing in order to cope with neighboring system.

These decrease in frequency is known as damping.

The goose weighs 21.3 pounds and travels at an average speed of 8 miles per hour (miles per hour). The goose's kinetic energy in joules is 61.86 kg m2/sec2.

Given,

Kinetic energy (K.E)=1/2mv²

where m=mass in kg,velocity =v m/sec

From data m=21.3lb

but 21.3lb =454g;  1000g=1kg

21.3lb×454g/1lb×(kg/1000g)=9.6702 kg

velocity=8.00 miles/h

1mile=1.61km; 1hour=60min =60×60 sec

8.00miles/hour ×(1 hour/60×60sec)×(1.61 km/1mile)×1000m/1km

v=3.577 m/sec

Kinetic energy (K.E)=1/2mv²

                               =1/2(9.67)(3.577 m/sec)²

                               =61.86 kg m²/sec²

∴KE=61.86 Joule

kinetic energy of the goose=61.86J

Kinetic energy is the type of energy that an object or particle possesses as a result of its motion. When work is performed on an object by applying a net force, the object accelerates and gains kinetic energy. Kinetic energy is a property of a moving object or particle that is affected by both its motion and mass. Translation (or movement along a path from one location to another), rotation about an axis, vibration, or any combination of motions are all possible.

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The student's conclusion is correct, and it is supported by both the data in Figure 12 and the formula for calculating the total resistance of resistors in parallel.

The student's conclusion is correct because when resistors are connected in parallel, the total resistance decreases as the number of resistors increases. This is because the current has multiple pathways to flow through, which reduces the overall resistance.

If we examine Figure 12, we can see that as the number of resistors in parallel increases, the mean total resistance decreases. For example, when there are two resistors in parallel, the mean total resistance is around 50 ohms, whereas when there are ten resistors in parallel, the mean total resistance is around 10 ohms.

To further support the student's conclusion, we can use the formula for calculating the total resistance of resistors in parallel:

1/RT = 1/R1 + 1/R2 + 1/R3 + ... + 1/Rn

where RT is the total resistance, R1, R2, R3, and Rn are the resistance values of each individual resistor in parallel.

From this equation, we can see that as the number of resistors in parallel (n) increases, the sum of the inverse resistance values (1/R1 + 1/R2 + 1/R3 + ... + 1/Rn) also increases. As a result, the total resistance (RT) decreases, which supports the student's conclusion that the number of resistors in parallel is inversely proportional to the mean total resistance.

Therefore, the student's conclusion is correct, and it is supported by both the data in Figure 12 and the formula for calculating the total resistance of resistors in parallel.

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The force applied by the bullet on the wood is 20 N.

The force applied by the bullet is calculated by applying the following kinematic equation and Newton's second law of motion as shown below.

F = ma

where;

The acceleration of the bullet is calculated as follows;

v² = u² - 2as

where;

when the bullet stops, the final velocity, v = 0

0 = u² - 2as

2as = u²

a = u² / 2s

a = ( 10² ) / ( 2 x 0.05 )

a = 1,000 m/s²

The force applied by the bullet on the wood is calculated as follows;

F = ma

F = ( 0.02 kg ) x ( 1000 m/s² )

F = 20 N

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The complete question is below:

A  bullet of 20 g is shot at 10m/s and is stopped by a piece of wood. The bullet goes 5cm into the piece of wood. Find the force applied by the piece of wood on the bullet

Of the mentioned individuals, Galileo Galilei was the one who made the significant discovery that Jupiter has moons. Galileo observed these moons, now known as the Galilean moons, using his telescope in the early 17th century. This discovery played a crucial role in supporting the heliocentric model of the solar system proposed by Nicolaus Copernicus, as it provided evidence of celestial bodies orbiting around a planet other than Earth. Ptolemy, Aristotle, Kepler, and Tycho Brahe also made significant contributions to astronomy and our understanding of the cosmos, but they did not specifically discover Jupiter's moons.

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At the time of the death Dr. Jose Gregorio Hernandez was found to be 55 years old.

Dr. Jose Gregorio Hernandez before 11 years of his death was 6 times as old as his cousin Juan. At the time of death, his age is equal to three times the of his cousin.

Let us say that his age is X and his cousin's age is Y at the time of his death.

