The diagram shows the results when two parents are
crossed. The letters represent alleles for a trait that is
controlled by three different genes.
Which best describes this inheritance pattern?
multiple allele because a trait is controlled by three different genes
polygenic because the offspring have alleles from both parents
multiple allele because the offspring have alleles from
both parents
polygenic because a trait is controlled by three different
genes

Answer:

Frequency

Wavelength and frequency are both properties of waves and are related to one another.

Answer:

13

Explanation:

13.0120481928 it is the distance

The image height on the detector will change by a factor of 2 if you change from a 50-mm-focal-length lens to a 100-mm-focal-length lens and refocus.

The magnification of a lens is given by the ratio of the image height to the object height. Since the object height remains the same, the change in magnification is solely determined by the change in focal length.

The magnification of a lens is given by the formula:

Magnification = - (image distance / object distance).

Since we are only interested in the ratio of image heights, we can ignore the negative sign.

For the 50-mm lens, the magnification is:

Magnification1 = 50 mm / object distance.

For the 100-mm lens, the magnification is:

Magnification2 = 100 mm / object distance.

Taking the ratio of the two magnifications:

Magnification2 / Magnification1 = (100 mm / object distance) / (50 mm / object distance) = 100 mm / 50 mm = 2.

Therefore, the image height on the detector changes by a factor of 2 when switching from a 50-mm-focal-length lens to a 100-mm-focal-length lens and refocusing.

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Answer:

According to the Junction rule, in a circuit, the total of the currents in a junction is equal to the sum of currents outside the junction. Kirchhoff’s Voltage Law goes by several names as Kirchhoff’s Second Law and Kirchhoff’s Loop Rule. According to the loop rule, the sum of the voltages around the closed loop is equal to null.

Explanation:

Frictional force is reduced in smooth surfaces but is large in rough surfaces.

Force is defined as an agent which causes a change in the motion or state of an object.

Forces are of two types:

Contact forces include frictional force.

Frictional forces refers to the force which acts between two surfaces in contact by opposing the relative motion of one over the other

Frictional force depends on the nature of surfaces in contact where rough surfaces produce greater frictional force than smooth surfaces.

Therefore, frictional force is reduced in smooth surfaces but is large in rough surfaces.

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Answer:

-48

Explanation:

Answer:

6.0

Explanation:

If this is the problem on Khan Academy, I had done this and this was the correct answer.

Answer:

Density is mass per unit volume.

The relationship between density and volume is directly proportional

Answer:

In which direction does the current in circuit A flow?

counterclockwise

Explanation:

The current flowing through the circuit A is \(I = \frac{e}{r_1 + r_2}\).

"Your question is not complete, it seems to be missing the following information",

find the the current flowing through the resistors in circuit A;

The given parameters;

The equivalent resistance of the circuit A in series is calculated as follows;

\(R_e = r_1 + r_2\)

The emf of the battery connected to circuit A

emf = e

The current flowing through the circuit A is calculated as follows;

\(V= IR\\\\I = \frac{V}{R} \\\\I = \frac{e}{R_e} \\\\I = \frac{e}{r_1 + r_2}\)

Thus, the current flowing through the circuit A is \(I = \frac{e}{r_1 + r_2}\).

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Answer:

Maximum pressure = 4450 N/m²

Explanation:

We'll begin by calculating the volume of the block. This can be obtained as follow:

Volume (V) = 5 cm × 3 cm × 2 cm

V = 30 cm³

Next, we shall determine the mass of the block. This can be obtained as follow:

Density = 8.9 g/cm³

Volume = 30 cm³

Mass =?

Density = mass /volume

8.9 = mass / 30

Cross multiply

Mass = 8.9 × 30

Mass = 267 g

Next, we shall covert 267 g to Kg.

1000 g = 1 Kg

Therefore,

267 g = 267 g × 1 Kg / 1000

267 g = 0.267 Kg

Thus, the mass of the block is 0.267 Kg

Next, we shall determine the force.

Force of gravity (g) = 10 N/Kg

Mass (m) = 0.267 Kg

Force (F) =?