So, the two linear equation at which we arrive is,

X = 3Y (at the time of death)

X-11 = 6(Y-11) (11 years before his death)

X - 11 = 6Y - 55

X + 55 = 6Y, also, 2X = 6Y, so, we get,

X = 55. Hence the age of Dr. Jose Gregorio Hernandez at the time of his death his 55 years.

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Complete question - 11 years before his death, the age of Dr. Jose Gregorio Hernandez was 6 times the age of his cousin Juan. At the time of death his age is equal to triple the age of the cousin, calculate the age of the doctor at the time of death.

Answer:

Explanation:

The weight of a person on the moon given that the mass of the person on Earth is 105 lbm is 17.3 lbf.

Force is defined as the influence that produces a change in motion of an object. The unit of force is newton (N), which is defined as the amount of force that can accelerate a mass of 1 kg at a rate of 1 meter per second squared (m/s²).

The weight of an object is the gravitational force acting on the object. It is directly proportional to the mass of the object and the acceleration due to gravity. The unit of weight is newton (N).

Formula to calculate weight:

Weight (N) = mass (kg) × acceleration due to gravity (m/s²)

Conversion from lbm to kg:1 lbm = 0.453592 kg

Acceleration due to gravity on the moon is 1.622 m/s².

Therefore, Weight (N) = mass (kg) × acceleration due to gravity (m/s²)

Weight on Earth = 105 lbm

= 47.63 kg

Weight on Moon = 47.63 × 1.622

Weight on Moon = 77.19 N

= 17.3 lbf

Therefore, the weight of a person on the moon given that the mass of the person on Earth is 105 lbm is 17.3 lbf.

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Answer:

Explanation:

C bro

Answer:

A

Explanation:

A hypothesis is discarded when the results do not work out, and it contradicts.

Answer:

A

Explanation:

The data that contradicts the hypothesis makes more sense or is correct by the conducted experiment

mN/s is the correct SI form for kN/ms.

Hence, Option B is correct.

Système Internationale, or SI, is the abbreviation for our metric system of measurements. It is a system that has been universally standardized, providing a common language between countries and among the various branches of science and technology. The International System of Units (SI), also known as the French Système International d'Unités, is a weights-and-measures system used internationally that extends the metric system of units. The metric system, also known as the International System of Units (SI), is the accepted unit of measurement on a global scale. The International Treaty of the Meter was signed on May 20, 1875, in Paris by seventeen nations, including the United States, and is now recognized as World Metrology Day worldwide.

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The density of the sphere given that it has a radius of 5 cm is 1.25 g/cm³

We'll begin by obtaining the mass of the sphere. This is shown below:

F = mg

Divide both sides by g

m = F / g

m = 6.4 / 9.8

m = 0.653 Kg

m = 0.653 × 1000

m = 653 g

Next, we shall determine the volume of the sphere. Details below:

V = 4/3πr³

V = (4/3) × 3.14 × 5³

V = 523 cm³

Finally, we shall determine the density of the sphere. This is illustrated below:

Density = mass / volume

Density of sphere = 653 / 523

Density of sphere = 1.25 g/cm³

Thus, the density of the sphere is 1.25 g/cm³

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Answer:

1961 kJ

Explanation:

Since the mass of each substance is 1 kg, the heat required to change a substance at is boiling point is its latent heat of vapourization, L. For a given mass, m, the quantity of heat Q = mL

For liquid water, m = 1 kg and L = 2256 kJ/kg.

So, quantity of heat required is thus Q₁ = 1 kg × 2256 kJ/kg = 2256 kJ

For liquid mercury, m = 1 kg and L = 295 kJ/kg.

So, quantity of heat required is thus Q₂ = 1 kg × 295 kJ/kg = 295 kJ

The amount their thermal energies differ is thus Q₁ - Q₂ = 2256 kJ - 295 kJ = 1961 kJ

The energy that a body or object has as a result of being in a gravitational field is known as gravitational potential energy. Because of the gravitational attraction, this energy is dependent on how high an object is in relation to a point of reference.

The gravitational potential energy will have the following value in the case of the Earth, when the gravitational field is thought to remain constant:

u = mgh

   Where:

m = 120 kg is the skydiver's weight.

g = 80 m/s the gravitational acceleration

h = 200m  the skydiver's height

Answer PE = 1920000 J.

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Answer:

18

Explanation:  

V = voltage

I = current  

R = resistance  

V = IR is the equation to find out the Voltage of an item so if we move around the equation so we are trying to resistance it would become R = V/I.  