F = mg

F = 0.267 × 20

F = 2.67 N

Next, we shall determine the minimum area since we are trying to obtain the maximum pressure. This can be obtained as follow:

Minimum area = 3 cm × 2 cm

Covert each measurement to metre (m) by dividing each measurement by 100

Minimum area = 0.03 m × 0.02 m

Minimum area = 0.0006 m²

Finally, we shall determine the maximum pressure. This can be obtained as follow:

Force (F) = 2.67 N

Minimum area = 0.0006 m²

Maximum pressure =?

Maximum pressure = Force /minimum area

Maximum pressure = 2.67 / 0.0006

Maximum pressure = 4450 N/m²

The breakdown electric field of polyethylene foam alone cannot be used to estimate the highest voltage that can be applied to the wire before it breaks down.

The biggest electrical potential difference that a system can withstand without experiencing harm or failure is known as the maximum voltage. As exceeding the maximum voltage can lead to electrical failure, fire, or even harm, it is crucial in the design and operation of electrical and electronic devices. The design, manufacturing method, and material properties of the device, as well as the environment in which it will be utilised, all influence the maximum voltage. It is crucial to follow the manufacturer's recommendations for maximum voltage and to routinely test and maintain equipment to make sure it is operating within its limitations in order to ensure safe operation.

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Distance traveled by the ray due to its multiple reflections would be 2000 meters or 2 kilometers.

To calculate the extra distance traveled by the ray due to its multiple reflections,

Extra distance = 2 * length * tan θ

Where θ is the angle of incidence and length is the length of the cable.

Assuming a refractive index of 1.5 for the core, and an angle of incidence of 45 degrees, we can estimate the extra distance traveled as,

Extra distance = 2 * 1000 m * tan(45°)

Extra distance = 2000 m

So, in this case, the extra distance traveled by the ray due to its multiple reflections would be 2000 meters or 2 kilometers. However, this is just a rough estimate, and the exact value would depend on the specific parameters of the cable and the angle of incidence.

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Physical effects refer to the changes or alterations that occur in the physical properties of an object or system, as a result of a physical force or interaction.

Physical effects are the modifications or changes that take place in an object's or system's physical characteristics as a result of a physical force or interaction.

These effects can be observed and measured through various physical phenomena, such as temperature, pressure, density, electric fields, and magnetic fields, among others.

Examples of physical effects include the deformation of a material under stress, the heating or cooling of an object when it is exposed to a heat source or cold environment, the change in pressure of a gas when it is compressed or expanded, the flow of electric current through a conductor, and the generation of magnetic fields around a magnet or current-carrying wire.

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Answer:

C. While all societies use natural resources, they do not use them in

the same way

Explanation:

Natural resources are endowments by nature in a particular place. Different regions of the world have either similar or varied types of resources.

Therefore, with cultural influences and climate, these resources are put into different forms of usage.

Answer:

45.11 kmph and 12.530 m/s

Explanation:

Average speed = Total distance travelled / Total time taken

406/9 gives the answer in kilometers

And we convert it to m/s by multiplying it with 1000/3600

Answer:

0.13m/s

Explanation:

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Answer: If Maxwell's wheel were to rotate twice as fast, its kinetic energy would increase by a factor of four. This is because the kinetic energy is proportional to the square of the angular velocity.

Explanation:

I'm assuming that you are referring to a specific laboratory experiment or problem. However, you haven't provided any details about the experiment or the given information. Please provide me with the necessary information to answer your questions.

However, I can provide you with some general information that may help you solve your problem.

To find the angular velocity of the wheel when it is fully unwound, you can use the conservation of energy principle. The initial energy of the system is equal to the final energy of the system. The initial energy is the potential energy stored in the spring, which is given by ½kx², where k is the spring constant and x is the displacement of the spring. The final energy is the rotational kinetic energy of the wheel, which is given by ½ Iω², where I am the moment of inertia of the wheel and ω is the angular velocity. Setting these two energies equal, you can solve for ω.

To compute the downward acceleration of a falling wheel of the same shape and size but made of a different material which is three times as heavy, you need to use the equation for the gravitational force, which is given by F = mg, where m is the mass of the object and g is the acceleration due to gravity. Since the mass of the wheel is three times as heavy, the gravitational force acting on it will also be three times as heavy. Therefore, the downward acceleration will be the same as that of a wheel of normal weight.

If the radius of the axle of Maxwell's wheel is reduced to ½ the measured value, whereas the disk remains the same, the moment of inertia of the wheel will decrease. This is because the moment of inertia is proportional to the square of the radius. Therefore, the downward acceleration will be bigger. The exact value of the acceleration will depend on the new moment of inertia of the wheel.

To find a value a that is accurate to within a few percent, you need to provide me with the necessary information about the experiment or the problem.

The ratio of the moments of inertia of a disk and a hoop of the same radius and mass is ½. This can be derived using the formula for the moment of inertia of a disk (½mr²) and a hoop (mr²) and dividing the moment of inertia of the hoop by the moment of inertia of the disk.

If Maxwell's wheel were to rotate twice as fast, its kinetic energy would increase by a factor of four. This is because the kinetic energy is proportional to the square of the angular velocity.

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The absolute value of the electrical field strength experienced by the electron is approximately 3.1263 × \(10^3\) N/C.

The electrical force experienced by an electron is given by Coulomb's law as:

\(F = kq1q2/r^2\)

where F is the force, k is Coulomb's constant (k ≈ 9 × \(10^9\) N·\(m^2\)/\(C^2\)), q1 and q2 are the charges of the two particles, and r is the distance between the particles.

Since the electron has a negative charge of -1.6 ×\(10^{2} ^-19\) C, and the force is also negative (due to attraction to a positive charge), we can use the absolute value of the force to find the electric field strength as:

|F| = e * |q|,

where e is the electric field strength and |q| is the absolute value of the charge on the electron.

Substituting the given force and charge values, we get:

|5.0021 × \(10^{2} -16\) N| = e * |1.6 × \(10^{2} -19\) C|

Solving for the electric field strength e, we get:

e = |5.0021 × \(10^{2} ^-16\) N| / |1.6 × \(10^{2} -19\) C| = 3.1263 × \(10^3\)N/C

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The total quantity of energy in the universe never changes is the correct statement which describes the law of conservation of energy.

Energy can only change from one form to another; it cannot be created or destroyed. As a result, the universe's overall energy level remains constant. The wax's chemical energy is transformed into light and heat energy when we burn a candle, and the same phenomena occur.

The universe has a fixed amount of energy and matter, which was created in the enigmatic big bang. Even though the actual amount doesn't change, over time this spreads out more and more and becomes less and less useful.

It can be demonstrated that the negative gravitational energy precisely cancels out the positive energy represented by matter in the case of an almost uniformly distributed universe. The universe as a whole therefore has no energy.

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Compared to the emitted radio waves, the radio waves reflected from the vehicle and received by the radar gun have a higher frequency.

Frequency is defined as the number of repetitions of a wave occurring waves in 1 second. Its unit is Hz. Frequency is given by the formula as,

A moving car is targeted by radio waves sent from a radar gun by a police officer standing still.

The radio waves reflected off the vehicle and picked up by the radar gun have a greater frequency than the radio waves that were transmitted.

A stationary police officer directs radio waves emitted by a radar gun at a vehicle moving toward the officer.

Compared to the emitted radio waves, the radio waves reflected from the vehicle and received by the radar gun have a higher frequency.

Hence the higher frequency is the correct answer for blanks.

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Answer:

The total frictional force equals 60 N

Explanation:

We know that F - f = ma where F is the applied force, f is the frictional force, m the mass of the object and a its acceleration.

Now, since the cart moves with constant velocity, its acceleration is zero. So, a = 0.

So F - f = ma

F - f = m(0) = 0

F - f = 0

So, F = f

From the above, we see that the frictional force equals the applied force which is equal to 60 N.

So, f the total frictional force equals 60 N

Answer:

-3.2m

Explanation:

To find the distance of the 25N weight from the pivot, we can use the concept of moments. The moment of a force is the product of the force and the perpendicular distance from the pivot to the line of action of the force.