V = IR  

R = V/I  

R = 9/0.5  

R = 18

Answer:

yes

Explanation:

When you put salt in water, the water molecules pull the sodium and chlorine ions apart so they are floating freely, increasing the conductivity. These ions are what carry electricity through the water with an electric current. In short, saltwater (water + sodium chloride) can help to produce electricity.

Answer:

A

Explanation:

They drove 30km north. The displacement adds up to 25km therefore making the distance greater

Hope this helps!

Photons are reflected back and forth through the lasing medium, which greatly increases the probability of stimulated emission. The correct answer is d.

Placing the lasing material between the two mirrors of an optical cavity allows the photons to bounce back and forth through the lasing medium, increasing the probability of stimulated emission and amplifying the light to produce a laser beam. This process is essential for the sustained laser action. The Pauli exclusion principle and energy quantization may be relevant to the behavior of atoms and electrons in the lasing material, but they do not directly explain the need for an optical cavity. The uncertainty principle and thin-film interference are also not directly related to the function of an optical cavity in laser operation.
To sustain laser action, it is usually necessary to place the lasing material between the two mirrors of an optical cavity because:
d. Photons are reflected back and forth through the lasing medium, which greatly increases the probability of stimulated emission.

The optical cavity allows photons to travel back and forth through the lasing medium, increasing the chances of interacting with excited atoms and causing stimulated emission. This process amplifies the light, leading to the production of a coherent laser beam.

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The current passing through your body when touching a 9.0 V battery with both hands depends on your body's resistance, and can typically range from 0.1 mA to 9 mA.

Ohm's Law states that current (I) equals voltage (V) divided by resistance (R). The human body's resistance can vary significantly, ranging from 1,000 ohms (when wet) to 100,000 ohms (when dry). Using the formula I = V/R, we can calculate the current. For example, if the resistance is 10,000 ohms (a relatively common value), the current would be:
I = 9.0 V / 10,000 ohms = 0.0009 A, or 0.9 mA (milliamps)

Thus, the current passing through your body when touching a 9.0 V battery with both hands depends on your body's resistance, and can typically range from 0.1 mA to 9 mA.

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Answer:

1. 4

2.0.625HZ

3.500

4. 428274940000000 or 4.2*10^14

5. 2

Explanation:

omnicalculator.com/physics/wavelength

Answer:  

C) Plane 1 has more kinetic energy and plane 2 has more potential energy.

Explanation:

he potential energy of an object is determined by its height above a reference level and its mass, while the kinetic energy of an object is determined by its mass and speed.

In this scenario, plane 1 has a higher speed than plane 2, but it is flying at a lower height. On the other hand, plane 2 is flying at a higher height, but it has a lower speed. Since the planes have different heights, they have different potential energies.

Therefore, the correct statement is: C) Plane 1 has more kinetic energy and plane 2 has more potential energy.

Answer:  

C) Plane 1 has more kinetic energy and plane 2 has more potential energy.

Explanation:

he potential energy of an object is determined by its height above a reference level and its mass, while the kinetic energy of an object is determined by its mass and speed.

In this scenario, plane 1 has a higher speed than plane 2, but it is flying at a lower height. On the other hand, plane 2 is flying at a higher height, but it has a lower speed. Since the planes have different heights, they have different potential energies.

Therefore, the correct statement is: C) Plane 1 has more kinetic energy and plane 2 has more potential energy

3. The acceleration of the bicycle is 0.36 m/s²

4. The distance traveled by the person is 2.25 m

5. The initial speed of the car is 7 m/s

The acceleration of the bicycle can be obtained as follow:

v² = u² + 2as

Inputting the given parameters, we have:

6² = 0² + (2 × a × 50)

36 = 0 + 100a

36 = 100a

Divide both side by 100

a = 36 / 100

a = 0.36 m/s²

Thus, the acceleration is 0.36 m/s²

The distance traveled by the person can be obtain as follow:

v² = u² + 2as

1.5² = 0² + (2 × 0.5 × s)

2.25 = 0 + s

s = 2.25 m

Thus, we can conclude that the distance is 2.25 m

The initial speed of the car can be obtain as follow:

v² = u² + 2as

15² = u² + (2 × 2 × 44)

0 = u² + 176

Collect like terms

u² = 225 - 176

u² = 49

Take the square root of both sides

u = √49

u = 7 m/s

Thus, the initial speed of the car is 7 m/s

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