The total moment about the pivot due to the weights on side A is:

Moment_A = (10N * 4m) + (30N * 2m) = 80Nm

The moment of the 25N weight on side B must be equal and opposite to the total moment of the weights on side A, so we can set up the following equation:

Moment_B = -80Nm

We can solve for the distance of the 25N weight from the pivot by rearranging the equation to solve for x:

x = Moment_B / 25N = -80Nm / 25N = -3.2m

So the distance of the 25N weight from the pivot is -3.2m. This means that the weight is 3.2m to the left of the pivot, since the pivot is taken as the origin for the purpose of calculating moments.

The resonant frequency of an RCL circuit remains the same when a second capacitor is added in parallel to the existing capacitor.

In an RCL (resistor-capacitor-inductor) circuit, the resonant frequency is determined by the values of the capacitance and inductance in the circuit. The resonant frequency is given by the formula f = 1 / (2π√(LC)), where L is the inductance and C is the capacitance.

When a second capacitor is added in parallel to the existing capacitor, the total capacitance of the circuit increases. However, the inductance remains the same. Since the resonant frequency depends on the product of the capacitance and inductance, an increase in capacitance is compensated by a decrease in inductance, keeping the resonant frequency unchanged.

Adding a capacitor in parallel to the existing capacitor effectively increases the total capacitance in the circuit. This increases the reactance of the circuit at the resonant frequency, but it also decreases the inductive reactance. As a result, the change in reactance cancels out, and the resonant frequency remains the same.

Therefore, the resonant frequency of the RCL circuit does not change when a second capacitor is added in parallel to the existing capacitor.

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2269 × 10-³ m can be written in scientific notation as follows: 2.269 × 10⁰.

Scientific notation is a method of writing, or of displaying real numbers as a decimal number between 1 and 10 followed by an integer power of 10.

It is an alternative format of such a decimal number immediately followed by E and an integer.

According to this question, 2269 × 10-³ metres is to be converted to scientific notation. We do this by shifting the decimal place backwards three times to obtain the following;

2.269 × 10⁰

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Answer:

The lever is a movable bar that pivots on a fulcrum attached to a fixed point. The lever operates by applying forces at different distances from the fulcrum, or a pivot. As the lever rotates around the fulcrum, points farther from this pivot move faster than points closer to the pivot.

IF HELPED MARK AS BRAINLIEST

Answer:

smaller one

Explanation:

even though he is moving quicker doesn't mean he will be packing more force in the collision

Answer:

Constante de resorte, k = 66.67 N/m

Explanation:

Dados los siguientes datos;

Fuerza, F = 20 N

Extensión, e = 30 cm a metros = 30/100 = 0.3 m

Para encontrar la constante del resorte;

Matemáticamente, la fuerza ejercida para estirar un resorte viene dada por la fórmula;

Fuerza = constante de resorte * extensión

F = ke

20 = k * 0.3

Constante de resorte, k = 20/0.3

Constante de resorte, k = 66.67 N/m

Answer:

a) given that mass=0.6kg,distance of stretching from equilibrium position x=0.9m from new ton's second law,F=ma where a is acceleration of the body.Therefore,force on the spring -mass syste

Explanation:

hope it helps

Answer:

D

Explanation:

To represent objects, processes, and systems that are too large, too small, or too complex to study directly

The correct option is (d) To represent objects, processes, and systems that are too large, too small, or too complex to study directly.

The 4 types of scientific models -

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Answer:

i. The pressure of due to the water, P, is given according to the following equation;

P = ρ·g·h

Where;

ρ = The density of the water (a constant) = 997 kg/m³

g = The acceleration due to gravity = 9.81 m/s²

h = The height of the water (minimum h = h₁, maximum h = h₂)

The pressure is directly proportional to the water height, and we have;

The pressure, P, will be maximum when the water height, h, is maximum or h = h₂, which is the level DC

ii. The thrust = The force acting on the body = Pressure × Area

The maximum areas exposed to the water are on side AB and DC

However, the pressure at level DC, which is the location of the maximum pressure, is larger than the pressure at level AB, therefore, the maximum thrust will be at the level DC

Explanation: